diff --git a/app/src/main/java/com/sadellie/unitto/data/units/AllUnits.kt b/app/src/main/java/com/sadellie/unitto/data/units/AllUnits.kt
index ddb7e83e..b140e2ac 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/AllUnits.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/AllUnits.kt
@@ -15,6 +15,8 @@ val ALL_UNITS: List<AbstractUnit> by lazy {
             AREA_COLLECTION +
             VOLUME_COLLECTION +
             DATA_COLLECTION +
+            PRESSURE_COLLECTION +
+            ACCELERATION_COLLECTION +
             ENERGY_COLLECTION +
             POWER_COLLECTION +
             ANGLE_COLLECTION +
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/MyUnitIDS.kt b/app/src/main/java/com/sadellie/unitto/data/units/MyUnitIDS.kt
index 8b436af6..8cf0c6e5 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/MyUnitIDS.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/MyUnitIDS.kt
@@ -21,6 +21,18 @@ object MyUnitIDS {
     const val foot = "foot"
     const val inch = "inch"
     const val light_year = "light_year"
+    const val parsec = "parsec"
+    const val kiloparsec = "kiloparsec"
+    const val megaparsec = "megaparsec"
+    const val mercury_equatorial_radius = "mercury_equatorial_radius"
+    const val venus_equatorial_radius = "venus_equatorial_radius"
+    const val earth_equatorial_radius = "earth_equatorial_radius"
+    const val mars_equatorial_radius = "mars_equatorial_radius"
+    const val jupiter_equatorial_radius = "jupiter_equatorial_radius"
+    const val saturn_equatorial_radius = "saturn_equatorial_radius"
+    const val uranus_equatorial_radius = "uranus_equatorial_radius"
+    const val neptune_equatorial_radius = "neptune_equatorial_radius"
+    const val sun_equatorial_radius = "sun_equatorial_radius"
 
     // MASS
     const val electron_mass_rest = "electron_mass_rest"
@@ -33,6 +45,15 @@ object MyUnitIDS {
     const val pound = "pound"
     const val ounce = "ounce"
     const val carat = "carat"
+    const val mercury_mass = "mercury_mass"
+    const val venus_mass = "venus_mass"
+    const val earth_mass = "earth_mass"
+    const val mars_mass = "mars_mass"
+    const val jupiter_mass = "jupiter_mass"
+    const val saturn_mass = "saturn_mass"
+    const val uranus_mass = "uranus_mass"
+    const val neptune_mass = "neptune_mass"
+    const val sun_mass = "sun_mass"
 
     // TEMPERATURE
     const val celsius = "celsius"
@@ -190,6 +211,54 @@ object MyUnitIDS {
     const val petabyte_per_second = "petabyte_per_second"
     const val exabyte_per_second = "exabyte_per_second"
 
+    // PRESSURE
+    const val attopascal = "attopascal"
+    const val femtopascal = "femtopascal"
+    const val picopascal = "picopascal"
+    const val nanopascal = "nanopascal"
+    const val micropascal = "micropascal"
+    const val millipascal = "millipascal"
+    const val centipascal = "centipascal"
+    const val decipascal = "decipascal"
+    const val pascal = "pascal"
+    const val dekapascal = "dekapascal"
+    const val hectopascal = "hectopascal"
+    const val bar = "bar"
+    const val megapascal = "megapascal"
+    const val gigapascal = "gigapascal"
+    const val terapascal = "terapascal"
+    const val petapascal = "petapascal"
+    const val exapascal = "exapascal"
+    const val psi = "psi"
+    const val ksi = "ksi"
+    const val standard_atmosphere = "standard_atmosphere"
+    const val torr = "torr"
+    const val millimeter_of_mercury = "millimeter_of_mercury"
+
+    // ACCELERATION
+    const val attometer_per_square_second = "attometer_per_square_second"
+    const val femtometer_per_square_second = "femtometer_per_square_second"
+    const val picometer_per_square_second = "picometer_per_square_second"
+    const val nanometer_per_square_second = "nanometer_per_square_second"
+    const val micrometer_per_square_second = "micrometer_per_square_second"
+    const val millimeter_per_square_second = "millimeter_per_square_second"
+    const val centimeter_per_square_second = "centimeter_per_square_second"
+    const val decimeter_per_square_second = "decimeter_per_square_second"
+    const val meter_per_square_second = "meter_per_square_second"
+    const val kilometer_per_square_second = "kilometer_per_square_second"
+    const val dekameter_per_square_second = "dekameter_per_square_second"
+    const val hectometer_per_square_second = "hectometer_per_square_second"
+    const val gal = "gal"
+    const val mercury_surface_gravity = "mercury_surface_gravity"
+    const val venus_surface_gravity = "venus_surface_gravity"
+    const val earth_surface_gravity = "earth_surface_gravity"
+    const val mars_surface_gravity = "mars_surface_gravity"
+    const val jupiter_surface_gravity = "jupiter_surface_gravity"
+    const val saturn_surface_gravity = "saturn_surface_gravity"
+    const val uranus_surface_gravity = "uranus_surface_gravity"
+    const val neptune_surface_gravity = "neptune_surface_gravity"
+    const val sun_surface_gravity = "sun_surface_gravity"
+
     // CURRENCY
     const val currency_1inch = "1inch"
     const val currency_ada = "ada"
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/UnitGroup.kt b/app/src/main/java/com/sadellie/unitto/data/units/UnitGroup.kt
index 66dcbed1..24739d66 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/UnitGroup.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/UnitGroup.kt
@@ -20,6 +20,8 @@ enum class UnitGroup(val res: Int, val canNegate: Boolean = false) {
     AREA(res = R.string.area),
     VOLUME(res = R.string.volume),
     DATA(res = R.string.data),
+    PRESSURE(res = R.string.pressure),
+    ACCELERATION(res = R.string.acceleration),
     ENERGY(res = R.string.energy),
     POWER(res = R.string.power),
     ANGLE(res = R.string.angle),
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/collections/Acceleration.kt b/app/src/main/java/com/sadellie/unitto/data/units/collections/Acceleration.kt
new file mode 100644
index 00000000..4d8add94
--- /dev/null
+++ b/app/src/main/java/com/sadellie/unitto/data/units/collections/Acceleration.kt
@@ -0,0 +1,35 @@
+package com.sadellie.unitto.data.units.collections
+
+import com.sadellie.unitto.R
+import com.sadellie.unitto.data.units.AbstractUnit
+import com.sadellie.unitto.data.units.MyUnit
+import com.sadellie.unitto.data.units.MyUnitIDS
+import com.sadellie.unitto.data.units.UnitGroup
+import java.math.BigDecimal
+
+val ACCELERATION_COLLECTION: List<AbstractUnit> by lazy {
+    listOf(
+        MyUnit(MyUnitIDS.attometer_per_square_second,  BigDecimal.valueOf(1),           UnitGroup.ACCELERATION, R.string.attometer_per_square_second,  R.string.attometer_per_square_second_short),
+        MyUnit(MyUnitIDS.femtometer_per_square_second, BigDecimal.valueOf(1E+3),        UnitGroup.ACCELERATION, R.string.femtometer_per_square_second, R.string.femtometer_per_square_second_short),
+        MyUnit(MyUnitIDS.picometer_per_square_second,  BigDecimal.valueOf(1E+6),        UnitGroup.ACCELERATION, R.string.picometer_per_square_second,  R.string.picometer_per_square_second_short),
+        MyUnit(MyUnitIDS.nanometer_per_square_second,  BigDecimal.valueOf(1E+9),        UnitGroup.ACCELERATION, R.string.nanometer_per_square_second,  R.string.nanometer_per_square_second_short),
+        MyUnit(MyUnitIDS.micrometer_per_square_second, BigDecimal.valueOf(1E+12),       UnitGroup.ACCELERATION, R.string.micrometer_per_square_second, R.string.micrometer_per_square_second_short),
+        MyUnit(MyUnitIDS.millimeter_per_square_second, BigDecimal.valueOf(1E+15),       UnitGroup.ACCELERATION, R.string.millimeter_per_square_second, R.string.millimeter_per_square_second_short),
+        MyUnit(MyUnitIDS.centimeter_per_square_second, BigDecimal.valueOf(1E+16),       UnitGroup.ACCELERATION, R.string.centimeter_per_square_second, R.string.centimeter_per_square_second_short),
+        MyUnit(MyUnitIDS.decimeter_per_square_second,  BigDecimal.valueOf(1E+17),       UnitGroup.ACCELERATION, R.string.decimeter_per_square_second,  R.string.decimeter_per_square_second_short),
+        MyUnit(MyUnitIDS.meter_per_square_second,      BigDecimal.valueOf(1E+18),       UnitGroup.ACCELERATION, R.string.meter_per_square_second,      R.string.meter_per_square_second_short),
+        MyUnit(MyUnitIDS.kilometer_per_square_second,  BigDecimal.valueOf(1E+21),       UnitGroup.ACCELERATION, R.string.kilometer_per_square_second,  R.string.kilometer_per_square_second_short),
+        MyUnit(MyUnitIDS.dekameter_per_square_second,  BigDecimal.valueOf(1E+19),       UnitGroup.ACCELERATION, R.string.dekameter_per_square_second,  R.string.dekameter_per_square_second_short),
+        MyUnit(MyUnitIDS.hectometer_per_square_second, BigDecimal.valueOf(1E+20),       UnitGroup.ACCELERATION, R.string.hectometer_per_square_second, R.string.hectometer_per_square_second_short),
+        MyUnit(MyUnitIDS.gal,                          BigDecimal.valueOf(1E+16),       UnitGroup.ACCELERATION, R.string.gal,                          R.string.gal_short),
+        MyUnit(MyUnitIDS.mercury_surface_gravity,      BigDecimal.valueOf(3.7E+18),     UnitGroup.ACCELERATION, R.string.mercury_surface_gravity,      R.string.mercury_surface_gravity_short),
+        MyUnit(MyUnitIDS.venus_surface_gravity,        BigDecimal.valueOf(8.87E+18),    UnitGroup.ACCELERATION, R.string.venus_surface_gravity,        R.string.venus_surface_gravity_short),
+        MyUnit(MyUnitIDS.earth_surface_gravity,        BigDecimal.valueOf(9.80655E+18), UnitGroup.ACCELERATION, R.string.earth_surface_gravity,        R.string.earth_surface_gravity_short),
+        MyUnit(MyUnitIDS.mars_surface_gravity,         BigDecimal.valueOf(3.71E+18),    UnitGroup.ACCELERATION, R.string.mars_surface_gravity,         R.string.mars_surface_gravity_short),
+        MyUnit(MyUnitIDS.jupiter_surface_gravity,      BigDecimal.valueOf(2.479E+19),   UnitGroup.ACCELERATION, R.string.jupiter_surface_gravity,      R.string.jupiter_surface_gravity_short),
+        MyUnit(MyUnitIDS.saturn_surface_gravity,       BigDecimal.valueOf(1.044E+19),   UnitGroup.ACCELERATION, R.string.saturn_surface_gravity,       R.string.saturn_surface_gravity_short),
+        MyUnit(MyUnitIDS.uranus_surface_gravity,       BigDecimal.valueOf(8.87E+18),    UnitGroup.ACCELERATION, R.string.uranus_surface_gravity,       R.string.uranus_surface_gravity_short),
+        MyUnit(MyUnitIDS.neptune_surface_gravity,      BigDecimal.valueOf(1.115E+19),   UnitGroup.ACCELERATION, R.string.neptune_surface_gravity,      R.string.neptune_surface_gravity_short),
+        MyUnit(MyUnitIDS.sun_surface_gravity,          BigDecimal.valueOf(2.74E+20),    UnitGroup.ACCELERATION, R.string.sun_surface_gravity,          R.string.sun_surface_gravity_short),
+    )
+}
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/collections/Area.kt b/app/src/main/java/com/sadellie/unitto/data/units/collections/Area.kt
index 139a42be..59048bf0 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/collections/Area.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/collections/Area.kt
@@ -15,7 +15,7 @@ val AREA_COLLECTION: List<AbstractUnit> by lazy {
         MyUnit(MyUnitIDS.square_mile,               BigDecimal.valueOf(3.893277806E+34),        UnitGroup.AREA, R.string.square_mile,               R.string.square_mile_short),
         MyUnit(MyUnitIDS.square_yard,               BigDecimal.valueOf(1.256869126E+28),        UnitGroup.AREA, R.string.square_yard,               R.string.square_yard_short),
         MyUnit(MyUnitIDS.square_inch,               BigDecimal.valueOf(9.698064247E+24),        UnitGroup.AREA, R.string.square_inch,               R.string.square_inch_short),
-        MyUnit(MyUnitIDS.square_micrometer,         BigDecimal.valueOf(15032029647492000.0),    UnitGroup.AREA, R.string.square_micrometer,         R.string.square_micrometer_short),
+        MyUnit(MyUnitIDS.square_micrometer,         BigDecimal.valueOf(1.503202964E+16),    UnitGroup.AREA, R.string.square_micrometer,         R.string.square_micrometer_short),
         MyUnit(MyUnitIDS.square_millimeter,         BigDecimal.valueOf(1.503202964E+22),        UnitGroup.AREA, R.string.square_millimeter,         R.string.square_millimeter_short),
         MyUnit(MyUnitIDS.square_centimeter,         BigDecimal.valueOf(1.503202964E+24),        UnitGroup.AREA, R.string.square_centimeter,         R.string.square_centimeter_short),
         MyUnit(MyUnitIDS.square_decimeter,          BigDecimal.valueOf(1.503202964E+26),        UnitGroup.AREA, R.string.square_decimeter,          R.string.square_decimeter_short),
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/collections/Energy.kt b/app/src/main/java/com/sadellie/unitto/data/units/collections/Energy.kt
index 46895e11..0deefbdc 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/collections/Energy.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/collections/Energy.kt
@@ -9,18 +9,18 @@ import java.math.BigDecimal
 
 val ENERGY_COLLECTION: List<AbstractUnit> by lazy {
     listOf(
-        MyUnit(MyUnitIDS.electron_volt,             BigDecimal.valueOf(1),                      UnitGroup.ENERGY,   R.string.electron_volt,             R.string.electron_volt_short),
-        MyUnit(MyUnitIDS.attojoule,                 BigDecimal.valueOf(6.241506363094),         UnitGroup.ENERGY,   R.string.attojoule,                 R.string.attojoule_short),
-        MyUnit(MyUnitIDS.joule,                     BigDecimal.valueOf(6_241_506_363_094_000_000),    UnitGroup.ENERGY,   R.string.joule,                     R.string.joule_short),
-        MyUnit(MyUnitIDS.kilojoule,                 BigDecimal.valueOf(6.241506358E+21),        UnitGroup.ENERGY,   R.string.kilojoule,                 R.string.kilojoule_short),
-        MyUnit(MyUnitIDS.megajoule,                 BigDecimal.valueOf(6.241506358E+24),        UnitGroup.ENERGY,   R.string.megajoule,                 R.string.megajoule_short),
-        MyUnit(MyUnitIDS.gigajoule,                 BigDecimal.valueOf(6.241506358E+27),        UnitGroup.ENERGY,   R.string.gigajoule,                 R.string.gigajoule_short),
-        MyUnit(MyUnitIDS.energy_ton,                BigDecimal.valueOf(2.611446262E+28),        UnitGroup.ENERGY,   R.string.energy_ton,                R.string.energy_ton_short),
-        MyUnit(MyUnitIDS.kiloton,                   BigDecimal.valueOf(2.611446262E+31),        UnitGroup.ENERGY,   R.string.kiloton,                   R.string.kiloton_short),
-        MyUnit(MyUnitIDS.megaton,                   BigDecimal.valueOf(2.611446262E+34),        UnitGroup.ENERGY,   R.string.megaton,                   R.string.megaton_short),
-        MyUnit(MyUnitIDS.gigaton,                   BigDecimal.valueOf(2.611446262E+37),        UnitGroup.ENERGY,   R.string.gigaton,                   R.string.gigaton_short),
-        MyUnit(MyUnitIDS.energy_horse_power_metric, BigDecimal.valueOf(1.652623245E+25),        UnitGroup.ENERGY,   R.string.energy_horse_power_metric, R.string.energy_horse_power_metric_short),
-        MyUnit(MyUnitIDS.calorie_th,                BigDecimal.valueOf(26_114_462_623_185_002_000.0), UnitGroup.ENERGY,   R.string.calorie_th,                R.string.calorie_th_short),
-        MyUnit(MyUnitIDS.kilocalorie_th,            BigDecimal.valueOf(2.611446262E+22),        UnitGroup.ENERGY,   R.string.kilocalorie_th,            R.string.kilocalorie_th_short),
+        MyUnit(MyUnitIDS.electron_volt,             BigDecimal.valueOf(0.160217733),   UnitGroup.ENERGY,   R.string.electron_volt,             R.string.electron_volt_short),
+        MyUnit(MyUnitIDS.attojoule,                 BigDecimal.valueOf(1),             UnitGroup.ENERGY,   R.string.attojoule,                 R.string.attojoule_short),
+        MyUnit(MyUnitIDS.joule,                     BigDecimal.valueOf(1E+18),         UnitGroup.ENERGY,   R.string.joule,                     R.string.joule_short),
+        MyUnit(MyUnitIDS.kilojoule,                 BigDecimal.valueOf(1E+21),         UnitGroup.ENERGY,   R.string.kilojoule,                 R.string.kilojoule_short),
+        MyUnit(MyUnitIDS.megajoule,                 BigDecimal.valueOf(1E+24),         UnitGroup.ENERGY,   R.string.megajoule,                 R.string.megajoule_short),
+        MyUnit(MyUnitIDS.gigajoule,                 BigDecimal.valueOf(1E+27),         UnitGroup.ENERGY,   R.string.gigajoule,                 R.string.gigajoule_short),
+        MyUnit(MyUnitIDS.energy_ton,                BigDecimal.valueOf(4.184E+27),     UnitGroup.ENERGY,   R.string.energy_ton,                R.string.energy_ton_short),
+        MyUnit(MyUnitIDS.kiloton,                   BigDecimal.valueOf(4.184E+30),     UnitGroup.ENERGY,   R.string.kiloton,                   R.string.kiloton_short),
+        MyUnit(MyUnitIDS.megaton,                   BigDecimal.valueOf(4.184E+33),     UnitGroup.ENERGY,   R.string.megaton,                   R.string.megaton_short),
+        MyUnit(MyUnitIDS.gigaton,                   BigDecimal.valueOf(4.184E+36),     UnitGroup.ENERGY,   R.string.gigaton,                   R.string.gigaton_short),
+        MyUnit(MyUnitIDS.energy_horse_power_metric, BigDecimal.valueOf(2.6477955E+24), UnitGroup.ENERGY,   R.string.energy_horse_power_metric, R.string.energy_horse_power_metric_short),
+        MyUnit(MyUnitIDS.calorie_th,                BigDecimal.valueOf(4184E+15),      UnitGroup.ENERGY,   R.string.calorie_th,                R.string.calorie_th_short),
+        MyUnit(MyUnitIDS.kilocalorie_th,            BigDecimal.valueOf(4184E+18),      UnitGroup.ENERGY,   R.string.kilocalorie_th,            R.string.kilocalorie_th_short),
     )
 }
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/collections/Length.kt b/app/src/main/java/com/sadellie/unitto/data/units/collections/Length.kt
index a8b817d5..5510ac1e 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/collections/Length.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/collections/Length.kt
@@ -9,18 +9,30 @@ import java.math.BigDecimal
 
 val LENGTH_COLLECTION: List<AbstractUnit> by lazy {
     listOf(
-        MyUnit(MyUnitIDS.attometer,  BigDecimal.valueOf(1.0),                               UnitGroup.LENGTH,   R.string.attometer,     R.string.attometer_short),
-        MyUnit(MyUnitIDS.nanometer,  BigDecimal.valueOf(1.0E+9),                            UnitGroup.LENGTH,   R.string.nanometer,     R.string.nanometer_short),
-        MyUnit(MyUnitIDS.micrometer, BigDecimal.valueOf(1.0E+12),                           UnitGroup.LENGTH,   R.string.micrometer,    R.string.micrometer_short),
-        MyUnit(MyUnitIDS.millimeter, BigDecimal.valueOf(1.0E+15),                           UnitGroup.LENGTH,   R.string.millimeter,    R.string.millimeter_short),
-        MyUnit(MyUnitIDS.centimeter, BigDecimal.valueOf(1.0E+16),                           UnitGroup.LENGTH,   R.string.centimeter,    R.string.centimeter_short),
-        MyUnit(MyUnitIDS.decimeter,  BigDecimal.valueOf(1.0E+17),                           UnitGroup.LENGTH,   R.string.decimeter,     R.string.decimeter_short),
-        MyUnit(MyUnitIDS.meter,      BigDecimal.valueOf(1.0E+18),                           UnitGroup.LENGTH,   R.string.meter,         R.string.meter_short),
-        MyUnit(MyUnitIDS.kilometer,  BigDecimal.valueOf(1.0E+21),                           UnitGroup.LENGTH,   R.string.kilometer,     R.string.kilometer_short),
-        MyUnit(MyUnitIDS.inch,       BigDecimal.valueOf(25_400_000_000_000_308),            UnitGroup.LENGTH,   R.string.inch,          R.string.inch_short),
-        MyUnit(MyUnitIDS.foot,       BigDecimal.valueOf(304_800_000_000_002_200),           UnitGroup.LENGTH,   R.string.foot,          R.string.foot_short),
-        MyUnit(MyUnitIDS.yard,       BigDecimal.valueOf(914_400_000_000_006_400),           UnitGroup.LENGTH,   R.string.yard,          R.string.yard_short),
-        MyUnit(MyUnitIDS.mile,       BigDecimal.valueOf(1_609_344_000_000_010_500_000.0),   UnitGroup.LENGTH,   R.string.mile,          R.string.mile_short),
-        MyUnit(MyUnitIDS.light_year, BigDecimal.valueOf(9.460730472E+33),                   UnitGroup.LENGTH,   R.string.light_year,    R.string.light_year_short),
+        MyUnit(MyUnitIDS.attometer,                 BigDecimal.valueOf(1.0),                             UnitGroup.LENGTH, R.string.attometer,                 R.string.attometer_short),
+        MyUnit(MyUnitIDS.nanometer,                 BigDecimal.valueOf(1.0E+9),                          UnitGroup.LENGTH, R.string.nanometer,                 R.string.nanometer_short),
+        MyUnit(MyUnitIDS.micrometer,                BigDecimal.valueOf(1.0E+12),                         UnitGroup.LENGTH, R.string.micrometer,                R.string.micrometer_short),
+        MyUnit(MyUnitIDS.millimeter,                BigDecimal.valueOf(1.0E+15),                         UnitGroup.LENGTH, R.string.millimeter,                R.string.millimeter_short),
+        MyUnit(MyUnitIDS.centimeter,                BigDecimal.valueOf(1.0E+16),                         UnitGroup.LENGTH, R.string.centimeter,                R.string.centimeter_short),
+        MyUnit(MyUnitIDS.decimeter,                 BigDecimal.valueOf(1.0E+17),                         UnitGroup.LENGTH, R.string.decimeter,                 R.string.decimeter_short),
+        MyUnit(MyUnitIDS.meter,                     BigDecimal.valueOf(1.0E+18),                         UnitGroup.LENGTH, R.string.meter,                     R.string.meter_short),
+        MyUnit(MyUnitIDS.kilometer,                 BigDecimal.valueOf(1.0E+21),                         UnitGroup.LENGTH, R.string.kilometer,                 R.string.kilometer_short),
+        MyUnit(MyUnitIDS.inch,                      BigDecimal.valueOf(25_400_000_000_000_000),          UnitGroup.LENGTH, R.string.inch,                      R.string.inch_short),
+        MyUnit(MyUnitIDS.foot,                      BigDecimal.valueOf(304_800_000_000_002_200),         UnitGroup.LENGTH, R.string.foot,                      R.string.foot_short),
+        MyUnit(MyUnitIDS.yard,                      BigDecimal.valueOf(914_400_000_000_006_400),         UnitGroup.LENGTH, R.string.yard,                      R.string.yard_short),
+        MyUnit(MyUnitIDS.mile,                      BigDecimal.valueOf(1_609_344_000_000_010_500_000.0), UnitGroup.LENGTH, R.string.mile,                      R.string.mile_short),
+        MyUnit(MyUnitIDS.light_year,                BigDecimal.valueOf(9.460730472E+33),                 UnitGroup.LENGTH, R.string.light_year,                R.string.light_year_short),
+        MyUnit(MyUnitIDS.parsec,                    BigDecimal.valueOf(3.08567758149136E+34),            UnitGroup.LENGTH, R.string.parsec,                    R.string.parsec_short),
+        MyUnit(MyUnitIDS.kiloparsec,                BigDecimal.valueOf(3.08567758149136E+37),            UnitGroup.LENGTH, R.string.kiloparsec,                R.string.kiloparsec_short),
+        MyUnit(MyUnitIDS.megaparsec,                BigDecimal.valueOf(3.08567758149136E+40),            UnitGroup.LENGTH, R.string.megaparsec,                R.string.megaparsec_short),
+        MyUnit(MyUnitIDS.mercury_equatorial_radius, BigDecimal.valueOf(2.4397E+24),                      UnitGroup.LENGTH, R.string.mercury_equatorial_radius, R.string.mercury_equatorial_radius_short),
+        MyUnit(MyUnitIDS.venus_equatorial_radius,   BigDecimal.valueOf(6.0518E+24),                      UnitGroup.LENGTH, R.string.venus_equatorial_radius,   R.string.venus_equatorial_radius_short),
+        MyUnit(MyUnitIDS.earth_equatorial_radius,   BigDecimal.valueOf(6.371E+24),                       UnitGroup.LENGTH, R.string.earth_equatorial_radius,   R.string.earth_equatorial_radius_short),
+        MyUnit(MyUnitIDS.mars_equatorial_radius,    BigDecimal.valueOf(3.3895E+24),                      UnitGroup.LENGTH, R.string.mars_equatorial_radius,    R.string.mars_equatorial_radius_short),
+        MyUnit(MyUnitIDS.jupiter_equatorial_radius, BigDecimal.valueOf(6.9911E+25),                      UnitGroup.LENGTH, R.string.jupiter_equatorial_radius, R.string.jupiter_equatorial_radius_short),
+        MyUnit(MyUnitIDS.saturn_equatorial_radius,  BigDecimal.valueOf(5.8232E+25),                      UnitGroup.LENGTH, R.string.saturn_equatorial_radius,  R.string.saturn_equatorial_radius_short),
+        MyUnit(MyUnitIDS.uranus_equatorial_radius,  BigDecimal.valueOf(2.5362E+25),                      UnitGroup.LENGTH, R.string.uranus_equatorial_radius,  R.string.uranus_equatorial_radius_short),
+        MyUnit(MyUnitIDS.neptune_equatorial_radius, BigDecimal.valueOf(2.4622E+25),                      UnitGroup.LENGTH, R.string.neptune_equatorial_radius, R.string.neptune_equatorial_radius_short),
+        MyUnit(MyUnitIDS.sun_equatorial_radius,     BigDecimal.valueOf(6.95508E+26),                     UnitGroup.LENGTH, R.string.sun_equatorial_radius,     R.string.sun_equatorial_radius_short),
     )
 }
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/collections/Mass.kt b/app/src/main/java/com/sadellie/unitto/data/units/collections/Mass.kt
index eb6c18d5..6c2daad5 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/collections/Mass.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/collections/Mass.kt
@@ -9,15 +9,24 @@ import java.math.BigDecimal
 
 val MASS_COLLECTION: List<AbstractUnit> by lazy {
     listOf(
-        MyUnit(MyUnitIDS.electron_mass_rest,    BigDecimal.valueOf(1),                      UnitGroup.MASS, R.string.electron_mass_rest,     R.string.electron_mass_rest_short),
-        MyUnit(MyUnitIDS.atomic_mass_unit,      BigDecimal.valueOf(1_822.888530062548),     UnitGroup.MASS, R.string.atomic_mass_unit,  R.string.atomic_mass_unit_short),
-        MyUnit(MyUnitIDS.milligram,             BigDecimal.valueOf(1.0977683828808E+24),    UnitGroup.MASS, R.string.milligram,         R.string.milligram_short),
-        MyUnit(MyUnitIDS.gram,                  BigDecimal.valueOf(1.0977683828808E+27),    UnitGroup.MASS, R.string.gram,              R.string.gram_short),
-        MyUnit(MyUnitIDS.kilogram,              BigDecimal.valueOf(1.0977683828808E+30),    UnitGroup.MASS, R.string.kilogram,          R.string.kilogram_short),
-        MyUnit(MyUnitIDS.metric_ton,            BigDecimal.valueOf(1.0977683828808E+33),    UnitGroup.MASS, R.string.metric_ton,        R.string.metric_ton_short),
-        MyUnit(MyUnitIDS.imperial_ton,          BigDecimal.valueOf(1.1153841720044124E+33), UnitGroup.MASS, R.string.imperial_ton,      R.string.imperial_ton_short),
-        MyUnit(MyUnitIDS.ounce,                 BigDecimal.valueOf(3.1121210156373456E+28), UnitGroup.MASS, R.string.ounce,             R.string.ounce_short),
-        MyUnit(MyUnitIDS.carat,                 BigDecimal.valueOf(2.1955367657615996E+26), UnitGroup.MASS, R.string.carat,             R.string.carat_short),
-        MyUnit(MyUnitIDS.pound,                 BigDecimal.valueOf(4.979393625019642E+29),  UnitGroup.MASS, R.string.pound,             R.string.pound_short),
+        MyUnit(MyUnitIDS.electron_mass_rest, BigDecimal.valueOf(9.1093897E-28), UnitGroup.MASS, R.string.electron_mass_rest, R.string.electron_mass_rest_short),
+        MyUnit(MyUnitIDS.atomic_mass_unit,   BigDecimal.valueOf(1.6605402E-24), UnitGroup.MASS, R.string.atomic_mass_unit,   R.string.atomic_mass_unit_short),
+        MyUnit(MyUnitIDS.milligram,          BigDecimal.valueOf(1E-3),          UnitGroup.MASS, R.string.milligram,          R.string.milligram_short),
+        MyUnit(MyUnitIDS.gram,               BigDecimal.valueOf(1),             UnitGroup.MASS, R.string.gram,               R.string.gram_short),
+        MyUnit(MyUnitIDS.kilogram,           BigDecimal.valueOf(1E+3),          UnitGroup.MASS, R.string.kilogram,           R.string.kilogram_short),
+        MyUnit(MyUnitIDS.metric_ton,         BigDecimal.valueOf(1E+6),          UnitGroup.MASS, R.string.metric_ton,         R.string.metric_ton_short),
+        MyUnit(MyUnitIDS.imperial_ton,       BigDecimal.valueOf(1016046.9088),  UnitGroup.MASS, R.string.imperial_ton,       R.string.imperial_ton_short),
+        MyUnit(MyUnitIDS.ounce,              BigDecimal.valueOf(28.349523125),  UnitGroup.MASS, R.string.ounce,              R.string.ounce_short),
+        MyUnit(MyUnitIDS.carat,              BigDecimal.valueOf(0.2),           UnitGroup.MASS, R.string.carat,              R.string.carat_short),
+        MyUnit(MyUnitIDS.pound,              BigDecimal.valueOf(453.59237),     UnitGroup.MASS, R.string.pound,              R.string.pound_short),
+        MyUnit(MyUnitIDS.mercury_mass,       BigDecimal.valueOf(3.30104E+26),   UnitGroup.MASS, R.string.mercury_mass,       R.string.mercury_mass_short),
+        MyUnit(MyUnitIDS.venus_mass,         BigDecimal.valueOf(4.86732E+27),   UnitGroup.MASS, R.string.venus_mass,         R.string.venus_mass_short),
+        MyUnit(MyUnitIDS.earth_mass,         BigDecimal.valueOf(5.97219E+27),   UnitGroup.MASS, R.string.earth_mass,         R.string.earth_mass_short),
+        MyUnit(MyUnitIDS.mars_mass,          BigDecimal.valueOf(6.41693E+26),   UnitGroup.MASS, R.string.mars_mass,          R.string.mars_mass_short),
+        MyUnit(MyUnitIDS.jupiter_mass,       BigDecimal.valueOf(1.89813E+30),   UnitGroup.MASS, R.string.jupiter_mass,       R.string.jupiter_mass_short),
+        MyUnit(MyUnitIDS.saturn_mass,        BigDecimal.valueOf(5.68319E+29),   UnitGroup.MASS, R.string.saturn_mass,        R.string.saturn_mass_short),
+        MyUnit(MyUnitIDS.uranus_mass,        BigDecimal.valueOf(8.68103E+28),   UnitGroup.MASS, R.string.uranus_mass,        R.string.uranus_mass_short),
+        MyUnit(MyUnitIDS.neptune_mass,       BigDecimal.valueOf(1.0241E+29),    UnitGroup.MASS, R.string.neptune_mass,       R.string.neptune_mass_short),
+        MyUnit(MyUnitIDS.sun_mass,           BigDecimal.valueOf(1.9891E+33),    UnitGroup.MASS, R.string.sun_mass,           R.string.sun_mass_short),
     )
 }
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/collections/Pressure.kt b/app/src/main/java/com/sadellie/unitto/data/units/collections/Pressure.kt
new file mode 100644
index 00000000..2bb60776
--- /dev/null
+++ b/app/src/main/java/com/sadellie/unitto/data/units/collections/Pressure.kt
@@ -0,0 +1,35 @@
+package com.sadellie.unitto.data.units.collections
+
+import com.sadellie.unitto.R
+import com.sadellie.unitto.data.units.AbstractUnit
+import com.sadellie.unitto.data.units.MyUnit
+import com.sadellie.unitto.data.units.MyUnitIDS
+import com.sadellie.unitto.data.units.UnitGroup
+import java.math.BigDecimal
+
+val PRESSURE_COLLECTION: List<AbstractUnit> by lazy {
+    listOf(
+        MyUnit(MyUnitIDS.attopascal,            BigDecimal.valueOf(1),                      UnitGroup.PRESSURE, R.string.attopascal,            R.string.attopascal_short),
+        MyUnit(MyUnitIDS.femtopascal,           BigDecimal.valueOf(1E+3),                   UnitGroup.PRESSURE, R.string.femtopascal,           R.string.femtopascal_short),
+        MyUnit(MyUnitIDS.picopascal,            BigDecimal.valueOf(1E+6),                   UnitGroup.PRESSURE, R.string.picopascal,            R.string.picopascal_short),
+        MyUnit(MyUnitIDS.nanopascal,            BigDecimal.valueOf(1E+9),                   UnitGroup.PRESSURE, R.string.nanopascal,            R.string.nanopascal_short),
+        MyUnit(MyUnitIDS.micropascal,           BigDecimal.valueOf(1E+12),                  UnitGroup.PRESSURE, R.string.micropascal,           R.string.micropascal_short),
+        MyUnit(MyUnitIDS.millipascal,           BigDecimal.valueOf(1E+15),                  UnitGroup.PRESSURE, R.string.millipascal,           R.string.millipascal_short),
+        MyUnit(MyUnitIDS.centipascal,           BigDecimal.valueOf(1E+16),                  UnitGroup.PRESSURE, R.string.centipascal,           R.string.centipascal_short),
+        MyUnit(MyUnitIDS.decipascal,            BigDecimal.valueOf(1E+17),                  UnitGroup.PRESSURE, R.string.decipascal,            R.string.decipascal_short),
+        MyUnit(MyUnitIDS.pascal,                BigDecimal.valueOf(1E+18),                  UnitGroup.PRESSURE, R.string.pascal,                R.string.pascal_short),
+        MyUnit(MyUnitIDS.dekapascal,            BigDecimal.valueOf(1E+19),                  UnitGroup.PRESSURE, R.string.dekapascal,            R.string.dekapascal_short),
+        MyUnit(MyUnitIDS.hectopascal,           BigDecimal.valueOf(1E+20),                  UnitGroup.PRESSURE, R.string.hectopascal,           R.string.hectopascal_short),
+        MyUnit(MyUnitIDS.bar,                   BigDecimal.valueOf(1E+23),                  UnitGroup.PRESSURE, R.string.bar,                   R.string.bar_short),
+        MyUnit(MyUnitIDS.megapascal,            BigDecimal.valueOf(1E+24),                  UnitGroup.PRESSURE, R.string.megapascal,            R.string.megapascal_short),
+        MyUnit(MyUnitIDS.gigapascal,            BigDecimal.valueOf(1E+27),                  UnitGroup.PRESSURE, R.string.gigapascal,            R.string.gigapascal_short),
+        MyUnit(MyUnitIDS.terapascal,            BigDecimal.valueOf(1E+30),                  UnitGroup.PRESSURE, R.string.terapascal,            R.string.terapascal_short),
+        MyUnit(MyUnitIDS.petapascal,            BigDecimal.valueOf(1E+33),                  UnitGroup.PRESSURE, R.string.petapascal,            R.string.petapascal_short),
+        MyUnit(MyUnitIDS.exapascal,             BigDecimal.valueOf(1E+36),                  UnitGroup.PRESSURE, R.string.exapascal,             R.string.exapascal_short),
+        MyUnit(MyUnitIDS.psi,                   BigDecimal.valueOf(6.8947572931783E+21),    UnitGroup.PRESSURE, R.string.psi,                   R.string.psi_short),
+        MyUnit(MyUnitIDS.ksi,                   BigDecimal.valueOf(6.8947572931783E+24),    UnitGroup.PRESSURE, R.string.ksi,                   R.string.ksi_short),
+        MyUnit(MyUnitIDS.standard_atmosphere,   BigDecimal.valueOf(101.325E+21),            UnitGroup.PRESSURE, R.string.standard_atmosphere,   R.string.standard_atmosphere_short),
+        MyUnit(MyUnitIDS.torr,                  BigDecimal.valueOf(1.3332236842108281E+20), UnitGroup.PRESSURE, R.string.torr,                  R.string.torr_short),
+        MyUnit(MyUnitIDS.millimeter_of_mercury, BigDecimal.valueOf(1.3332236842108281E+20), UnitGroup.PRESSURE, R.string.millimeter_of_mercury, R.string.millimeter_of_mercury_short),
+    )
+}
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/collections/Speed.kt b/app/src/main/java/com/sadellie/unitto/data/units/collections/Speed.kt
index 903a4a84..01fff370 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/collections/Speed.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/collections/Speed.kt
@@ -21,7 +21,7 @@ val SPEED_COLLECTION: List<AbstractUnit> by lazy {
         MyUnit(MyUnitIDS.kilometer_per_hour,            BigDecimal.valueOf(1_000_000),              UnitGroup.SPEED,    R.string.kilometer_per_hour,            R.string.kilometer_per_hour_short),
         MyUnit(MyUnitIDS.kilometer_per_minute,          BigDecimal.valueOf(60_000_000),             UnitGroup.SPEED,    R.string.kilometer_per_minute,          R.string.kilometer_per_minute_short),
         MyUnit(MyUnitIDS.kilometer_per_second,          BigDecimal.valueOf(3_600_000_000),          UnitGroup.SPEED,    R.string.kilometer_per_second,          R.string.kilometer_per_second_short),
-        MyUnit(MyUnitIDS.foot_per_hour,                 BigDecimal.valueOf(304),                    UnitGroup.SPEED,    R.string.foot_per_hour,                 R.string.foot_per_hour_short),
+        MyUnit(MyUnitIDS.foot_per_hour,                 BigDecimal.valueOf(304.8),                  UnitGroup.SPEED,    R.string.foot_per_hour,                 R.string.foot_per_hour_short),
         MyUnit(MyUnitIDS.foot_per_minute,               BigDecimal.valueOf(18_288),                 UnitGroup.SPEED,    R.string.foot_per_minute,               R.string.foot_per_minute_short),
         MyUnit(MyUnitIDS.foot_per_second,               BigDecimal.valueOf(1_097_280),              UnitGroup.SPEED,    R.string.foot_per_second,               R.string.foot_per_second_short),
         MyUnit(MyUnitIDS.yard_per_hour,                 BigDecimal.valueOf(914.4),                  UnitGroup.SPEED,    R.string.yard_per_hour,                 R.string.yard_per_hour_short),
@@ -35,7 +35,7 @@ val SPEED_COLLECTION: List<AbstractUnit> by lazy {
         MyUnit(MyUnitIDS.cosmic_velocity_first,         BigDecimal.valueOf(28_440_000_000),         UnitGroup.SPEED,    R.string.cosmic_velocity_first,         R.string.cosmic_velocity_first_short),
         MyUnit(MyUnitIDS.cosmic_velocity_second,        BigDecimal.valueOf(40_320_000_000),         UnitGroup.SPEED,    R.string.cosmic_velocity_second,        R.string.cosmic_velocity_second_short),
         MyUnit(MyUnitIDS.cosmic_velocity_third,         BigDecimal.valueOf(60_012_000_000),         UnitGroup.SPEED,    R.string.cosmic_velocity_third,         R.string.cosmic_velocity_third_short),
-        MyUnit(MyUnitIDS.earths_orbital_speed,          BigDecimal.valueOf(107_208_000_000),        UnitGroup.SPEED,    R.string.earths_orbital_speed,          R.string.earths_orbital_speed_short),
+        MyUnit(MyUnitIDS.earths_orbital_speed,          BigDecimal.valueOf(107_154_000_000),        UnitGroup.SPEED,    R.string.earths_orbital_speed,          R.string.earths_orbital_speed_short),
         MyUnit(MyUnitIDS.mach,                          BigDecimal.valueOf(1_236_960_000),          UnitGroup.SPEED,    R.string.mach,                          R.string.mach_short),
         MyUnit(MyUnitIDS.mach_si_standard,              BigDecimal.valueOf(1_062_167_040),          UnitGroup.SPEED,    R.string.mach_si_standard,              R.string.mach_si_standard_short),)
 }
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 97cd1f7a..796b556d 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -540,5 +540,135 @@
     <string name="clear_input_description">Очистить ввод</string>
     <string name="favorite_button_description">Добавить или убрать величину из избранных</string>
     <string name="empty_search_result_description">Пустой результат поиска</string>
+    <string name="parsec">Парсек</string>
+    <string name="parsec_short">пк</string>
+    <string name="kiloparsec">Килопарсек</string>
+    <string name="kiloparsec_short">кпк</string>
+    <string name="megaparsec">Мегапарсек</string>
+    <string name="megaparsec_short">Мпк</string>
+    <string name="mercury_equatorial_radius">Экваториальный радиус Меркурия</string>
+    <string name="mercury_equatorial_radius_short">Меркурий R</string>
+    <string name="venus_equatorial_radius">Экваториальный радиус Венеры</string>
+    <string name="venus_equatorial_radius_short">Венера R</string>
+    <string name="earth_equatorial_radius">Экваториальный радиус Земля</string>
+    <string name="earth_equatorial_radius_short">Земля R</string>
+    <string name="mars_equatorial_radius">Экваториальный радиус Марса</string>
+    <string name="mars_equatorial_radius_short">Марс R</string>
+    <string name="jupiter_equatorial_radius">Экваториальный радиус Юпитера</string>
+    <string name="jupiter_equatorial_radius_short">Юпитер R</string>
+    <string name="saturn_equatorial_radius">Экваториальный радиус Сатурна</string>
+    <string name="saturn_equatorial_radius_short">Сатурн R</string>
+    <string name="uranus_equatorial_radius">Экваториальный радиус Урана</string>
+    <string name="uranus_equatorial_radius_short">Уран R</string>
+    <string name="neptune_equatorial_radius">Экваториальный радиус Нептуна</string>
+    <string name="neptune_equatorial_radius_short">Нептун R</string>
+    <string name="sun_equatorial_radius">Экваториальный радиус Солнца</string>
+    <string name="sun_equatorial_radius_short">Солнце R</string>
+    <string name="attopascal">Аттопаскаль</string>
+    <string name="attopascal_short">аПа</string>
+    <string name="femtopascal">Фемтопаскаль</string>
+    <string name="femtopascal_short">фПа</string>
+    <string name="picopascal">Пикопаскаль</string>
+    <string name="picopascal_short">пПа</string>
+    <string name="nanopascal">Нанопаскаль</string>
+    <string name="nanopascal_short">нПа</string>
+    <string name="micropascal">Микропаскаль</string>
+    <string name="micropascal_short">мкПа</string>
+    <string name="millipascal">Миллипаскаль</string>
+    <string name="millipascal_short">мПа</string>
+    <string name="centipascal">Сантипаскаль</string>
+    <string name="centipascal_short">сПа</string>
+    <string name="decipascal">Деципаскаль</string>
+    <string name="decipascal_short">дПа</string>
+    <string name="pascal">Паскаль</string>
+    <string name="pascal_short">Па</string>
+    <string name="dekapascal">Декапаскаль</string>
+    <string name="dekapascal_short">даПа</string>
+    <string name="hectopascal">Гектопаскаль</string>
+    <string name="hectopascal_short">гПа</string>
+    <string name="bar">Бар</string>
+    <string name="bar_short">бар</string>
+    <string name="megapascal">Мегапаскаль</string>
+    <string name="megapascal_short">МПа</string>
+    <string name="gigapascal">Гигапаскаль</string>
+    <string name="gigapascal_short">ГПа</string>
+    <string name="terapascal">Терапаскаль</string>
+    <string name="terapascal_short">ТПа</string>
+    <string name="petapascal">Петапаскаль</string>
+    <string name="petapascal_short">ППа</string>
+    <string name="exapascal">Экзапаскаль</string>
+    <string name="exapascal_short">ЭПа</string>
+    <string name="psi">Фунт на квадратный дюйм</string>
+    <string name="ksi">Килофунт на квадратный дюйм</string>
+    <string name="standard_atmosphere">Физическая атмосфера</string>
+    <string name="standard_atmosphere_short">атм</string>
+    <string name="torr">Торр</string>
+    <string name="torr_short">торр</string>
+    <string name="millimeter_of_mercury">Миллиметр ртутного столба</string>
+    <string name="millimeter_of_mercury_short">мм рт.ст.</string>
+    <string name="attometer_per_square_second">Аттометер на секунду в квадрате</string>
+    <string name="attometer_per_square_second_short">ам/с^2</string>
+    <string name="femtometer_per_square_second">Фемтометер на секунду в квадрате</string>
+    <string name="femtometer_per_square_second_short">фм/с^2</string>
+    <string name="picometer_per_square_second">Пикометер на секунду в квадрате</string>
+    <string name="picometer_per_square_second_short">пм/с^2</string>
+    <string name="nanometer_per_square_second">Нанометер на секунду в квадрате</string>
+    <string name="nanometer_per_square_second_short">нм/с^2</string>
+    <string name="micrometer_per_square_second">Микрометер на секунду в квадрате</string>
+    <string name="micrometer_per_square_second_short">мкм/с^2</string>
+    <string name="millimeter_per_square_second">Миллиметер на секунду в квадрате</string>
+    <string name="millimeter_per_square_second_short">мм/с^2</string>
+    <string name="centimeter_per_square_second">Сантиметер на секунду в квадрате</string>
+    <string name="centimeter_per_square_second_short">см/с^2</string>
+    <string name="decimeter_per_square_second">Дециметер на секунду в квадрате</string>
+    <string name="decimeter_per_square_second_short">дм/с^2</string>
+    <string name="meter_per_square_second">Метер на секунду в квадрате</string>
+    <string name="meter_per_square_second_short">м/с^2</string>
+    <string name="kilometer_per_square_second">Километер на секунду в квадрате</string>
+    <string name="kilometer_per_square_second_short">км/с^2</string>
+    <string name="dekameter_per_square_second">Декаметер на секунду в квадрате</string>
+    <string name="dekameter_per_square_second_short">дам/с^2</string>
+    <string name="hectometer_per_square_second">Гектометер на секунду в квадрате</string>
+    <string name="hectometer_per_square_second_short">гм/с^2</string>
+    <string name="gal">Гал</string>
+    <string name="gal_short">Гал</string>
+    <string name="mercury_surface_gravity">Поверхностная гравитация Меркурия</string>
+    <string name="mercury_surface_gravity_short">Меркурий g</string>
+    <string name="venus_surface_gravity">Поверхностная гравитация Венеры</string>
+    <string name="venus_surface_gravity_short">Венера g</string>
+    <string name="earth_surface_gravity">Поверхностная гравитация Земля</string>
+    <string name="earth_surface_gravity_short">Земля g</string>
+    <string name="mars_surface_gravity">Поверхностная гравитация Марса</string>
+    <string name="mars_surface_gravity_short">Марс g</string>
+    <string name="jupiter_surface_gravity">Поверхностная гравитация Юпитера</string>
+    <string name="jupiter_surface_gravity_short">Юпитер g</string>
+    <string name="saturn_surface_gravity">Поверхностная гравитация Сатурна</string>
+    <string name="saturn_surface_gravity_short">Сатурн g</string>
+    <string name="uranus_surface_gravity">Поверхностная гравитация Урана</string>
+    <string name="uranus_surface_gravity_short">Уран g</string>
+    <string name="neptune_surface_gravity">Поверхностная гравитация Нептуна</string>
+    <string name="neptune_surface_gravity_short">Нептун g</string>
+    <string name="sun_surface_gravity">Поверхностная гравитация Солнца</string>
+    <string name="sun_surface_gravity_short">Солнце g</string>
+    <string name="mercury_mass">Масса Меркурия</string>
+    <string name="mercury_mass_short">Меркурий M</string>
+    <string name="venus_mass">Масса Венеры</string>
+    <string name="venus_mass_short">Венера M</string>
+    <string name="earth_mass">Масса Земля</string>
+    <string name="earth_mass_short">Земля M</string>
+    <string name="mars_mass">Масса Марса</string>
+    <string name="mars_mass_short">Марс M</string>
+    <string name="jupiter_mass">Масса Юпитера</string>
+    <string name="jupiter_mass_short">Юпитер M</string>
+    <string name="saturn_mass">Масса Сатурна</string>
+    <string name="saturn_mass_short">Сатурн M</string>
+    <string name="uranus_mass">Масса Урана</string>
+    <string name="uranus_mass_short">Уран M</string>
+    <string name="neptune_mass">Масса Нептуна</string>
+    <string name="neptune_mass_short">Нептун M</string>
+    <string name="sun_mass">Масса Солнца</string>
+    <string name="sun_mass_short">Солнце M</string>
+    <string name="pressure">Давление</string>
+    <string name="acceleration">Ускорение</string>
 
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 36d57caa..dc628215 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -28,6 +28,30 @@
     <string name="inch_short">in</string>
     <string name="light_year">Light year</string>
     <string name="light_year_short">ly</string>
+    <string name="parsec">Parsec</string>
+    <string name="parsec_short">pc</string>
+    <string name="kiloparsec">Kiloparsec</string>
+    <string name="kiloparsec_short">kpc</string>
+    <string name="megaparsec">Megaparsec</string>
+    <string name="megaparsec_short">Mpc</string>
+    <string name="mercury_equatorial_radius">Mercury equatorial radius</string>
+    <string name="mercury_equatorial_radius_short">Mercury R</string>
+    <string name="venus_equatorial_radius">Venus equatorial radius</string>
+    <string name="venus_equatorial_radius_short">Venus R</string>
+    <string name="earth_equatorial_radius">Earth equatorial radius</string>
+    <string name="earth_equatorial_radius_short">Earth R</string>
+    <string name="mars_equatorial_radius">Mars equatorial radius</string>
+    <string name="mars_equatorial_radius_short">Mars R</string>
+    <string name="jupiter_equatorial_radius">Jupiter equatorial radius</string>
+    <string name="jupiter_equatorial_radius_short">Jupiter R</string>
+    <string name="saturn_equatorial_radius">Saturn equatorial radius</string>
+    <string name="saturn_equatorial_radius_short">Saturn R</string>
+    <string name="uranus_equatorial_radius">Uranus equatorial radius</string>
+    <string name="uranus_equatorial_radius_short">Uranus R</string>
+    <string name="neptune_equatorial_radius">Neptune equatorial radius</string>
+    <string name="neptune_equatorial_radius_short">Neptune R</string>
+    <string name="sun_equatorial_radius">Sun equatorial radius</string>
+    <string name="sun_equatorial_radius_short">Sun R</string>
 
     <!--Mass-->
     <string name="electron_mass_rest">Electron mass</string>
@@ -50,6 +74,24 @@
     <string name="ounce_short">oz</string>
     <string name="carat">Carat</string>
     <string name="carat_short">ct</string>
+    <string name="mercury_mass">Mercury mass</string>
+    <string name="mercury_mass_short">Mercury M</string>
+    <string name="venus_mass">Venus mass</string>
+    <string name="venus_mass_short">Venus M</string>
+    <string name="earth_mass">Earth mass</string>
+    <string name="earth_mass_short">Earth M</string>
+    <string name="mars_mass">Mars mass</string>
+    <string name="mars_mass_short">Mars M</string>
+    <string name="jupiter_mass">Jupiter mass</string>
+    <string name="jupiter_mass_short">Jupiter M</string>
+    <string name="saturn_mass">Saturn mass</string>
+    <string name="saturn_mass_short">Saturn M</string>
+    <string name="uranus_mass">Uranus mass</string>
+    <string name="uranus_mass_short">Uranus M</string>
+    <string name="neptune_mass">Neptune mass</string>
+    <string name="neptune_mass_short">Neptune M</string>
+    <string name="sun_mass">Sun mass</string>
+    <string name="sun_mass_short">Sun M</string>
 
     <!--Temperature-->
     <string name="celsius">Celsius</string>
@@ -343,6 +385,98 @@
     <string name="turn">Turn</string>
     <string name="turn_short">tr</string>
 
+    <!--Pressure-->
+    <string name="attopascal">Attopascal</string>
+    <string name="attopascal_short">aPa</string>
+    <string name="femtopascal">Femtopascal</string>
+    <string name="femtopascal_short">fPa</string>
+    <string name="picopascal">Picopascal</string>
+    <string name="picopascal_short">pPa</string>
+    <string name="nanopascal">Nanopascal</string>
+    <string name="nanopascal_short">nPa</string>
+    <string name="micropascal">Micropascal</string>
+    <string name="micropascal_short">µPa</string>
+    <string name="millipascal">Millipascal</string>
+    <string name="millipascal_short">mPa</string>
+    <string name="centipascal">Centipascal</string>
+    <string name="centipascal_short">cPa</string>
+    <string name="decipascal">Decipascal</string>
+    <string name="decipascal_short">dPa</string>
+    <string name="pascal">Pascal</string>
+    <string name="pascal_short">Pa</string>
+    <string name="dekapascal">Dekapascal</string>
+    <string name="dekapascal_short">daPa</string>
+    <string name="hectopascal">Hectopascal</string>
+    <string name="hectopascal_short">hPa</string>
+    <string name="bar">Bar</string>
+    <string name="bar_short">bar</string>
+    <string name="megapascal">Megapascal</string>
+    <string name="megapascal_short">MPa</string>
+    <string name="gigapascal">Gigapascal</string>
+    <string name="gigapascal_short">GPA</string>
+    <string name="terapascal">Terapascal</string>
+    <string name="terapascal_short">TPa</string>
+    <string name="petapascal">Petapascal</string>
+    <string name="petapascal_short">PPa</string>
+    <string name="exapascal">Exapascal</string>
+    <string name="exapascal_short">EPa</string>
+    <string name="psi">Pound per square inch</string>
+    <string name="psi_short" translatable="false">psi</string>
+    <string name="ksi">Kilopound per square inch</string>
+    <string name="ksi_short" translatable="false">ksi</string>
+    <string name="standard_atmosphere">Standard atmosphere</string>
+    <string name="standard_atmosphere_short">atm</string>
+    <string name="torr">Torr</string>
+    <string name="torr_short">torr</string>
+    <string name="millimeter_of_mercury">Millimeter of mercury</string>
+    <string name="millimeter_of_mercury_short">mm Hg</string>
+
+    <!--Acceleration-->
+    <string name="attometer_per_square_second">Attometer per square second</string>
+    <string name="attometer_per_square_second_short">am/s^2</string>
+    <string name="femtometer_per_square_second">Femtometer per square second</string>
+    <string name="femtometer_per_square_second_short">fm/s^2</string>
+    <string name="picometer_per_square_second">Picometer per square second</string>
+    <string name="picometer_per_square_second_short">pm/s^2</string>
+    <string name="nanometer_per_square_second">Nanometer per square second</string>
+    <string name="nanometer_per_square_second_short">nm/s^2</string>
+    <string name="micrometer_per_square_second">Micrometer per square second</string>
+    <string name="micrometer_per_square_second_short">µm/s^2</string>
+    <string name="millimeter_per_square_second">Millimeter per square second</string>
+    <string name="millimeter_per_square_second_short">mm/s^2</string>
+    <string name="centimeter_per_square_second">Centimeter per square second</string>
+    <string name="centimeter_per_square_second_short">cm/s^2</string>
+    <string name="decimeter_per_square_second">Decimeter per square second</string>
+    <string name="decimeter_per_square_second_short">dm/s^2</string>
+    <string name="meter_per_square_second">Meter per square second</string>
+    <string name="meter_per_square_second_short">m/s^2</string>
+    <string name="kilometer_per_square_second">Kilometer per square second</string>
+    <string name="kilometer_per_square_second_short">km/s^2</string>
+    <string name="dekameter_per_square_second">Dekameter per square second</string>
+    <string name="dekameter_per_square_second_short">dam/s^2</string>
+    <string name="hectometer_per_square_second">Hectometer per square second</string>
+    <string name="hectometer_per_square_second_short">hm/s^2</string>
+    <string name="gal">Gal</string>
+    <string name="gal_short">Gal</string>
+    <string name="mercury_surface_gravity">Mercury surface gravity</string>
+    <string name="mercury_surface_gravity_short">Mercury g</string>
+    <string name="venus_surface_gravity">Venus surface gravity</string>
+    <string name="venus_surface_gravity_short">Venus g</string>
+    <string name="earth_surface_gravity">Earth surface gravity</string>
+    <string name="earth_surface_gravity_short">Earth g</string>
+    <string name="mars_surface_gravity">Mars surface gravity</string>
+    <string name="mars_surface_gravity_short">Mars g</string>
+    <string name="jupiter_surface_gravity">Jupiter surface gravity</string>
+    <string name="jupiter_surface_gravity_short">Jupiter g</string>
+    <string name="saturn_surface_gravity">Saturn surface gravity</string>
+    <string name="saturn_surface_gravity_short">Saturn g</string>
+    <string name="uranus_surface_gravity">Uranus surface gravity</string>
+    <string name="uranus_surface_gravity_short">Uranus g</string>
+    <string name="neptune_surface_gravity">Neptune surface gravity</string>
+    <string name="neptune_surface_gravity_short">Neptune g</string>
+    <string name="sun_surface_gravity">Sun surface gravity</string>
+    <string name="sun_surface_gravity_short">Sun g</string>
+
     <!--Currency-->
     <string name="currency_1inch" translatable="false">1inch Network</string>
     <string name="currency_1inch_short" translatable="false">NCH</string>
@@ -775,6 +909,8 @@
     <string name="power">Power</string>
     <string name="angle">Angle</string>
     <string name="data_transfer">Data transfer</string>
+    <string name="pressure">Pressure</string>
+    <string name="acceleration">Acceleration</string>
     <string name="currency">Currency</string>
 
     <!--Screen names-->
diff --git a/app/src/test/java/com/sadellie/unitto/data/units/AllUnitsTest.kt b/app/src/test/java/com/sadellie/unitto/data/units/AllUnitsTest.kt
new file mode 100644
index 00000000..91f5a0cd
--- /dev/null
+++ b/app/src/test/java/com/sadellie/unitto/data/units/AllUnitsTest.kt
@@ -0,0 +1,340 @@
+package com.sadellie.unitto.data.units
+
+
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+import java.math.BigDecimal
+
+@RunWith(JUnit4::class)
+class AllUnitsTest {
+
+    // Group and it's tested unit ids
+    var history: MutableMap<UnitGroup, Set<String>> = mutableMapOf()
+
+    @Test
+    fun testAcceleration() {
+        MyUnitIDS.attometer_per_square_second.checkWith(MyUnitIDS.femtometer_per_square_second, "69", "0.069")
+        MyUnitIDS.femtometer_per_square_second.checkWith(MyUnitIDS.picometer_per_square_second, "69", "0.069")
+        MyUnitIDS.picometer_per_square_second.checkWith(MyUnitIDS.micrometer_per_square_second, "69", "0.00007")
+        MyUnitIDS.nanometer_per_square_second.checkWith(MyUnitIDS.centimeter_per_square_second, "69", "0.000007")
+        MyUnitIDS.micrometer_per_square_second.checkWith(MyUnitIDS.nanometer_per_square_second, "69", "69000")
+        MyUnitIDS.millimeter_per_square_second.checkWith(MyUnitIDS.centimeter_per_square_second, "69", "6.9")
+        MyUnitIDS.centimeter_per_square_second.checkWith(MyUnitIDS.meter_per_square_second, "69", "0.69")
+        MyUnitIDS.decimeter_per_square_second.checkWith(MyUnitIDS.meter_per_square_second, "69", "6.9")
+        MyUnitIDS.meter_per_square_second.checkWith(MyUnitIDS.micrometer_per_square_second, "69", "69000000")
+        MyUnitIDS.kilometer_per_square_second.checkWith(MyUnitIDS.hectometer_per_square_second, "69", "690")
+        MyUnitIDS.dekameter_per_square_second.checkWith(MyUnitIDS.gal, "69", "69000")
+        MyUnitIDS.hectometer_per_square_second.checkWith(MyUnitIDS.gal, "69", "690000")
+        MyUnitIDS.gal.checkWith(MyUnitIDS.centimeter_per_square_second, "69", "69")
+        MyUnitIDS.mercury_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "3.7")
+        MyUnitIDS.venus_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "8.87")
+        MyUnitIDS.earth_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "9.80655")
+        MyUnitIDS.mars_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "3.71")
+        MyUnitIDS.jupiter_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "24.79")
+        MyUnitIDS.saturn_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "10.44")
+        MyUnitIDS.uranus_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "8.87")
+        MyUnitIDS.neptune_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "11.15")
+        MyUnitIDS.sun_surface_gravity.checkWith(MyUnitIDS.meter_per_square_second, "1", "274")
+    }
+
+    @Test
+    fun testAngle() {
+        MyUnitIDS.angle_second.checkWith(MyUnitIDS.angle_minute, "420.5", "7.00833")
+        MyUnitIDS.angle_minute.checkWith(MyUnitIDS.radian, "420.5", "0.12232")
+        MyUnitIDS.degree.checkWith(MyUnitIDS.turn, "420.5", "1.16806")
+        MyUnitIDS.radian.checkWith(MyUnitIDS.turn, "420.5", "66.92465")
+        MyUnitIDS.sextant.checkWith(MyUnitIDS.radian, "420.5", "440.34657")
+        MyUnitIDS.turn.checkWith(MyUnitIDS.angle_minute, "420.5", "9082800")
+    }
+
+    @Test
+    fun testArea() {
+        MyUnitIDS.acre.checkWith(MyUnitIDS.square_kilometer, "75.9", "0.30716")
+        MyUnitIDS.hectare.checkWith(MyUnitIDS.square_foot, "75.9", "8169808.00585")
+        MyUnitIDS.square_foot.checkWith(MyUnitIDS.square_decimeter, "75.9", "705.13407")
+        MyUnitIDS.square_mile.checkWith(MyUnitIDS.square_foot, "75.9", "2115970560.8762")
+        MyUnitIDS.square_yard.checkWith(MyUnitIDS.square_foot, "75.9", "683.1")
+        MyUnitIDS.square_inch.checkWith(MyUnitIDS.square_foot, "75.9", "0.52708")
+        MyUnitIDS.square_micrometer.checkWith(MyUnitIDS.square_millimeter, "75.9", "0.00008")
+        MyUnitIDS.square_millimeter.checkWith(MyUnitIDS.square_centimeter, "75.9", "0.759")
+        MyUnitIDS.square_centimeter.checkWith(MyUnitIDS.acre, "75.9", "0.000002")
+        MyUnitIDS.square_decimeter.checkWith(MyUnitIDS.square_meter, "75.9", "0.759")
+        MyUnitIDS.square_meter.checkWith(MyUnitIDS.acre, "75.9", "0.01876")
+        MyUnitIDS.square_kilometer.checkWith(MyUnitIDS.hectare, "75.9", "7590")
+        MyUnitIDS.electron_cross_section.checkWith(MyUnitIDS.square_micrometer, "75.9", "0.000000000000005")
+    }
+
+    @Test
+    fun testDataTransfer() {
+        MyUnitIDS.bit_per_second.checkWith(MyUnitIDS.kilobit_per_second, "2048", "2.048")
+        MyUnitIDS.kibibit_per_second.checkWith(MyUnitIDS.bit_per_second, "2048", "2097152")
+        MyUnitIDS.kilobit_per_second.checkWith(MyUnitIDS.bit_per_second, "2048", "2048000")
+        MyUnitIDS.megabit_per_second.checkWith(MyUnitIDS.kilobit_per_second, "2048", "2048000")
+        MyUnitIDS.mebibit_per_second.checkWith(MyUnitIDS.kilobit_per_second, "2048", "2147483.648")
+        MyUnitIDS.gigabit_per_second.checkWith(MyUnitIDS.kilobit_per_second, "2048", "2048000000")
+        MyUnitIDS.terabit_per_second.checkWith(MyUnitIDS.gigabyte_per_second, "2048", "256000")
+        MyUnitIDS.petabit_per_second.checkWith(MyUnitIDS.gigabyte_per_second, "2048", "256000000")
+        MyUnitIDS.exabit_per_second.checkWith(MyUnitIDS.petabit_per_second, "2048", "2048000")
+        MyUnitIDS.byte_per_second.checkWith(MyUnitIDS.bit_per_second, "2048", "16384")
+        MyUnitIDS.kibibyte_per_second.checkWith(MyUnitIDS.bit_per_second, "2048", "16777216")
+        MyUnitIDS.kilobyte_per_second.checkWith(MyUnitIDS.kibibit_per_second, "2048", "16000")
+        MyUnitIDS.megabyte_per_second.checkWith(MyUnitIDS.kilobyte_per_second, "2048", "2048000")
+        MyUnitIDS.mebibyte_per_second.checkWith(MyUnitIDS.bit_per_second, "2048", "17179869184")
+        MyUnitIDS.gigabyte_per_second.checkWith(MyUnitIDS.kilobyte_per_second, "2048", "2048000000")
+        MyUnitIDS.terabyte_per_second.checkWith(MyUnitIDS.gigabyte_per_second, "2048", "2048000")
+        MyUnitIDS.petabyte_per_second.checkWith(MyUnitIDS.terabyte_per_second, "2048", "2048000")
+        MyUnitIDS.exabyte_per_second.checkWith(MyUnitIDS.petabyte_per_second, "2048", "2048000")
+    }
+
+    @Test
+    fun testEnergy() {
+        MyUnitIDS.electron_volt.checkWith(MyUnitIDS.joule, "56000000000000000000", "8.97219")
+        MyUnitIDS.attojoule.checkWith(MyUnitIDS.calorie_th, "41840000000000", "0.00001")
+        MyUnitIDS.joule.checkWith(MyUnitIDS.kilocalorie_th, "4184", "1")
+        MyUnitIDS.kilojoule.checkWith(MyUnitIDS.calorie_th, "4184000000", "1000000000000")
+        MyUnitIDS.megajoule.checkWith(MyUnitIDS.calorie_th, "0.4184", "100000")
+        MyUnitIDS.gigajoule.checkWith(MyUnitIDS.calorie_th, "0.4184", "100000000")
+        MyUnitIDS.energy_ton.checkWith(MyUnitIDS.calorie_th, "0.4184", "418400000")
+        MyUnitIDS.kiloton.checkWith(MyUnitIDS.calorie_th, "0.4184", "418400000000")
+        MyUnitIDS.megaton.checkWith(MyUnitIDS.calorie_th, "0.4184", "418400000000000")
+        MyUnitIDS.gigaton.checkWith(MyUnitIDS.calorie_th, "0.000000004184", "4184000000")
+        MyUnitIDS.energy_horse_power_metric.checkWith(MyUnitIDS.joule, "10", "26477955")
+        MyUnitIDS.calorie_th.checkWith(MyUnitIDS.joule, "10", "41.84")
+        MyUnitIDS.kilocalorie_th.checkWith(MyUnitIDS.joule, "10", "41840")
+    }
+
+    @Test
+    fun testFileSize() {
+        MyUnitIDS.bit.checkWith(MyUnitIDS.kilobit, "2048", "2.048")
+        MyUnitIDS.kibibit.checkWith(MyUnitIDS.bit, "2048", "2097152")
+        MyUnitIDS.kilobit.checkWith(MyUnitIDS.bit, "2048", "2048000")
+        MyUnitIDS.megabit.checkWith(MyUnitIDS.kilobit, "2048", "2048000")
+        MyUnitIDS.mebibit.checkWith(MyUnitIDS.kilobit, "2048", "2147483.648")
+        MyUnitIDS.gigabit.checkWith(MyUnitIDS.kilobit, "2048", "2048000000")
+        MyUnitIDS.terabit.checkWith(MyUnitIDS.gigabyte, "2048", "256000")
+        MyUnitIDS.petabit.checkWith(MyUnitIDS.gigabyte, "2048", "256000000")
+        MyUnitIDS.exabit.checkWith(MyUnitIDS.petabit, "2048", "2048000")
+        MyUnitIDS.byte.checkWith(MyUnitIDS.bit, "2048", "16384")
+        MyUnitIDS.kibibyte.checkWith(MyUnitIDS.bit, "2048", "16777216")
+        MyUnitIDS.kilobyte.checkWith(MyUnitIDS.kibibit, "2048", "16000")
+        MyUnitIDS.megabyte.checkWith(MyUnitIDS.kilobyte, "2048", "2048000")
+        MyUnitIDS.mebibyte.checkWith(MyUnitIDS.bit, "2048", "17179869184")
+        MyUnitIDS.gigabyte.checkWith(MyUnitIDS.kilobyte, "2048", "2048000000")
+        MyUnitIDS.terabyte.checkWith(MyUnitIDS.gigabyte, "2048", "2048000")
+        MyUnitIDS.petabyte.checkWith(MyUnitIDS.terabyte, "2048", "2048000")
+        MyUnitIDS.exabyte.checkWith(MyUnitIDS.petabyte, "2048", "2048000")
+    }
+
+    @Test
+    fun testLength() {
+        MyUnitIDS.attometer.checkWith(MyUnitIDS.micrometer, "158000000000.7", "0.158")
+        MyUnitIDS.nanometer.checkWith(MyUnitIDS.inch, "158000000000.7", "6220.47244")
+        MyUnitIDS.micrometer.checkWith(MyUnitIDS.inch, "158000000000.7", "6220472.44097")
+        MyUnitIDS.millimeter.checkWith(MyUnitIDS.inch, "158000.7", "6220.5")
+        MyUnitIDS.centimeter.checkWith(MyUnitIDS.inch, "158000.7", "62205")
+        MyUnitIDS.decimeter.checkWith(MyUnitIDS.foot, "158000.7", "51837.5")
+        MyUnitIDS.meter.checkWith(MyUnitIDS.yard, "158000.7", "172791.66667")
+        MyUnitIDS.kilometer.checkWith(MyUnitIDS.mile, "100", "62.13712")
+        MyUnitIDS.inch.checkWith(MyUnitIDS.foot, "100", "8.33333")
+        MyUnitIDS.foot.checkWith(MyUnitIDS.inch, "100", "1200")
+        MyUnitIDS.yard.checkWith(MyUnitIDS.foot, "100", "300")
+        MyUnitIDS.mile.checkWith(MyUnitIDS.foot, "100", "528000")
+        MyUnitIDS.light_year.checkWith(MyUnitIDS.foot, "0.0000001", "3103914196.85037")
+        MyUnitIDS.parsec.checkWith(MyUnitIDS.foot, "0.00000001", "1012361411.25044")
+        MyUnitIDS.kiloparsec.checkWith(MyUnitIDS.foot, "0.00000000001", "1012361411.25044")
+        MyUnitIDS.megaparsec.checkWith(MyUnitIDS.foot, "0.00000000000001", "1012361411.25044")
+        MyUnitIDS.mercury_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "2439.7")
+        MyUnitIDS.venus_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "6051.8")
+        MyUnitIDS.earth_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "6371")
+        MyUnitIDS.mars_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "3389.5")
+        MyUnitIDS.jupiter_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "69911")
+        MyUnitIDS.saturn_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "58232")
+        MyUnitIDS.uranus_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "25362")
+        MyUnitIDS.neptune_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "24622")
+        MyUnitIDS.sun_equatorial_radius.checkWith(MyUnitIDS.kilometer, "1", "695508")
+    }
+
+    @Test
+    fun testMass() {
+        MyUnitIDS.electron_mass_rest.checkWith(MyUnitIDS.milligram, "1500000000000000000", "0.000001")
+        MyUnitIDS.atomic_mass_unit.checkWith(MyUnitIDS.electron_mass_rest, "150", "273433.27951")
+        MyUnitIDS.milligram.checkWith(MyUnitIDS.ounce, "1500", "0.05291")
+        MyUnitIDS.gram.checkWith(MyUnitIDS.ounce, "1500", "52.91094")
+        MyUnitIDS.kilogram.checkWith(MyUnitIDS.carat, "1500", "7500000")
+        MyUnitIDS.metric_ton.checkWith(MyUnitIDS.carat, "1500", "7500000000")
+        MyUnitIDS.imperial_ton.checkWith(MyUnitIDS.kilogram, "1500", "1524070.3632")
+        MyUnitIDS.ounce.checkWith(MyUnitIDS.pound, "1500", "93.75")
+        MyUnitIDS.carat.checkWith(MyUnitIDS.pound, "1500", "0.66139")
+        MyUnitIDS.pound.checkWith(MyUnitIDS.kilogram, "1500", "680.38856")
+        MyUnitIDS.mercury_mass.checkWith(MyUnitIDS.kilogram, "1", "330104000000000000000000")
+        MyUnitIDS.venus_mass.checkWith(MyUnitIDS.kilogram, "1", "4867320000000000000000000")
+        MyUnitIDS.earth_mass.checkWith(MyUnitIDS.kilogram, "1", "5972190000000000000000000")
+        MyUnitIDS.mars_mass.checkWith(MyUnitIDS.kilogram, "1", "641693000000000000000000")
+        MyUnitIDS.jupiter_mass.checkWith(MyUnitIDS.kilogram, "1", "1898130000000000000000000000")
+        MyUnitIDS.saturn_mass.checkWith(MyUnitIDS.kilogram, "1", "568319000000000000000000000")
+        MyUnitIDS.uranus_mass.checkWith(MyUnitIDS.kilogram, "1", "86810300000000000000000000")
+        MyUnitIDS.neptune_mass.checkWith(MyUnitIDS.kilogram, "1", "102410000000000000000000000")
+        MyUnitIDS.sun_mass.checkWith(MyUnitIDS.kilogram, "1", "1989100000000000000000000000000")
+    }
+
+    @Test
+    fun testPower() {
+        MyUnitIDS.attowatt.checkWith(MyUnitIDS.watt, "3950000000000000", "0.00395")
+        MyUnitIDS.watt.checkWith(MyUnitIDS.kilowatt, "395", "0.395")
+        MyUnitIDS.kilowatt.checkWith(MyUnitIDS.horse_power_mechanical, "395", "529.70373")
+        MyUnitIDS.megawatt.checkWith(MyUnitIDS.horse_power_mechanical, "395", "529703.72539")
+        MyUnitIDS.horse_power_mechanical.checkWith(MyUnitIDS.kilowatt, "395", "294.55145")
+    }
+
+    @Test
+    fun testPressure() {
+        MyUnitIDS.attopascal.checkWith(MyUnitIDS.femtopascal, "456", "0.456")
+        MyUnitIDS.femtopascal.checkWith(MyUnitIDS.picopascal, "456", "0.456")
+        MyUnitIDS.picopascal.checkWith(MyUnitIDS.nanopascal, "456", "0.456")
+        MyUnitIDS.nanopascal.checkWith(MyUnitIDS.micropascal, "456", "0.456")
+        MyUnitIDS.micropascal.checkWith(MyUnitIDS.millipascal, "456", "0.456")
+        MyUnitIDS.millipascal.checkWith(MyUnitIDS.centipascal, "456", "45.6")
+        MyUnitIDS.centipascal.checkWith(MyUnitIDS.decipascal, "456", "45.6")
+        MyUnitIDS.decipascal.checkWith(MyUnitIDS.dekapascal, "456", "4.56")
+        MyUnitIDS.pascal.checkWith(MyUnitIDS.bar, "456", "0.00456")
+        MyUnitIDS.dekapascal.checkWith(MyUnitIDS.bar, "456", "0.0456")
+        MyUnitIDS.hectopascal.checkWith(MyUnitIDS.psi, "456", "6.61372")
+        MyUnitIDS.bar.checkWith(MyUnitIDS.ksi, "456", "6.61372")
+        MyUnitIDS.megapascal.checkWith(MyUnitIDS.ksi, "456", "66.13721")
+        MyUnitIDS.gigapascal.checkWith(MyUnitIDS.torr, "456", "3420281273.13024")
+        MyUnitIDS.terapascal.checkWith(MyUnitIDS.gigapascal, "456", "456000")
+        MyUnitIDS.petapascal.checkWith(MyUnitIDS.gigapascal, "456", "456000000")
+        MyUnitIDS.exapascal.checkWith(MyUnitIDS.gigapascal, "456", "456000000000")
+        MyUnitIDS.psi.checkWith(MyUnitIDS.gigapascal, "456", "0.00314")
+        MyUnitIDS.ksi.checkWith(MyUnitIDS.gigapascal, "456", "3.14401")
+        MyUnitIDS.standard_atmosphere.checkWith(MyUnitIDS.torr, "456", "346560")
+        MyUnitIDS.torr.checkWith(MyUnitIDS.hectopascal, "456", "607.95")
+        MyUnitIDS.millimeter_of_mercury.checkWith(MyUnitIDS.hectopascal, "456", "607.95")
+    }
+
+    @Test
+    fun testSpeed() {
+        MyUnitIDS.millimeter_per_hour.checkWith(MyUnitIDS.kilometer_per_hour, "396", "0.0004")
+        MyUnitIDS.millimeter_per_minute.checkWith(MyUnitIDS.kilometer_per_hour, "396", "0.02376")
+        MyUnitIDS.millimeter_per_second.checkWith(MyUnitIDS.kilometer_per_hour, "396", "1.4256")
+        MyUnitIDS.centimeter_per_hour.checkWith(MyUnitIDS.kilometer_per_hour, "396", "0.00396")
+        MyUnitIDS.centimeter_per_minute.checkWith(MyUnitIDS.kilometer_per_hour, "396", "0.2376")
+        MyUnitIDS.centimeter_per_second.checkWith(MyUnitIDS.kilometer_per_hour, "396", "14.256")
+        MyUnitIDS.meter_per_hour.checkWith(MyUnitIDS.kilometer_per_hour, "396", "0.396")
+        MyUnitIDS.meter_per_minute.checkWith(MyUnitIDS.kilometer_per_hour, "396", "23.76")
+        MyUnitIDS.meter_per_second.checkWith(MyUnitIDS.kilometer_per_hour, "396", "1425.6")
+        MyUnitIDS.kilometer_per_hour.checkWith(MyUnitIDS.mile_per_hour, "396", "246.06299")
+        MyUnitIDS.kilometer_per_minute.checkWith(MyUnitIDS.mile_per_hour, "396", "14763.77953")
+        MyUnitIDS.kilometer_per_second.checkWith(MyUnitIDS.mile_per_hour, "396", "885826.77165")
+        MyUnitIDS.foot_per_hour.checkWith(MyUnitIDS.mile_per_hour, "396", "0.075")
+        MyUnitIDS.foot_per_minute.checkWith(MyUnitIDS.mile_per_hour, "396", "4.5")
+        MyUnitIDS.foot_per_second.checkWith(MyUnitIDS.mile_per_hour, "396", "270")
+        MyUnitIDS.yard_per_hour.checkWith(MyUnitIDS.mile_per_hour, "396", "0.225")
+        MyUnitIDS.yard_per_minute.checkWith(MyUnitIDS.mile_per_hour, "396", "13.5")
+        MyUnitIDS.yard_per_second.checkWith(MyUnitIDS.mile_per_hour, "396", "810")
+        MyUnitIDS.mile_per_hour.checkWith(MyUnitIDS.foot_per_hour, "396", "2090880")
+        MyUnitIDS.mile_per_minute.checkWith(MyUnitIDS.foot_per_hour, "396", "125452800")
+        MyUnitIDS.mile_per_second.checkWith(MyUnitIDS.foot_per_hour, "396", "7527168000")
+        MyUnitIDS.knot.checkWith(MyUnitIDS.meter_per_hour, "396", "733392")
+        MyUnitIDS.velocity_of_light_in_vacuum.checkWith(MyUnitIDS.meter_per_second, "1", "299792458")
+        MyUnitIDS.cosmic_velocity_first.checkWith(MyUnitIDS.meter_per_second, "1", "7900")
+        MyUnitIDS.cosmic_velocity_second.checkWith(MyUnitIDS.meter_per_second, "1", "11200")
+        MyUnitIDS.cosmic_velocity_third.checkWith(MyUnitIDS.meter_per_second, "1", "16670")
+        MyUnitIDS.earths_orbital_speed.checkWith(MyUnitIDS.meter_per_second, "1", "29765")
+        MyUnitIDS.mach.checkWith(MyUnitIDS.meter_per_second, "1", "343.6")
+        MyUnitIDS.mach_si_standard.checkWith(MyUnitIDS.meter_per_second, "1", "295.0464")
+    }
+
+    @Test
+    fun testTemperature() {
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.celsius, "0", "0")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.fahrenheit, "0", "32")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.kelvin, "0", "273.15")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.celsius, "36.6", "36.6")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.fahrenheit, "36.6", "97.88")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.kelvin, "36.6", "309.75")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.celsius, "-36.6", "-36.6")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.fahrenheit, "-36.6", "-33.88")
+        MyUnitIDS.celsius.checkWith(MyUnitIDS.kelvin, "-36.6", "236.55")
+
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.celsius, "0", "-17.77778")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.fahrenheit, "0", "0")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.kelvin, "0", "255.37222")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.celsius, "36.6", "2.55556")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.fahrenheit, "36.6", "36.6")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.kelvin, "36.6", "275.70556")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.celsius, "-36.6", "-38.11111")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.fahrenheit, "-36.6", "-36.6")
+        MyUnitIDS.fahrenheit.checkWith(MyUnitIDS.kelvin, "-36.6", "235.03889")
+
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.celsius, "0", "-273.15")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.fahrenheit, "0", "-459.67")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.kelvin, "0", "0")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.celsius, "36.6", "-236.55")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.fahrenheit, "36.6", "-393.79")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.kelvin, "36.6", "36.6")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.celsius, "-36.6", "-309.75")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.fahrenheit, "-36.6", "-525.55")
+        MyUnitIDS.kelvin.checkWith(MyUnitIDS.kelvin, "-36.6", "-36.6")
+    }
+
+    @Test
+    fun testTime() {
+        MyUnitIDS.attosecond.checkWith(MyUnitIDS.millisecond, "366000000000", "0.00037")
+        MyUnitIDS.nanosecond.checkWith(MyUnitIDS.millisecond, "366", "0.00037")
+        MyUnitIDS.microsecond.checkWith(MyUnitIDS.millisecond, "366", "0.366")
+        MyUnitIDS.millisecond.checkWith(MyUnitIDS.second, "366", "0.366")
+        MyUnitIDS.jiffy.checkWith(MyUnitIDS.second, "366", "3.66")
+        MyUnitIDS.second.checkWith(MyUnitIDS.millisecond, "366", "366000")
+        MyUnitIDS.minute.checkWith(MyUnitIDS.millisecond, "366", "21960000")
+        MyUnitIDS.hour.checkWith(MyUnitIDS.millisecond, "366", "1317600000")
+        MyUnitIDS.day.checkWith(MyUnitIDS.hour, "366", "8784")
+        MyUnitIDS.week.checkWith(MyUnitIDS.hour, "366", "61488")
+    }
+
+    @Test
+    fun testVolume() {
+        MyUnitIDS.attoliter.checkWith(MyUnitIDS.millimeter, "1507000000000", "0.00151")
+        MyUnitIDS.milliliter.checkWith(MyUnitIDS.liter, "1507", "1.507")
+        MyUnitIDS.liter.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "398.10728")
+        MyUnitIDS.us_liquid_gallon.checkWith(MyUnitIDS.us_fluid_ounce, "1507", "192896")
+        MyUnitIDS.us_liquid_quart.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "376.75")
+        MyUnitIDS.us_liquid_pint.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "188.375")
+        MyUnitIDS.us_legal_cup.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "94.1875")
+        MyUnitIDS.us_fluid_ounce.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "11.77344")
+        MyUnitIDS.us_tablespoon.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "5.88672")
+        MyUnitIDS.us_teaspoon.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "1.96224")
+        MyUnitIDS.imperial_gallon.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "1809.83154")
+        MyUnitIDS.imperial_quart.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "452.45788")
+        MyUnitIDS.imperial_pint.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "226.22894")
+        MyUnitIDS.imperial_cup.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "113.11447")
+        MyUnitIDS.imperial_fluid_ounce.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "11.31145")
+        MyUnitIDS.imperial_tablespoon.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "7.06965")
+        MyUnitIDS.imperial_teaspoon.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "2.35655")
+        MyUnitIDS.cubic_millimeter.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "0.0004")
+        MyUnitIDS.cubic_centimeter.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "0.39811")
+        MyUnitIDS.cubic_meter.checkWith(MyUnitIDS.us_liquid_gallon, "1507", "398107.2829")
+        MyUnitIDS.cubic_kilometer.checkWith(MyUnitIDS.us_liquid_gallon, "0.0000001507", "39810.72829")
+    }
+
+    private fun String.checkWith(checkingId: String, value: String, expected: String) {
+        val unit = ALL_UNITS.first { it.unitId == this }
+        val actual = unit
+            .convert(ALL_UNITS.first { it.unitId == checkingId }, BigDecimal(value), 5)
+            .toPlainString()
+        assertEquals("Failed at $this to $checkingId", expected, actual)
+        println("PASSED: $this -> $expected == $actual")
+        val content: Set<String> = history.getOrDefault(unit.group, setOf())
+        history[unit.group] = content.plus(this)
+    }
+
+    @After
+    fun after() {
+        val unitGroup = history.keys.first()
+        // GROUP : testedCount / totalCount
+        println("${unitGroup.name} : ${history[unitGroup]?.size} / ${ALL_UNITS.filter { it.group == unitGroup }.size}")
+    }
+}
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 3896762a..1e49e70b 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -7,3 +7,4 @@ dependencyResolutionManagement {
 }
 rootProject.name = "Unitto"
 include(":app")
+include(":tools")