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Unit Conversions

Index

Unit Conversions provide conversions for units, such as meter ⟹ foot, so that a source units can be converted into what is needed for localized Unit Preferences. There are many possible units, and additional units and conversions will be added in future releases.

Warning: Do not scrape this chart for production data. Instead, for the meaning of the fields and data consult the LDML specification, and for machine-readable source data, access common/supplemental/units.xml, and for test data, access common/testData/units/unitsTest.txt.

Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
radioactivity becquerel = per-second si, metric, prefixable becquerel 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
luminous-intensity candela si, metric, prefixable candela 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
illuminance lux = candela-per-square-meter si, metric, prefixable lux 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
luminous-flux lumen = candela-square-meter-per-square-meter si, metric, prefixable lumen 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
mass kilogram si_acceptable, metric, prefixable dalton ~1.6605×10ˆ-27 0.00000000000000000000000000166053878283
si, metric, prefixable gram 1/1000 0.001
si, metric kilogram 1 1
si_acceptable, metric, prefixable tonne 1,000 1000
metric_adjacent, ussystem, uksystem carat 1/5000 0.0002
ussystem, uksystem grain ~64.799×10ˆ-6 0.00006479891
ounce ~0.02835 0.028349523125
ounce-troy ~0.031103 0.03110348
pound ~0.45359 0.45359237
uksystem stone ~6.3503 6.35029318
ussystem, uksystem slug ~14.594 5,560.277019075625/381
ton ~907.18 907.18474
jpsystem fun 3/8000 0.000375
astronomical earth-mass 5.9722×10ˆ24 5972200000000000000000000
solar-mass ~1.9885×10ˆ30 1988470000000000000000000000000
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
pressure pascal = kilogram-per-meter-square-second si, metric, prefixable pascal 1 1
si_acceptable, metric, prefixable bar 100,000 100000
ussystem, uksystem atmosphere 101,325 101325
gasoline-energy-density ~32.054×10ˆ9 722,250,000,000,000,000/22532213
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
pressure-per-length kilogram-per-square-meter-square-second metric_adjacent, ussystem, uksystem ofhg ~133,320 133322.387415
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
magnetic-induction tesla = kilogram-per-square-second-ampere si, metric, prefixable tesla 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
force newton = kilogram-meter-per-square-second si, metric, prefixable newton 1 1
metric_adjacent kilogram-force ~9.8066 9.80665
ussystem, uksystem pound-force ~4.4482 4.4482216152605
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
energy joule = kilogram-square-meter-per-square-second si_acceptable, metric_adjacent electronvolt ~160.22×10ˆ-21 0.0000000000000000001602177
si, metric, prefixable joule 1 1
metric_adjacent, prefixable calorie 4.184 4.184
calorie-it 4.1868 4.1868
ussystem, uksystem british-thermal-unit ~1,054.4 1054.3502644˙8
british-thermal-unit-it ~1,055.1 1055.05585262
foodcalorie 4,184 4184
ussystem therm-us ~105.48×10ˆ6 105480400
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
magnetic-flux weber = kilogram-square-meter-per-square-second-ampere si, metric, prefixable weber 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
electric-inductance henry = kilogram-square-meter-per-square-second-square-ampere si, metric, prefixable henry 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
power watt = kilogram-square-meter-per-cubic-second si, metric, prefixable watt 1 1
ussystem, uksystem horsepower ~745.7 745.69987158227022
astronomical solar-luminosity 382.8×10ˆ24 382800000000000000000000000
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
voltage volt = kilogram-square-meter-per-cubic-second-ampere si, metric, prefixable volt 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
electric-resistance ohm = kilogram-square-meter-per-cubic-second-square-ampere si, metric, prefixable ohm 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
length meter si, metric, prefixable meter 1 1
si_acceptable, ussystem, uksystem nautical-mile 1,852 1852
si, metric 100-kilometer 100,000 100000
si_acceptable, astronomical astronomical-unit ~149.6×10ˆ9 149597870700
metric_adjacent, ussystem, uksystem point ~352.78×10ˆ-6 0.000352˙7
metric_adjacent mile-scandinavian 10,000 10000
ussystem, uksystem inch 0.0254 0.0254
foot 0.3048 0.3048
yard 0.9144 0.9144
fathom 1.8288 1.8288
rod 5.0292 5.0292
chain ~20.117 20.1168
furlong ~201.17 201.168
mile ~1,609.3 1609.344
jpsystem rin ~33.058×10ˆ-6 0.000˙0330578512396694214876
sun 2/605 0.0˙0330578512396694214876
shaku-length 4/121 0.˙0330578512396694214876
shaku-cloth 5/121 0.˙0413223140495867768595
ken ~0.19835 0.˙1983471074380165289256
jo-jp ~0.33058 0.˙3305785123966942148760
ri-jp ~428.43 428.˙4297520661157024793388
astronomical earth-radius 6,378,100 6378100
solar-radius 695.7×10ˆ6 695700000
light-year ~9.4607×10ˆ15 9460730472580800
astronomical, prefixable parsec ~30.857×10ˆ15 12,699,352,539,696,155,673,600,000/411557987
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
speed meter-per-second si_acceptable, ussystem, uksystem knot ~0.51444 0.51˙4
light-speed ~299.79×10ˆ6 299792458
metric_adjacent beaufort 0 0
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
acceleration meter-per-square-second metric_adjacent, ussystem, uksystem g-force ~9.8066 9.80665
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
area square-meter si_acceptable, metric hectare 10,000 10000
metric_adjacent dunam 1,000 1000
ussystem, uksystem acre ~4,046.9 4046.8564224
jpsystem bu-jp ~3.3058 3.˙3057851239669421487603
se-jp ~99.174 99.˙1735537190082644628099
cho ~9,917.4 9917.˙3553719008264462809917
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
ionizing-radiation gray = square-meter-per-square-second si, metric, prefixable gray 1 1
sievert
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
volume cubic-meter si_acceptable, metric, prefixable liter 1/1000 0.001
metric_adjacent cup-metric 1/4000 0.00025
pint-metric 1/2000 0.0005
ussystem drop ~51.343×10ˆ-9 0.0000000513429332682291˙6
pinch ~231.04×10ˆ-9 0.00000023104319970703125
dessert-spoon ~1.8483×10ˆ-6 0.00000184834559765625
uksystem dessert-spoon-imperial ~2.2198×10ˆ-6 0.0000022197705078125
ussystem dram ~3.6967×10ˆ-6 0.0000036966911953125
teaspoon ~4.9289×10ˆ-6 0.00000492892159375
tablespoon ~14.787×10ˆ-6 0.00001478676478125
uksystem fluid-ounce-imperial ~28.413×10ˆ-6 0.0000284130625
ussystem fluid-ounce ~29.574×10ˆ-6 0.0000295735295625
jigger ~44.36×10ˆ-6 0.00004436029434375
cup ~236.59×10ˆ-6 0.0002365882365
pint ~473.18×10ˆ-6 0.000473176473
uksystem pint-imperial ~568.26×10ˆ-6 0.00056826125
ussystem quart ~946.35×10ˆ-6 0.000946352946
uksystem quart-imperial ~0.0011365 0.0011365225
ussystem gallon ~0.0037854 0.003785411784
uksystem gallon-imperial ~0.0045461 0.00454609
ussystem bushel ~0.035239 0.03523907016688
barrel ~0.15899 0.158987294928
jpsystem sai ~1.8039×10ˆ-6 0.002401/1331
kosaji 5×10ˆ-6 0.000005
osaji 15×10ˆ-6 0.000015
shaku ~18.039×10ˆ-6 0.02401/1331
cup-jp 1/10000 0.0001
to-jp ~0.018039 24.01/1331
koku ~0.18039 240.1/1331
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
duration second si, metric, ussystem, uksystem, astronomical, prefixable second 1 1
si_acceptable, metric_adjacent, ussystem, uksystem, astronomical, prefixable minute 60 60
hour 3,600 3600
day 86,400 86400
metric_adjacent, ussystem, uksystem, astronomical week 604,800 604800
ussystem, uksystem fortnight 1,209,600 1209600
person_age day-person 86,400 86400
week-person 604,800 604800
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
electric-charge coulomb = second-ampere si, metric, prefixable coulomb 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
electric-conductance siemens = cubic-second-square-ampere-per-kilogram-square-meter si, metric, prefixable siemens 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
electric-capacitance farad = pow4-second-square-ampere-per-kilogram-square-meter si, metric, prefixable farad 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
year-duration year metric_adjacent, ussystem, uksystem, astronomical month 1/12 0.08˙3
metric_adjacent quarter 1/4 0.25
metric_adjacent, ussystem, uksystem, astronomical, prefixable year 1 1
metric_adjacent, ussystem, uksystem, astronomical decade 10 10
century 100 100
person_age month-person 1/12 0.08˙3
year-person 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
night-duration night metric_adjacent, ussystem, uksystem night 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
electric-current ampere si, metric, prefixable ampere 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
temperature kelvin si, metric celsius 1 1 273.15
si, metric, prefixable kelvin
ussystem, uksystem fahrenheit 5/9 0.˙5 255.37˙2
rankine
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
angle revolution si_acceptable, metric_adjacent, ussystem, uksystem, astronomical arc-second ~771.6×10ˆ-9 0.0000007˙716049382
arc-minute ~46.296×10ˆ-6 0.00004˙629
degree 1/360 0.002˙7
si, metric radian ~0.15915 65,501,488/411557987
metric_adjacent, ussystem, uksystem revolution 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
frequency hertz = revolution-per-second si, metric, prefixable hertz 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
solid-angle square-revolution si, metric steradian ~0.02533 4,290,444,930,214,144/169379976663492169
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
substance-amount item si, metric, prefixable mole ~602.21×10ˆ21 602214076000000000000000
metric_adjacent, ussystem, uksystem item 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
concentration-mass item-per-kilogram metric_adjacent ofglucose ~3.3427×10ˆ24 6,022,140,760,000,000,000,000,000,000,000/1801557
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
catalytic-activity item-per-second si, metric katal ~602.21×10ˆ21 602214076000000000000000
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
portion portion metric_adjacent, ussystem, uksystem permillion 1×10ˆ-6 0.000001
permyriad 1/10000 0.0001
permille 1/1000 0.001
percent 1/100 0.01
karat 1/24 0.041˙6
portion 1 1
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
digital bit metric_adjacent, ussystem, uksystem, prefixable bit 1 1
byte 8 8
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
graphics dot = pixel metric_adjacent, ussystem, uksystem dot 1 1
metric_adjacent, ussystem, uksystem, prefixable pixel
Quantity Target Systems Source Unit Approx. Factor Exact* Factor Offset
typewidth em metric_adjacent, ussystem, uksystem em 1 1

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