# Units by Name

Unit | Type | Value | Expanded
--- | --- | --- | ---
$ | Money | us-dollar | $
% | Dimensionless | 0.01 | 0.01
a | Distance | 1e-10 m | 1.e-10 m
abamp | Current | 10 amps | 10 amp
abampere | Current | 10 amps | 10 amp
abamperes | Current | 10 amps | 10 amp
abamps | Current | 10 amps | 10 amp
abcoul | Charge | 10 coulomb | 10 s amp
abcoulomb | Charge | 10 coulomb | 10 s amp
abcoulombs | Charge | 10 coulomb | 10 s amp
abfarad | Capacitance | giga farad | 1000000 m^-2 gm^-1 s^4 amp^2
abfarads | Capacitance | giga farad | 1000000 m^-2 gm^-1 s^4 amp^2
abhenry | Inductance | nano henry | 1.e-06 m^2 gm s^-2 amp^-2
abhenrys | Inductance | nano henry | 1.e-06 m^2 gm s^-2 amp^-2
abohm | Resistance | nano ohm | 1.e-06 m^2 gm s^-3 amp^-2
abohms | Resistance | nano ohm | 1.e-06 m^2 gm s^-3 amp^-2
abvolt | Electric_potential | 1e-8 volt | 1.e-05 m^2 gm s^-3 amp^-1
abvolts | Electric_potential | 1e-8 volt | 1.e-05 m^2 gm s^-3 amp^-1
acre | Area | 43560 square feet | 4046.8564224 m^2
acres | Area | 43560 square feet | 4046.8564224 m^2
amp | Current | ampere | amp
ampere | Current | ampere | amp
amperes | Current | ampere | amp
amps | Current | ampere | amp
amu | Mass | 1.6605402e-27 kg | 1.6605402e-24 gm
angstrom | Distance | 1e-10 m | 1.e-10 m
angstroms | Distance | 1e-10 m | 1.e-10 m
arcmin | Dimensionless | deg / 60 | 0.000290888208666
arcminute | Dimensionless | deg / 60 | 0.000290888208666
arcminutes | Dimensionless | deg / 60 | 0.000290888208666
arcsec | Dimensionless | arcmin / 60 | 4.84813681109536e-06
arcsecond | Dimensionless | arcmin / 60 | 4.84813681109536e-06
arcseconds | Dimensionless | arcmin / 60 | 4.84813681109536e-06
are | Area | 100 square meters | 100 m^2
ares | Area | 100 square meters | 100 m^2
astronomical-unit | Distance | 1.49598e11 m | 149598000000 m
atm | Pressure | 101325 pascal | 101325000 m^-1 gm s^-2
atmosphere | Pressure | 101325 pascal | 101325000 m^-1 gm s^-2
atomic-mass-unit | Mass | 1.6605402e-27 kg | 1.6605402e-24 gm
atomic-mass-units | Mass | 1.6605402e-27 kg | 1.6605402e-24 gm
atto | prefix | 1.e-18 | 1.e-18
au | Distance | 1.49598e11 m | 149598000000 m
bar | Pressure | 1e5 pascal | 100000000 m^-1 gm s^-2
barn | Area | 1e-28 square meters | 1.e-28 m^2
barns | Area | 1e-28 square meters | 1.e-28 m^2
bars | Pressure | 1e5 pascal | 100000000 m^-1 gm s^-2
becquerel | Frequency | 1 hz | s^-1
billion | Dimensionless | 1e9 | 1000000000
billions | Dimensionless | 1e9 | 1000000000
billionth | Dimensionless | 1e-9 | 1.e-09
bit | Data | bit | bit
bits | Data | bit | bit
bq | Frequency | 1 hz | s^-1
british-thermal-unit | Energy | 1055.056 joule | 1055056 m^2 gm s^-2
british-thermal-units | Energy | 1055.056 joule | 1055056 m^2 gm s^-2
britishthermalunit | Energy | 1055.056 joule | 1055056 m^2 gm s^-2
britishthermalunits | Energy | 1055.056 joule | 1055056 m^2 gm s^-2
btu | Energy | 1055.056 joule | 1055056 m^2 gm s^-2
btus | Energy | 1055.056 joule | 1055056 m^2 gm s^-2
bushel | Volume | 4 pecks | 0.030283294272 m^3
bushels | Volume | 4 pecks | 0.030283294272 m^3
byte | Data | 8 bits | 8 bit
bytes | Data | 8 bits | 8 bit
c | Speed | 2.99792458e8 m/sec | 299792458 m s^-1
cal | Energy | 4.184 joules | 4184 m^2 gm s^-2
calorie | Energy | 4.184 joules | 4184 m^2 gm s^-2
calories | Energy | 4.184 joules | 4184 m^2 gm s^-2
candela | Luminosity | candela | cd
candelas | Luminosity | candela | cd
candle | Luminosity | candela | cd
candles | Luminosity | candela | cd
carat | Mass | 200 milligrams | 0.2 gm
carats | Mass | 200 milligrams | 0.2 gm
cc | Volume | cubic centimeter | 1.e-06 m^3
cd | Luminosity | candela | cd
centi | prefix | 0.01 | 0.01
centuries | Time | 100 yr | 3155760000 s
century | Time | 100 yr | 3155760000 s
cg | Mass | centigram | 0.01 gm
cl | Volume | centiliter | 1.e-05 m^3
cm | Distance | centimeter | 0.01 m
coul | Charge | ampere second | s amp
coulomb | Charge | ampere second | s amp
coulombs | Charge | ampere second | s amp
cup | Volume | pint/2 | 0.0002365882365 m^3
cups | Volume | pint/2 | 0.0002365882365 m^3
cycle | Dimensionless | 1 | 1
cycles | Dimensionless | 1 | 1
dag | Mass | decagram | 10 gm
day | Time | 24 hr | 86400 s
days | Time | 24 hr | 86400 s
deca | prefix | 10 | 10
deci | prefix | 0.1 | 0.1
deg | Dimensionless | pi radians / 180 | 0.017453292519943
degree | Dimensionless | pi radians / 180 | 0.017453292519943
degree-kelvin | Temperature | kelvin | k
degree-kelvins | Temperature | kelvin | k
degree-rankine | Temperature | 5/9 * kelvin | 0.555555555555556 k
degrees | Dimensionless | pi radians / 180 | 0.017453292519943
degrees-kelvin | Temperature | kelvin | k
degrees-rankine | Temperature | 5/9 * kelvin | 0.555555555555556 k
deka | prefix | 10 | 10
demi | prefix | 0.5 | 0.5
dg | Mass | decigram | 0.1 gm
dl | Volume | deciliter | 1.e-04 m^3
dollar | Money | us-dollar | $
dollars | Money | us-dollar | $
doz | Dimensionless | 12 | 12
dozen | Dimensionless | 12 | 12
dram | Mass | ounce / 16 | 1.7718451953125 gm
drams | Mass | ounce / 16 | 1.7718451953125 gm
dyne | Force | gm cm / s^2 | 0.01 m gm s^-2
dynes | Force | gm cm / s^2 | 0.01 m gm s^-2
e | Dimensionless | 2.7182818284590452354 | 2.71828182845905
earth-gravity | Acceleration | 9.80665 m/s^2 | 9.80665 m s^-2
eight | Dimensionless | 8 | 8
eighteen | Dimensionless | 18 | 18
eighteens | Dimensionless | 18 | 18
eighties | Dimensionless | 80 | 80
eights | Dimensionless | 8 | 8
eighty | Dimensionless | 80 | 80
electron-volt | Energy | 1.60217733e-19 joule | 1.60217733e-16 m^2 gm s^-2
electron-volts | Energy | 1.60217733e-19 joule | 1.60217733e-16 m^2 gm s^-2
electronvolt | Energy | 1.60217733e-19 joule | 1.60217733e-16 m^2 gm s^-2
electronvolts | Energy | 1.60217733e-19 joule | 1.60217733e-16 m^2 gm s^-2
elementary-charge | Charge | 1.6021892e-19 coulomb | 1.6021892e-19 s amp
eleven | Dimensionless | 11 | 11
elevens | Dimensionless | 11 | 11
eq | Charge | 1.6021892e-19 coulomb | 1.6021892e-19 s amp
erg | Energy | 1.0e-7 joule | 1.e-04 m^2 gm s^-2
ergs | Energy | 1.0e-7 joule | 1.e-04 m^2 gm s^-2
ev | Energy | 1.60217733e-19 joule | 1.60217733e-16 m^2 gm s^-2
exa | prefix | 1.e+18 | 1.e+18
exbi | prefix | 62 | 62
f | Capacitance | amp^2 s^4 / kg m^2 | 0.001 m^-2 gm^-1 s^4 amp^2
farad | Capacitance | amp^2 s^4 / kg m^2 | 0.001 m^-2 gm^-1 s^4 amp^2
farads | Capacitance | amp^2 s^4 / kg m^2 | 0.001 m^-2 gm^-1 s^4 amp^2
fathom | Distance | 2 yards | 1.8288 m
fathoms | Distance | 2 yards | 1.8288 m
feet | Distance | .3048 m | 0.3048 m
femto | prefix | 1.e-15 | 1.e-15
fifteen | Dimensionless | 15 | 15
fifteens | Dimensionless | 15 | 15
fifth | Volume | gallon/5 | 0.0007570823568 m^3
fifths | Volume | gallon/5 | 0.0007570823568 m^3
fifties | Dimensionless | 50 | 50
fifty | Dimensionless | 50 | 50
five | Dimensionless | 5 | 5
fives | Dimensionless | 5 | 5
floz | Volume | cup/8 | 2.95735295625e-05 m^3
fluid-ounce | Volume | cup/8 | 2.95735295625e-05 m^3
fluid-ounces | Volume | cup/8 | 2.95735295625e-05 m^3
fluidounce | Volume | cup/8 | 2.95735295625e-05 m^3
fluidounces | Volume | cup/8 | 2.95735295625e-05 m^3
fluidram | Volume | 3.5516 cc | 3.5516e-06 m^3
fluidrams | Volume | 3.5516 cc | 3.5516e-06 m^3
foot | Distance | .3048 m | 0.3048 m
foot-pound | Torque | foot pound-force | 1355.8179483314 m^2 gm s^-2
foot-pounds | Torque | foot pound-force | 1355.8179483314 m^2 gm s^-2
footpound | Torque | foot pound-force | 1355.8179483314 m^2 gm s^-2
footpounds | Torque | foot pound-force | 1355.8179483314 m^2 gm s^-2
forties | Dimensionless | 40 | 40
fortnight | Time | 2 week | 1209600 s
fortnights | Time | 2 week | 1209600 s
forty | Dimensionless | 40 | 40
four | Dimensionless | 4 | 4
fours | Dimensionless | 4 | 4
fourteen | Dimensionless | 14 | 14
fourteens | Dimensionless | 14 | 14
fourth | Dimensionless | 0.25 | 0.25
fourths | Dimensionless | 0.25 | 0.25
fps | Speed | ft/s | 0.3048 m s^-1
ft | Distance | .3048 m | 0.3048 m
ft-lb | Torque | foot pound-force | 1355.8179483314 m^2 gm s^-2
ftlb | Torque | foot pound-force | 1355.8179483314 m^2 gm s^-2
furlong | Distance | 40 rods | 201.168 m
furlongs | Distance | 40 rods | 201.168 m
g | Unknown | 6.6720e-11 m^3 / kg s^2 | 6.672e-14 m^3 gm^-1 s^-2
g0 | Acceleration | 9.80665 m/s^2 | 9.80665 m s^-2
gal | Volume | 3.785411784 liter | 0.003785411784 m^3
gallon | Volume | 3.785411784 liter | 0.003785411784 m^3
gallons | Volume | 3.785411784 liter | 0.003785411784 m^3
gauss | Magnetic_field | 1e-4 tesla | 0.1 gm s^-2 amp^-1
gev | Energy | giga electron-volt | 1.60217733e-07 m^2 gm s^-2
gibi | prefix | 28 | 28
giga | prefix | 1000000000 | 1000000000
gill | Volume | 4 fluid-ounces | 0.00011829411825 m^3
gills | Volume | 4 fluid-ounces | 0.00011829411825 m^3
gm | Mass | gram | gm
grain | Mass | .0648 gm | 0.0648 gm
grains | Mass | .0648 gm | 0.0648 gm
gram | Mass | gram | gm
gram-force | Force | gm g0 | 9.80665 m gm s^-2
gram-weight | Force | gm g0 | 9.80665 m gm s^-2
grams | Mass | gram | gm
gravitational-constant | Unknown | 6.6720e-11 m^3 / kg s^2 | 6.672e-14 m^3 gm^-1 s^-2
gray | Dose | joule / kg | m^2 s^-2
gross | Dimensionless | 144 | 144
gy | Dose | joule / kg | m^2 s^-2
h | Power | 6.626196e-34 j/s | 6.626196e-31 m^2 gm s^-3
half | Dimensionless | 0.5 | 0.5
halves | Dimensionless | 0.5 | 0.5
hectare | Area | 100 ares | 10000 m^2
hectares | Area | 100 ares | 10000 m^2
hecto | prefix | 100 | 100
henry | Inductance | kg m^2 / amp^2 s^2 | 1000 m^2 gm s^-2 amp^-2
henrys | Inductance | kg m^2 / amp^2 s^2 | 1000 m^2 gm s^-2 amp^-2
hertz | Frequency | 1/sec | s^-1
hg | Mass | hectogram | 100 gm
horsepower | Power | 550 foot pound-force / s | 745699.87158227 m^2 gm s^-3
hour | Time | 60 min | 3600 s
hours | Time | 60 min | 3600 s
hp | Power | 550 foot pound-force / s | 745699.87158227 m^2 gm s^-3
hr | Time | 60 min | 3600 s
hrs | Time | 60 min | 3600 s
hundred | Dimensionless | 100 | 100
hundreds | Dimensionless | 100 | 100
hundredth | Dimensionless | 0.01 | 0.01
hundredweight | Mass | 100 lbms | 45359.237 gm
hundredweights | Mass | 100 lbms | 45359.237 gm
hz | Frequency | 1/sec | s^-1
in | Distance | ft/12 | 0.0254 m
inch | Distance | ft/12 | 0.0254 m
inches | Distance | ft/12 | 0.0254 m
j | Energy | kg m^2 / s^2 | 1000 m^2 gm s^-2
j-point | Mass | 2 carats | 0.4 gm
joule | Energy | kg m^2 / s^2 | 1000 m^2 gm s^-2
joules | Energy | kg m^2 / s^2 | 1000 m^2 gm s^-2
k | Temperature | kelvin | k
karat | Mass | 200 milligrams | 0.2 gm
karats | Mass | 200 milligrams | 0.2 gm
kcal | Energy | kilocalorie | 4184000 m^2 gm s^-2
kelvin | Temperature | kelvin | k
kelvins | Temperature | kelvin | k
kg | Mass | kilogram | 1000 gm
kgf | Force | kilo gram-force | 9806.65 m gm s^-2
kibi | prefix | 8 | 8
kilo | prefix | 1000 | 1000
kilohm | Resistance | kilo ohm | 1000000 m^2 gm s^-3 amp^-2
kilohms | Resistance | kilo ohm | 1000000 m^2 gm s^-3 amp^-2
km | Distance | kilometer | 1000 m
knot | Speed | nm/hr | 0.514444444444444 m s^-1
knots | Speed | nm/hr | 0.514444444444444 m s^-1
kph | Speed | km/hr | 0.277777777777778 m s^-1
kps | Speed | km/s | 1000 m s^-1
kwh | Energy | kilowatt hour | 3600000000 m^2 gm s^-2
l | Volume | m^3/1000 | 0.001 m^3
lb | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
lbf | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
lbm | Mass | 0.45359237 kg | 453.59237 gm
lbms | Mass | 0.45359237 kg | 453.59237 gm
lbs | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
light-year | Distance | 9.46e15 m | 9.46e+15 m
light-years | Distance | 9.46e15 m | 9.46e+15 m
lightyear | Distance | 9.46e15 m | 9.46e+15 m
lightyears | Distance | 9.46e15 m | 9.46e+15 m
liter | Volume | m^3/1000 | 0.001 m^3
liters | Volume | m^3/1000 | 0.001 m^3
long-ton | Mass | 2240 lbms | 1016046.9088 gm
long-tons | Mass | 2240 lbms | 1016046.9088 gm
ly | Distance | 9.46e15 m | 9.46e+15 m
m | Distance | meter | m
ma | Current | milliamp | 0.001 amp
maxwell | Magnetic_flux | 1e-8 weber | 1.e-05 m^2 gm s^-2 amp^-1
maxwells | Magnetic_flux | 1e-8 weber | 1.e-05 m^2 gm s^-2 amp^-1
mebi | prefix | 22 | 22
mega | prefix | 1000000 | 1000000
megohm | Resistance | mega ohm | 1000000000 m^2 gm s^-3 amp^-2
megohms | Resistance | mega ohm | 1000000000 m^2 gm s^-3 amp^-2
meter | Distance | meter | m
meters | Distance | meter | m
metric-ton | Mass | 1000 kg | 1000000 gm
metric-tons | Mass | 1000 kg | 1000000 gm
mev | Energy | mega electron-volt | 1.60217733e-10 m^2 gm s^-2
mg | Mass | milligram | 0.001 gm
mh | Inductance | millihenry | m^2 gm s^-2 amp^-2
mho | Conductance | 1/ohm | 0.001 m^-2 gm^-1 s^3 amp^2
mhos | Conductance | 1/ohm | 0.001 m^-2 gm^-1 s^3 amp^2
mi | Distance | 5280 ft | 1609.344 m
micro | prefix | 1.e-06 | 1.e-06
micron | Distance | 1e-6 m | 1.e-06 m
microns | Distance | 1e-6 m | 1.e-06 m
mil | Distance | in/1000 | 2.54e-05 m
mile | Distance | 5280 ft | 1609.344 m
miles | Distance | 5280 ft | 1609.344 m
millenia | Time | 1000 yr | 31557600000 s
millenium | Time | 1000 yr | 31557600000 s
milli | prefix | 0.001 | 0.001
million | Dimensionless | 1e6 | 1000000
millions | Dimensionless | 1e6 | 1000000
millionth | Dimensionless | 1e-6 | 1.e-06
mils | Distance | in/1000 | 2.54e-05 m
min | Time | 60 s | 60 s
minim | Volume | 0.059194 cc | 5.9194e-08 m^3
minims | Volume | 0.059194 cc | 5.9194e-08 m^3
mins | Time | 60 s | 60 s
minute | Time | 60 s | 60 s
minutes | Time | 60 s | 60 s
ml | Volume | cubic centimeter | 1.e-06 m^3
mol | Substance | mole | mol
mole | Substance | mole | mol
moles | Substance | mole | mol
mon | Time | year / 12 | 2629800 s
mons | Time | year / 12 | 2629800 s
month | Time | year / 12 | 2629800 s
months | Time | year / 12 | 2629800 s
mph | Speed | mi/hr | 0.44704 m s^-1
mps | Speed | meter/s | m s^-1
ms | Time | millisecond | 0.001 s
msec | Time | millisecond | 0.001 s
msecs | Time | millisecond | 0.001 s
mv | Electric_potential | millivolt | m^2 gm s^-3 amp^-1
na | Unknown | 6.022169/mol | 6.022169 mol^-1
nano | prefix | 1.e-09 | 1.e-09
nautical-mile | Distance | 1852 m | 1852 m
nautical-miles | Distance | 1852 m | 1852 m
nauticalmile | Distance | 1852 m | 1852 m
nauticalmiles | Distance | 1852 m | 1852 m
newton | Force | kg m / s^2 | 1000 m gm s^-2
newtons | Force | kg m / s^2 | 1000 m gm s^-2
nine | Dimensionless | 9 | 9
nines | Dimensionless | 9 | 9
nineteen | Dimensionless | 19 | 19
nineteens | Dimensionless | 19 | 19
nineties | Dimensionless | 90 | 90
ninety | Dimensionless | 90 | 90
nm | Distance | 1852 m | 1852 m
ns | Time | nanosecond | 1.e-09 s
nsec | Time | nanosecond | 1.e-09 s
nsecs | Time | nanosecond | 1.e-09 s
nt | Force | kg m / s^2 | 1000 m gm s^-2
ohm | Resistance | kg m^2 / amp^2 s^3 | 1000 m^2 gm s^-3 amp^-2
ohms | Resistance | kg m^2 / amp^2 s^3 | 1000 m^2 gm s^-3 amp^-2
one | Dimensionless | 1 | 1
ones | Dimensionless | 1 | 1
ounce | Mass | lbm/16 | 28.349523125 gm
ounce-force | Force | pound-force / 16 | 278.013850953781 m gm s^-2
ounce-troy | Mass | 31.103 gm | 31.103 gm
ounces | Mass | lbm/16 | 28.349523125 gm
ounces-troy | Mass | 31.103 gm | 31.103 gm
oz | Mass | lbm/16 | 28.349523125 gm
ozf | Force | pound-force / 16 | 278.013850953781 m gm s^-2
pa | Pressure | newton / m^2 | 1000 m^-1 gm s^-2
parsec | Distance | 3.083e16 m | 3.083e+16 m
parsecs | Distance | 3.083e16 m | 3.083e+16 m
pascal | Pressure | newton / m^2 | 1000 m^-1 gm s^-2
pebi | prefix | 48 | 48
peck | Volume | 8 quarts | 0.007570823568 m^3
pecks | Volume | 8 quarts | 0.007570823568 m^3
pennyweight | Mass | 1.555 gm | 1.555 gm
pennyweights | Mass | 1.555 gm | 1.555 gm
percent | Dimensionless | 0.01 | 0.01
perch | Distance | 1 rod | 5.0292 m
perches | Distance | 1 rod | 5.0292 m
peta | prefix | 1.e+15 | 1.e+15
pf | Capacitance | picofarads | 1.e-15 m^-2 gm^-1 s^4 amp^2
pi | Dimensionless | 3.1415926535897932385 | 3.14159265358979
pica | Distance | in/6 | 0.004233333333333 m
pico | prefix | 1.e-12 | 1.e-12
pint | Volume | quart/2 | 0.000473176473 m^3
pints | Volume | quart/2 | 0.000473176473 m^3
point | Distance | pica/12 | 0.000352777777778 m
pole | Distance | 1 rod | 5.0292 m
poles | Distance | 1 rod | 5.0292 m
pound | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
pound-force | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
pound-mass | Mass | 0.45359237 kg | 453.59237 gm
pound-weight | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
pounds | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
pounds-force | Force | slug foot / s^2 | 4448.2216152605 m gm s^-2
pounds-mass | Mass | 0.45359237 kg | 453.59237 gm
ps | Time | picosecond | 1.e-12 s
psec | Time | picosecond | 1.e-12 s
psecs | Time | picosecond | 1.e-12 s
psi | Pressure | pounds per inch^2 | 6894757.29316836 m^-1 gm s^-2
pt | Volume | quart/2 | 0.000473176473 m^3
qt | Volume | gallon/4 | 0.000946352946 m^3
quadrillion | Dimensionless | 1e15 | 1.e+15
quadrillions | Dimensionless | 1e15 | 1.e+15
quadrillionth | Dimensionless | 1e-15 | 1.e-15
quart | Volume | gallon/4 | 0.000946352946 m^3
quarts | Volume | gallon/4 | 0.000946352946 m^3
quintillion | Dimensionless | 1e18 | 1.e+18
quintillions | Dimensionless | 1e18 | 1.e+18
quintillionth | Dimensionless | 1e-18 | 1.e-18
rad | Dose | gray / 100 | 0.01 m^2 s^-2
radian | Dimensionless | 1 | 1
radians | Dimensionless | 1 | 1
re | Distance | 6378388 m | 6378388 m
rem | Dose | sievert / 100 | 0.01 m^2 s^-2
revolution | Dimensionless | 1 | 1
revolutions | Dimensionless | 1 | 1
rod | Distance | 5.5 yards | 5.0292 m
rods | Distance | 5.5 yards | 5.0292 m
rp | Distance | 6356912 m | 6356912 m
rpm | Frequency | revolutions per minute | 0.016666666666667 s^-1
s | Time | second | s
score | Time | 20 yr | 631152000 s
scores | Time | 20 yr | 631152000 s
scruple | Mass | 1.296 gm | 1.296 gm
scruples | Mass | 1.296 gm | 1.296 gm
sec | Time | second | s
second | Time | second | s
seconds | Time | second | s
secs | Time | second | s
semi | prefix | 0.5 | 0.5
seven | Dimensionless | 7 | 7
sevens | Dimensionless | 7 | 7
seventeen | Dimensionless | 17 | 17
seventeens | Dimensionless | 17 | 17
seventies | Dimensionless | 70 | 70
seventy | Dimensionless | 70 | 70
short-ton | Mass | 2000 lbms | 907184.74 gm
short-tons | Mass | 2000 lbms | 907184.74 gm
siemens | Conductance | amp^2 s^3 / kg m^2 | 0.001 m^-2 gm^-1 s^3 amp^2
sievert | Dose | joule / kg | m^2 s^-2
six | Dimensionless | 6 | 6
sixes | Dimensionless | 6 | 6
sixteen | Dimensionless | 16 | 16
sixteens | Dimensionless | 16 | 16
sixties | Dimensionless | 60 | 60
sixty | Dimensionless | 60 | 60
slug | Mass | lbm g0 s^2/ft | 14593.9029372064 gm
slugs | Mass | lbm g0 s^2/ft | 14593.9029372064 gm
speed-of-light | Speed | 2.99792458e8 m/sec | 299792458 m s^-1
sr | Dimensionless | 1 | 1
statamp | Current | 3.336e-10 amps | 3.336e-10 amp
statampere | Current | 3.336e-10 amps | 3.336e-10 amp
statamperes | Current | 3.336e-10 amps | 3.336e-10 amp
statamps | Current | 3.336e-10 amps | 3.336e-10 amp
statcoul | Charge | 3.336e-10 coulomb | 3.336e-10 s amp
statcoulomb | Charge | 3.336e-10 coulomb | 3.336e-10 s amp
statcoulombs | Charge | 3.336e-10 coulomb | 3.336e-10 s amp
statfarad | Capacitance | 1.113e-12 farad | 1.113e-15 m^-2 gm^-1 s^4 amp^2
statfarads | Capacitance | 1.113e-12 farad | 1.113e-15 m^-2 gm^-1 s^4 amp^2
stathenry | Inductance | 8.987e11 henry | 898700000000000 m^2 gm s^-2 amp^-2
stathenrys | Inductance | 8.987e11 henry | 898700000000000 m^2 gm s^-2 amp^-2
statohm | Resistance | 8.987e11 ohm | 898700000000000 m^2 gm s^-3 amp^-2
statohms | Resistance | 8.987e11 ohm | 898700000000000 m^2 gm s^-3 amp^-2
statvolt | Electric_potential | 299.8 volt | 299800 m^2 gm s^-3 amp^-1
statvolts | Electric_potential | 299.8 volt | 299800 m^2 gm s^-3 amp^-1
steradian | Dimensionless | 1 | 1
steradians | Dimensionless | 1 | 1
stone | Mass | 14 lbm | 6350.29318 gm
stones | Mass | 14 lbm | 6350.29318 gm
sv | Dose | joule / kg | m^2 s^-2
tablespoon | Volume | fluid-ounce / 2 | 1.478676478125e-05 m^3
tablespoons | Volume | fluid-ounce / 2 | 1.478676478125e-05 m^3
tbsp | Volume | fluid-ounce / 2 | 1.478676478125e-05 m^3
teaspoon | Volume | tablespoon / 3 | 4.92892159375e-06 m^3
teaspoons | Volume | tablespoon / 3 | 4.92892159375e-06 m^3
tebi | prefix | 42 | 42
ten | Dimensionless | 10 | 10
tens | Dimensionless | 10 | 10
tenth | Dimensionless | 0.1 | 0.1
tera | prefix | 1000000000000 | 1000000000000
tesla | Magnetic_field | kg / amp sec^2 | 1000 gm s^-2 amp^-1
teslas | Magnetic_field | kg / amp sec^2 | 1000 gm s^-2 amp^-1
tev | Energy | tera electron-volt | 0.000160217733 m^2 gm s^-2
third | Dimensionless | 1/3 | 0.333333333333333
thirds | Dimensionless | 1/3 | 0.333333333333333
thirteen | Dimensionless | 13 | 13
thirteens | Dimensionless | 13 | 13
thirties | Dimensionless | 30 | 30
thirty | Dimensionless | 30 | 30
thousand | Dimensionless | 1000 | 1000
thousands | Dimensionless | 1000 | 1000
thousandth | Dimensionless | 0.001 | 0.001
three | Dimensionless | 3 | 3
threes | Dimensionless | 3 | 3
ton | Mass | 2000 lbms | 907184.74 gm
tonne | Mass | 1000 kg | 1000000 gm
tonnes | Mass | 1000 kg | 1000000 gm
tons | Mass | 2000 lbms | 907184.74 gm
torr | Pressure | (101325 / 760) pascal | 133322.368421053 m^-1 gm s^-2
trillion | Dimensionless | 1e12 | 1000000000000
trillions | Dimensionless | 1e12 | 1000000000000
trillionth | Dimensionless | 1e-12 | 1.e-12
troy-ounce | Mass | 31.103 gm | 31.103 gm
troy-ounces | Mass | 31.103 gm | 31.103 gm
troy-pound | Mass | 0.373 kg | 373 gm
troy-pounds | Mass | 0.373 kg | 373 gm
tsp | Volume | tablespoon / 3 | 4.92892159375e-06 m^3
twelve | Dimensionless | 12 | 12
twelves | Dimensionless | 12 | 12
twenties | Dimensionless | 20 | 20
twenty | Dimensionless | 20 | 20
two | Dimensionless | 2 | 2
twos | Dimensionless | 2 | 2
u | Mass | 1.6605402e-27 kg | 1.6605402e-24 gm
ua | Current | microamp | 1.e-06 amp
uf | Capacitance | microfarad | 1.e-09 m^-2 gm^-1 s^4 amp^2
ug | Mass | microgram | 1.e-06 gm
uh | Inductance | microhenry | 0.001 m^2 gm s^-2 amp^-2
um | Distance | 1e-6 m | 1.e-06 m
unity | Dimensionless | 1 | 1
us | Time | microsecond | 1.e-06 s
us-dollar | Money | us-dollar | $
us-dollars | Money | us-dollar | $
usec | Time | microsecond | 1.e-06 s
usecs | Time | microsecond | 1.e-06 s
uv | Electric_potential | microvolt | 0.001 m^2 gm s^-3 amp^-1
v | Electric_potential | kg m^2 / amp s^3 | 1000 m^2 gm s^-3 amp^-1
volt | Electric_potential | kg m^2 / amp s^3 | 1000 m^2 gm s^-3 amp^-1
volts | Electric_potential | kg m^2 / amp s^3 | 1000 m^2 gm s^-3 amp^-1
w | Power | kg m^2 / s^3 | 1000 m^2 gm s^-3
watt | Power | kg m^2 / s^3 | 1000 m^2 gm s^-3
watts | Power | kg m^2 / s^3 | 1000 m^2 gm s^-3
wb | Magnetic_flux | kg m^2 / amp s^2 | 1000 m^2 gm s^-2 amp^-1
weber | Magnetic_flux | kg m^2 / amp s^2 | 1000 m^2 gm s^-2 amp^-1
webers | Magnetic_flux | kg m^2 / amp s^2 | 1000 m^2 gm s^-2 amp^-1
week | Time | 7 days | 604800 s
weeks | Time | 7 days | 604800 s
wk | Time | 7 days | 604800 s
yard | Distance | 3 ft | 0.9144 m
yards | Distance | 3 ft | 0.9144 m
year | Time | 365.25 days | 31557600 s
years | Time | 365.25 days | 31557600 s
yocto | prefix | 1.e-24 | 1.e-24
yotta | prefix | 1.e+24 | 1.e+24
yr | Time | 365.25 days | 31557600 s
yrs | Time | 365.25 days | 31557600 s
zepto | prefix | 1.e-21 | 1.e-21
zetta | prefix | 1.e+21 | 1.e+21