|
Unit Name |
Value in SI Units |
|
a (Are) |
100 m2 |
|
A (Ampere) |
1 A |
|
acre (Acre) |
4046.87260987 m2 |
|
arcmin (Minute of arc) |
2.9088820866 x 10-4 r |
|
arcs (Second of arc) |
4.848136111 x 10-6 r |
|
atm (Attmosphere) |
101325 Kg/m·s2 |
|
au (Astronomical unit) |
1.495979 x 1011 m |
|
Å (Angstrom) |
1 x 10-10 m |
|
b (Barn) |
1 x 10-28 m2 |
|
bar (Bar) |
100000 Kg/m·s2 |
|
bbl (Barrel) |
.158987294928 m3 |
|
Bq (becquerel) |
1 l/s |
|
Btu (International Table Btu) |
1055.05585262 Kg·m2/s2 |
|
bu (Bushel) |
.03523907 m3 |
|
ºC (Degree Celsius) |
274.15 K |
|
c (Speed of light) |
299792458 m/s |
|
C (Coulomb) |
1 A·s |
|
cal (Calorie) |
4.1868 Kg·m2/s2 |
|
cd (Candela) |
1 cd |
|
chain (Chain) |
20.1168402337 m |
|
Ci (Curie) |
3.7 x 1010 l/s |
|
ct (Carat) |
.0002 Kg |
|
cu (US cup) |
2.365882365 x 10-4 m3 |
|
º (Degree) |
1.74532925199 x 10-2 r |
|
d (day) |
86400 s |
|
dyn (Dyne) |
.00001 Kg·m/s2 |
|
erg (Erg) |
.0000001 Kg·m2/s2 |
|
eV (Electron volt) |
1.60217733 x 10-19 Kg·m2/s2 |
|
F (Farad) |
1 A2·s4/Kg·m2 |
|
ºF (Degrees Fahrenheit) |
5 / 9 F or 46067 / 180 K |
|
fath (Fathom) |
1.82880365761 m |
|
fbm (Board foot) |
.002359737216 m3 |
|
fc (Footcandle) |
10.7639104167 cd·sr/m2 |
|
Fdy (Faraday) |
96487 A·s |
|
fermi (Fermi) |
1 x 10-15 m |
|
flam (Footlambert) |
3.42625909964 cd/m2 |
|
ft (International foot) |
.3048 m |
|
ftUS (Survey foot) |
.304800609601 m |
|
g (Gram) |
.001 Kg |
|
ga (Standard freefall) |
9.80665 m/s2 |
|
gal (US gallon) |
.003785411784 m3 |
|
galC (Canadian gallon) |
.00454609 m3 |
|
galUK (UK gallon) |
.004546092 m3 |
|
gf (Gram-force) |
.00980665 Kg·m/s2 |
|
grad (Grade) |
1.57079632679 x 10-2 r |
|
grain (Grain) |
.00006479891 Kg |
|
Gy (Gray) |
1 m2/s2 |
|
H (Henry) |
1 Kg·m2/A2·s2 |
|
ha (Hectare) |
10000 m 2 |
|
h (Hour) |
3600 s |
|
hp (horsepower) |
745.699871582 Kg·m2/s2 |
|
Hz (Hertz) |
1/s |
|
in (Inch) |
.0254 |
|
inHg (Inches of mercury, 0ºC) |
3386.38815789 Kg/m·s2 |
|
inH2O (Inches of water, 60 ºF) |
248.84 Kg/m·s2 |
|
J (Joule) |
1 Kg·m2/s2 |
|
K (Kelvins) |
1 K |
|
Kg (Kilogram) |
1 Kg |
|
kip (Kilopound-fource) |
4448.22161526 Kg·m/s2 |
|
Knot (Nautical miles per hour) |
463 / 900 m/s |
|
kph (Kilometers per hour) |
5 / 18 m/s |
|
l (Liter) |
.001 m3 |
|
lam (Lambert) |
3183.09886184 cd/m2 |
|
lb (Avoirdupois pound) |
.45359267 Kg |
|
lbf (Pound-force) |
4.44822161526 Kg·m/s2 |
|
lbt (Troy pound) |
.3732417216 Kg |
|
lm (Lumen) |
1 cd·sr |
|
lx (Lux) |
1 cd·sr/m2 |
|
lyr (Light year) |
9.46052840488 x 1015 m |
|
m (Meter) |
1 m |
(Micron) |
1 x 10-6 m |
|
mho (Mho) |
1 A2·s2/Kg·m2 |
|
mi (International mile) |
1609.344 m |
|
mil (Mil) |
.0000254 m |
|
min (Minute) |
60 s |
|
miUS (US statute mile) |
1609.34721869 m |
|
mmHg (Milimeter of mercury (torr), ºC) |
133.322368421 Kg/m·s2 |
|
mol (Mole) |
1 mol |
|
mph (Miles per hour) |
.44704 m/s |
|
N (Newton) |
1 Kg·m/s2 |
|
nmi (Nautical mile) |
1852 m |
(Ohm) |
1 Kg·m2/A2·s3 |
|
oz (Ounce) |
.028349523125 Kg |
|
ozfl (US fluid ounce) |
2.95735295625 x 10-5 m3 |
|
ozt (Troy ounce) |
.0311034768 Kg |
|
OzUK (UK fluid ounce) |
2.8413075 x 10-5 m3 |
|
P (Poise) |
.1 Kg/m·s |
|
Pa (Pascal) |
1 Kg/m·s |
|
pc (Parsec) |
3.08567818585 x 106 m |
|
Pdl (Poundal) |
.13825495376 Kg·m/s2 |
|
ph (Phot) |
10000 cd·sr/m2 |
|
pk (Peck) |
.0088097675 m3 |
|
psi (Pounds per square inch) |
6894.75729317 Kg/m
s2 |
|
pt (Pint) |
.000473176473 m3 |
|
qt (Quart) |
.000946352946 m3 |
|
r (Radian) |
1 r |
|
R (Roentgen) |
.000258 A
s/Kg |
|
ºR (Degrees Rankine) |
0.555555555556 K |
|
rad (Rad) |
.01 m2/s2 |
|
rd (Rod) |
5.02921005842 m |
|
rem (Rem) |
.01 m2/s2 |
|
s (Second) |
1 s |
|
S (Siemens) |
1 A2
s3/Kg
m2 |
|
sb (Stilb) |
10000 cd/m2 |
|
slug (Slug) |
14.5939029372 Kg |
|
sr (Steradian) |
1 sr |
|
st (Stere) |
1 m3 |
|
St (Stokes) |
.0001 m2/s |
|
Sv (Sievert) |
1 m2/s2 |
|
t (Metric ton) |
1000 Kg |
|
T (Tesla) |
1 Kg/A
s2 |
|
tbsp (Tablespoon) |
1.47867647813 x 10-5 m3 |
|
therm (EEC therm) |
105506000 Kg
m2/s2 |
|
ton (Short ton) |
907.18474 Kg |
|
tonUK (Long (UK)) |
1016.0469088 Kg |
|
torr (Torr (mmHg)) |
133.322368421 Kg/m2 |
|
tsp (Teaspoon) |
4.92892159375 x 10-6 m3 |
|
U (Unified atomic mass) |
1.6605402 x 10-27 Kg |
|
V (Volt) |
1 Kg
m2/A
s2 |
|
W (Watt) |
1 Kg
m2/s3 |
|
Wb (Weber) |
1 Kg
m2/A
s2 |
|
yd (International yard) |
.9144 m |
|
yr (Year) |
31556925.9747 s |