Symbol | Unit Name | Measures |
---|---|---|
m | meter | length |
s | second | time |
kg | kilogram | mass |
K | kelvin | temperature |
A | ampere | current |
mol | mole | number of particles |
cd | candela | luminous intensity |
Symbol | Unit Name | Measures | Definition |
---|---|---|---|
°C | degree Celsius | temperature | K - 273.15 |
L | liter | volume | a cube 0.1 m on a side |
N | newton | force | kg * m / s2 |
J | joule | energy | N * m |
W | watt | power | J/s |
Pa | pascal | pressure | N/m2 |
Hz | hertz | frequency | 1/s |
C | coulomb | charge | A * s |
V | volt | potential | J/C = W/A |
ohm | resistance | V/A | |
ha | hectare | area | a square 100 m on a side |
rad | radian | plane angle | 1/(2) of a circle |
sr | steradian | solid angle | 1/(4) of a sphere |
S | siemens | conductance | 1/ = A/V |
F | farad | capacitance | C/V |
Wb | weber | magnetic flux | V * s |
T | tesla | magnetic flux density | Wb/m2 |
H | henry | inductance | Wb/A |
lm | lumen | luminous flux | cd * sr |
lx | lux | illuminance (illumination) | lm/m2 |
Bq | becquerel | radioactivity | 1/s (decays per second) |
Gy | gray | absorbed dose | J/kg (of body mass) |
Sv | sievert | dose equivalent | Gy·Q·N (Q = quality factor) |
kat | katal | catalytic activity | mol/s |