metrisch/metric-US.html
Metric units already (widely) used in the US
| Physical quantity | Unit | Symbol | In other S.I. units | In S.I. base units |
|---|---|---|---|---|
| time | second | s | s | |
| power | watt | W | J/s | kg m2s−3 |
| electrical current | amp, ampere | A | A | |
| electrical tension, voltage | volt | V | J s−1 A−1 | kg m2s-3A−1 |
| electrical resistance | ohm | Ω | J s−1 A−2 | kg m2s−3A−2 |
| body mass index, BMI | ΒΜΙ | kg/m2 | kg m-2 | |
| optical power (lens strength) | diopter | m-1 | ||
| frequency, pitch | hertz | Hz | s-1 | |
| equivalent dose | sievert | Sv | J/kg | m2s-2 |
| luminous flux (light output) | lumen | lm | cd sr | cd |
| wavelength | nanometer | nm | 10-9 m | |
| torque | newton meter | Nm | kg m2 s-2 | |
| distance | klick | km | 103 m |