| Parameter: | Metric Unit | British Units |
|---|---|---|
| time duration, delay | second * s | second, minute hour, day |
| frequency | hertz 1/s | cycle per second |
| length distance, displacement | meter 1/299 792 458 light sec m | inch, foot, yard rod, chain, furlong, mile |
| velocity, speed rate of change of position | meter per second m/s | foot per second mile per hour, knot |
| acceleration rate of change of velocity | meter per second squared m/s2 | foot per second squared |
| mass quantity of material | kilogram * kg | ounce, pound, slug, ton |
| force push, pull, or weight | newton kg m/s2 | pound-force |
| impulse force times time | newton second kg m/s | pound-force second |
| momentum mass times velocity | kilogram meter per second kg m/s | pound foot per second |
| work, energy force times distance | joule (pronounced "jewel") = one newton meter kg m2/s2 | foot pound-force |
| power rate of doing work | watt = one joule per second kg m2/s3 | foot pound-force per second horsepower |
| area size of a surface | square meter m2 | square foot, square yard acre, square mile |
| pressure force per unit area | pascal newton per square meter kg/m s2 | pound-force per square inch |
| volume, capacity | cubic meter (stere) m3 | pint, quart, gallon cubic foot, cubic yard |
| density, heaviness | grams per cubic centimeter g/cm3 | pounds per cubic foot |
| Parameter: | Metric Heat Unit | British Heat Unit |
|---|---|---|
| heat energy | joule, j calorie, Calorie 1 cal = 4.186 joules 1 Cal = 4186 joules | British Thermal Unit, BTU |
| temperature change | kelvins, K * | Fahrenheit degree, Fº |
| temperature | kelvins, K | degrees Fahrenheit, ºF |
| Parameter: | Metric Light Unit |
|---|---|
| luminous intensity | candle * |
| luminous flux | lumen one candle produces 4 pi lumens |
| illumination | lux lumen per square meter |
| focus | diopter reciprocal meters |
| astronomical distance | parsec |
| Parameter: | Metric Electrical Unit |
|---|---|
| electric charge | coulomb * 96,500 coul = 1 faraday faraday = 1 mole of electrons |
| electromotive force (EMF) | volt (joule per coulomb) |
| capacitance | farad (coulomb per volt) |
| electric current | ampere (coulomb per second) |
| electric energy | joule (watt second) (newton meter) KWH = 3,600,000 joules |
| electric power | watt (joule per second) |
| electrical resistance | ohm (volt per ampere) |
| electrical conductivity | siemens (coulomb per joule) (ampere per volt) |
| electrical field strength | volts per meter |
| electromagnetic inductance | henry (pl. henrys) |
| magnetic field intensity | oersted (formerly the gauss) |
| magnetic flux | weber (108 maxwells) |
| magnetic flux density | tesla weber per square meter |
| magnetomotive force | gilbert |
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