All other units combine length, time, and mass units {fundamental unit}| {absolute unit}. The seven fundamental SI units are length {meter, length unit}, time {second, time unit}, mass {kilogram, mass}, electric current {ampere}, thermodynamic temperature {Kelvin, thermodynamic temperature}, substance amount {mole, particle number}, and light intensity {candela, light intensity}.
derived units
The 22 derived SI units are plane angle {radian, plane angle}, solid angle {steradian, angle}, force {newton}, pressure {pascal}, energy {joule}, power {watt}, temperature {Celsius, temperature}, electric charge {coulomb, electric charge}, electric potential {volt}, electric capacitance {farad}, electric resistance {ohm}, electric conductance {siemens}, magnetic flux {weber}, magnetic flux density {tesla}, magnetic inductance {henry}, light flux {lumen, light flux}, illuminance {lux}, frequency {hertz}, rates and radioactivity {becquerel, radioactivity rate}, radiation dose {gray} {sievert}, and catalytic activity {katal}.
Physical Sciences>Physics>Measurement>Units
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224