Units of Power

2 units of power in the database, across 2 measurement systems, each with its exact or best-known SI value.

UnitSymbolQuantityValue in SI
WattWPower1 W = 1 J/s = 1 kg·m²·s⁻³
Mechanical horsepowerhpPower550 ft·lbf/s ≈ 745.7 W