Power Unit Converter

SI unit of power equal to one joule per second. Fundamental unit for all power calculations.

Common unit for electrical motors, generators, and building electrical loads.

Used for power plant capacity, large industrial loads, and utility-scale energy systems.

Used for national power grid capacity and very large-scale energy production.

Imperial mechanical horsepower (550 ft·lbf/s). Standard for motors and engines in US practice.

Metric horsepower (75 kgf·m/s). Used in European automotive specifications (PS = Pferdestärke).

Exactly 746 watts. Used for rating electric motors in the United States.

Standard US unit for heating and cooling capacity. Essential for HVAC load calculations.

Used for high-power thermal processes and rapid heat transfer calculations.

Used in some international HVAC applications and older European heating specifications.

Fundamental US customary power unit. 550 ft·lbf/s = 1 mechanical horsepower.

Used in some mechanical power calculations and older engineering references.

Standard unit for cooling capacity. 1 RT = 12,000 BTU/h. Essential for HVAC chiller sizing.

CGS unit of power. Used in some scientific and astrophysical applications.