Power Converter

Unit converter

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Power Converter

Convert between 12 power units instantly. Select your units from the Builder tab or type a conversion like "100 cm to inches" in the AI input. Every conversion shows the full step-by-step calculation.

This converter covers all standard power units including metric and imperial systems. Use the reference table below to see how each unit relates to the base unit (watt).

Complete list of Watts Power conversions

Watts to BTU per Hour Watts to Calorie per Second Watts to Foot-pound per Second Watts to Gigawatt Watts to Horsepower (electric) Watts to HP Watts to Horsepower (metric) Watts to kW Watts to Megawatt Watts to Milliwatt Watts to Ton of Refrigeration

Power units reference

Unit	Symbol	watt
BTU per Hour	BTU/hr	0.293071
Calorie per Second	cal/s	4.184
Foot-pound per Second	ft·lb/s	1.35582
Gigawatt	GW	1000000000
Horsepower (electric)	hp(E)	746
Horsepower (mechanical)	hp	745.7
Horsepower (metric)	PS	735.499
Kilowatt	kW	1000
Megawatt	MW	1000000
Milliwatt	mW	0.001
Ton of Refrigeration	TR	3516.85
Watt	W	1

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