Watts to Horsepower Converter
Convert watts (W) to horsepower (hp)
Result
0.00134102209 hp
Horsepower
1 W = 0.00134102209 hp
1 W in other units
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How to convert watts to horsepower
One watt equals 0.001341022 horsepower, so multiply the number of watts by 0.001341022.
hp = W × 0.001341022
1 W = 0.001341022 hp · 1 hp = 745.6999 W
Worked example
To convert 5 watts to horsepower: 5 W × 0.001341022 = 0.00670511 hp.
About watts (W)
The watt is the SI unit of power: one joule per second. Bulbs and appliances are rated in watts.
About horsepower (hp)
Mechanical horsepower is about 745.7 W. Engine power in the US and UK is often in hp or bhp.
More conversions
Watts to other units
Frequently asked questions
How many horsepower are in one watt?
One watt equals 0.001341022 horsepower.
How many watts are in one horsepower?
One horsepower equals 745.6999 watts.
How do I convert watts to horsepower?
Use the formula hp = W × 0.001341022. For example, 5 W × 0.001341022 = 0.00670511 hp.