Horsepower to Watts Converter
Convert horsepower (hp) to watts (W)
Result
745.6998716 W
Watts
1 hp = 745.6998716 W
1 hp in other units
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How to convert horsepower to watts
One horsepower equals 745.6999 watts, so multiply the number of horsepower by 745.6999.
W = hp × 745.6999
1 hp = 745.6999 W · 1 W = 0.001341022 hp
Worked example
To convert 5 horsepower to watts: 5 hp × 745.6999 = 3,728.499 W.
About horsepower (hp)
Mechanical horsepower is about 745.7 W. Engine power in the US and UK is often in hp or bhp.
About watts (W)
The watt is the SI unit of power: one joule per second. Bulbs and appliances are rated in watts.
More conversions
Horsepower to other units
Frequently asked questions
How many watts are in one horsepower?
One horsepower equals 745.6999 watts.
How many horsepower are in one watt?
One watt equals 0.001341022 horsepower.
How do I convert horsepower to watts?
Use the formula W = hp × 745.6999. For example, 5 hp × 745.6999 = 3,728.499 W.