Horsepower to Watts (hp to W) Converter
1 mechanical horsepower = 745.699872 watts. Enter any power in hp to convert to watts.
Formula:1 hp = 745.7 W
Quick conversion table — Horsepower (mech) to Watt
0.5 hp372.85 W
1 hp745.7 W
2 hp1,491.4 W
5 hp3,728.5 W
10 hp7,457 W
20 hp14,914 W
50 hp37,285 W
100 hp74,570 W
500 hp372,850 W
1,000 hp745,700 W
How to convert hp to w
To convert horsepower to watts, use the formula: 1 hp = 745.7 W. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.
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