Watts to Horsepower (W to hp) Converter
1 mechanical horsepower = 745.699872 watts. Used for electric motors, engines and power ratings.
Formula:1 hp = 745.7 W
Quick conversion table — Watt to Horsepower (mech)
0.5 W0.000670511 hp
1 W0.00134102 hp
2 W0.00268204 hp
5 W0.00670511 hp
10 W0.0134102 hp
20 W0.0268204 hp
50 W0.0670511 hp
100 W0.134102 hp
500 W0.670511 hp
1,000 W1.3410219 hp
How to convert w to hp
To convert watts to horsepower, 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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