Convert watts to horsepower
1 W = 0.00134102 hp
1 hp = 745.7 W
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How to convert watts to horsepower
Divide the value in watts by 745.699872 to get horsepower. As a formula: hp = W ÷ 745.699872
Good to know
Divide watts by 745.7 for mechanical horsepower: a 750 W motor is about 1.006 hp. NIST also lists an electrical horsepower of exactly 746 W, so a few motor ratings differ in the last digit.
watts to horsepower conversion table
| watts (W) | horsepower (hp) |
|---|---|
| 100 W | 0.134102 hp |
| 250 W | 0.335256 hp |
| 373 W | 0.500201 hp |
| 500 W | 0.670511 hp |
| 746 W | 1.0004 hp |
| 750 W | 1.00577 hp |
| 1,000 W | 1.34102 hp |
| 1,500 W | 2.01153 hp |
| 2,000 W | 2.68204 hp |
| 3,000 W | 4.02307 hp |
| 5,000 W | 6.70511 hp |
Related conversions
Need other units? The full Power Unit Converter converts between every unit it supports, and the Unit Converters page lists the rest.
watts to horsepower — questions
How many horsepower are in 1 W?
1 W = 0.00134102 hp. Divide the value in watts by 745.699872 to get horsepower.
How do I convert watts to horsepower?
Divide the value in watts by 745.699872. For example, 100 W ÷ 745.699872 = 0.134102 hp.
What is 100 W in horsepower?
100 W = 0.134102 hp.
What is 500 W in horsepower?
500 W = 0.670511 hp.
What is 750 W in horsepower?
750 W = 1.00577 hp.
What is 1,000 W in horsepower?
1,000 W = 1.34102 hp.