Watts to Horsepower

Convert watts to horsepower instantly. 1 W = 0.00134102 hp

Result

1.0004hp

746 W = 1.0004 horsepowerFormula: W ÷ 745.7

Quick answers

Watts to Horsepower conversion table

Watts (W)Horsepower (hp)
1 W0.001341 hp
2 W0.002682 hp
3 W0.0040231 hp
4 W0.0053641 hp
5 W0.0067051 hp
6 W0.0080461 hp
7 W0.0093872 hp
8 W0.010728 hp
9 W0.012069 hp
10 W0.01341 hp
15 W0.020115 hp
Watts (W)Horsepower (hp)
20 W0.02682 hp
25 W0.033526 hp
30 W0.040231 hp
40 W0.053641 hp
50 W0.067051 hp
75 W0.10058 hp
100 W0.1341 hp
250 W0.33526 hp
500 W0.67051 hp
1,000 W1.341 hp

Conversion formula

horsepower = watts × 0.00134102209

Example: 746 W × 0.00134102209 = 1.0004 hp

The watt is the SI unit of power, one joule per second. Mechanical horsepower, used in the US and UK, is 550 foot-pounds per second, about 745.7 watts.

You may also see this conversion written as “watts to hp”.

Questions

How many horsepower are in one watt?

One watt is 0.00134102209 horsepower.

How do you convert watts to horsepower?

Multiply by 0.00134102209. The factor comes from the exact definitions of both units, so the only rounding is in the display.

Updated