Watts to Horsepower (W to hp)

Convert watts to horsepower (mechanical) instantly. 1 watt = 0.0013410221 horsepower (mechanical), so multiply by 0.0013410221. Includes worked examples and a full W to hp table.

How to convert watts to horsepower (mechanical)

1 watt = 0.0013410221 horsepower (mechanical) and 1 horsepower (mechanical) = 745.6998716 watts. To convert watts to horsepower (mechanical), multiply by 0.0013410221:

hp = W × 0.0013410221

Examples

  • 100 W × 0.0013410221 = 0.134102209 hp
  • 746 W × 0.0013410221 = 1.000402479 hp
  • 1,000 W × 0.0013410221 = 1.34102209 hp

W to hp conversion table

Watts (W)Horsepower (mechanical) (hp)
1 W0.0013410221 hp
2 W0.0026820442 hp
3 W0.0040230663 hp
4 W0.0053640884 hp
5 W0.0067051104 hp
6 W0.0080461325 hp
7 W0.0093871546 hp
8 W0.0107281767 hp
9 W0.0120691988 hp
10 W0.0134102209 hp
12 W0.0160922651 hp
15 W0.0201153313 hp
20 W0.0268204418 hp
25 W0.0335255522 hp
30 W0.0402306627 hp
40 W0.0536408836 hp
50 W0.0670511045 hp
60 W0.0804613254 hp
70 W0.0938715463 hp
75 W0.1005766567 hp
80 W0.1072817672 hp
90 W0.1206919881 hp
100 W0.134102209 hp
150 W0.2011533134 hp
200 W0.2682044179 hp
250 W0.3352555224 hp
500 W0.6705110448 hp
1,000 W1.34102209 hp
5,000 W6.705110448 hp
10,000 W13.4102209 hp

What is a watt?

The watt is the SI unit of power, one joule per second.

What is a horsepower?

Mechanical horsepower is about 745.7 watts. It is used for engine power in the US and UK.

Related conversions

Horsepower (mechanical) to wattsHorsepower (mechanical) to kilowattsKilowatts to horsepower (mechanical)BTU per hour to wattsWatts to BTU per hourAll power units

Frequently asked questions

How do I convert watts to horsepower (mechanical)?

Multiply the value in watts by 0.0013410221. 1 watt = 0.0013410221 horsepower (mechanical).

How many watts are in one horsepower (mechanical)?

1 horsepower (mechanical) = 745.6998716 watts.

What is 746 W in hp?

746 W = 1.000402479 hp.

What is 1,000 W in hp?

1,000 W = 1.34102209 hp.