Watts to Horsepower
Convert watts (W) to horsepower (hp). Type in either box; the other updates as you go.
1 watt equals0.00134102209 hp
1 horsepower equals745.6998716 W
Formulahp = W × 0.00134102209
How to convert watts to horsepower
To convert watts to horsepower, multiply the number of watts by 0.00134102209.
hp = W × 0.00134102209
Example
Convert 5 watts to horsepower:
5 W × 0.00134102209 = 0.00670511 hp
Watt to horsepower conversion chart
| Watts (W) | Horsepower (hp) |
|---|---|
| 1 W | 0.001341022 hp |
| 2 W | 0.002682044 hp |
| 3 W | 0.004023066 hp |
| 4 W | 0.005364088 hp |
| 5 W | 0.00670511 hp |
| 6 W | 0.008046133 hp |
| 7 W | 0.009387155 hp |
| 8 W | 0.01072818 hp |
| 9 W | 0.0120692 hp |
| 10 W | 0.01341022 hp |
| 12 W | 0.01609227 hp |
| 15 W | 0.02011533 hp |
| 20 W | 0.02682044 hp |
| 25 W | 0.03352555 hp |
| 30 W | 0.04023066 hp |
| 40 W | 0.05364088 hp |
| 50 W | 0.0670511 hp |
| 60 W | 0.08046133 hp |
| 70 W | 0.09387155 hp |
| 75 W | 0.1005767 hp |
| 80 W | 0.1072818 hp |
| 90 W | 0.120692 hp |
| 100 W | 0.1341022 hp |
| 150 W | 0.2011533 hp |
| 200 W | 0.2682044 hp |
| 250 W | 0.3352555 hp |
| 500 W | 0.670511 hp |
| 1,000 W | 1.341022 hp |
Going the other way? See the horsepower to watts chart.
About the units
Watt (W)
The watt is the SI unit of power, one joule per second.
Horsepower (hp)
Mechanical (imperial) horsepower is 550 foot-pounds per second, about 745.7 watts. US car engines are rated in it.
Frequently asked questions
How many horsepower are in a watt?
There are 0.00134102209 horsepower in a watt.
How many watts are in a horsepower?
There are 745.6998716 watts in a horsepower.
How do you convert watts to horsepower?
To convert watts to horsepower, multiply the number of watts by 0.00134102209.
What is 5 watts in horsepower?
5 watts equals 0.00670511 horsepower.
Convert between watts, kilowatts, horsepower and BTU per hour. Open the power converter to see a value in every unit at once.