Horsepower to watts
Type a value in hp to get it in W instantly.
74,569.99W
That's 34× as much power as a kettle, while a family car is 1.48× more. That is about 33.9 electric kettles running at once.
Convert the other way: W to hp
What it means
What could that run?
Appliance figures are typical. Car output is quoted at the engine, before losses through the gearbox.
The math
How to convert hp to W
To convert horsepower to watts, multiply by 745.7.
Example: 100 hp × 745.7 = 74,570 W.
In the other direction, 1 W = 0.00134102 hp.
Every unit
Your power in every unit
Tables
hp to W conversion table
| hp | W |
|---|---|
| 1 hp | 745.7 W |
| 2 hp | 1,491.4 W |
| 5 hp | 3,728.5 W |
| 10 hp | 7,457 W |
| 20 hp | 14,914 W |
| 25 hp | 18,642.5 W |
| 50 hp | 37,285 W |
| 75 hp | 55,927.5 W |
| 100 hp | 74,570 W |
| 150 hp | 111,855 W |
| 200 hp | 149,140 W |
| 250 hp | 186,425 W |
| 500 hp | 372,850 W |
| 1,000 hp | 745,700 W |
W to hp conversion table
| W | hp |
|---|---|
| 1 W | 0.00134102 hp |
| 2 W | 0.00268204 hp |
| 5 W | 0.00670511 hp |
| 10 W | 0.0134102 hp |
| 20 W | 0.0268204 hp |
| 25 W | 0.0335256 hp |
| 50 W | 0.0670511 hp |
| 75 W | 0.100577 hp |
| 100 W | 0.134102 hp |
| 150 W | 0.201153 hp |
| 200 W | 0.268204 hp |
| 250 W | 0.335256 hp |
| 500 W | 0.670511 hp |
| 1,000 W | 1.34102 hp |
Quick answers
Quick answers
- How many W is 1 hp?
- 1 hp is 745.7 W.
- How many W is 10 hp?
- 10 hp is 7,457 W.
- How many W is 100 hp?
- 100 hp is 74,570 W.
The units
About these units
Horsepower (hp)
Mechanical horsepower is exactly 745.6999 watts, defined by James Watt from the pulling power of a brewery horse.
Watts (W)
The watt is the SI unit of power: one joule per second. An LED bulb draws about 8 W, a phone charger about 20 W.
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