🔌 Power converter
Horsepower to Watts Converter
Convert horsepower (hp) to watts (W) instantly. Includes formula, worked example, and a full reference chart from 1 to 1000 hp.
Horsepower
hp
Watts
W
How to convert horsepower to watts
One mechanical horsepower equals 745.6999 watts. To convert horsepower to watts, multiply by 745.6999.
Formula
watts = hp × 745.6999
Worked example
Convert 1 hp to W:
1 hp × 745.6998715822702 → 745.699872 W
1 hp × 745.6998715822702 → 745.699872 W
Common horsepower to watts values
Quick reference for common horsepower values:
- 1 hp = 745.699872 W
- 5 hp = 3,728.4994 W
- 10 hp = 7,456.9987 W
- 100 hp = 74,569.9872 W
Horsepower to Watts conversion table
Full reference chart — useful for cooking, fitness, engineering, or homework.
| Horsepower | Watts |
|---|---|
| 1 hp | 745.699872 W |
| 2 hp | 1,491.3997 W |
| 3 hp | 2,237.0996 W |
| 5 hp | 3,728.4994 W |
| 10 hp | 7,456.9987 W |
| 20 hp | 14,913.9974 W |
| 25 hp | 18,642.4968 W |
| 50 hp | 37,284.9936 W |
| 75 hp | 55,927.4904 W |
| 100 hp | 74,569.9872 W |
| 250 hp | 186,424.9679 W |
| 500 hp | 372,849.9358 W |
| 1000 hp | 745,699.8716 W |
Watts to Horsepower table (reverse)
Looking the other way? Here's the reverse conversion:
| Watts | Horsepower |
|---|---|
| 1 W | 0.00134102 hp |
| 2 W | 0.00268204 hp |
| 3 W | 0.00402307 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 |
| 250 W | 0.335256 hp |
| 500 W | 0.670511 hp |
| 1000 W | 1.341022 hp |
Frequently asked questions
How many watts are in 1 horsepower?
There are 745.699872 W in 1 hp.
How many watts are in 10 horsepower?
10 hp = 7,456.9987 W.
How many horsepower are in 1 watt?
1 W = 0.00134102 hp.
What is the formula to convert horsepower to watts?
The formula is watts = hp × 745.6999.