Horsepower to watts
1 horsepower = 745.6998716 W · 1 watt = 0.00134102209 hp
How to convert horsepower to watts
To convert horsepower to watts, multiply the value by 745.6998716.
Formula: W = hp × 745.6998716
Example: 10 hp = 7,456.998716 W
Horsepower to watts conversion table
| horsepower (hp) | watts (W) |
|---|---|
| 1 hp | 745.6998716 W |
| 2 hp | 1,491.399743 W |
| 3 hp | 2,237.099615 W |
| 4 hp | 2,982.799486 W |
| 5 hp | 3,728.499358 W |
| 6 hp | 4,474.199229 W |
| 7 hp | 5,219.899101 W |
| 8 hp | 5,965.598973 W |
| 9 hp | 6,711.298844 W |
| 10 hp | 7,456.998716 W |
| 15 hp | 11,185.49807 W |
| 20 hp | 14,913.99743 W |
| 25 hp | 18,642.49679 W |
| 30 hp | 22,370.99615 W |
| 40 hp | 29,827.99486 W |
| 50 hp | 37,284.99358 W |
| 75 hp | 55,927.49037 W |
| 100 hp | 74,569.98716 W |
| 250 hp | 186,424.9679 W |
| 500 hp | 372,849.9358 W |
| 1,000 hp | 745,699.8716 W |
About these units
Horsepower (hp)
Mechanical horsepower (hp) is about 745.7 W. Car and motorcycle engine power is commonly given in horsepower, especially in the US.
Watt (W)
The watt (W) is the SI unit of power, one joule per second. Light bulbs, appliances and chargers are rated in watts.
Frequently asked questions
How many watts are in 1 horsepower?
1 hp = 745.6998716 W
How many horsepower are in 1 watt?
1 W = 0.00134102209 hp
What is 100 hp in W?
100 hp = 74,570 W (100 × 745.6998716)
What is 300 hp in W?
300 hp = 223,710 W (300 × 745.6998716)