Common Converters

Convert Horsepower to Watts

Use our accurate converter to change horsepower into watts. This tool is simple to use and works instantly.

How to Calculate

To change horsepower to watts, you just need to know the conversion factor.

Rule: 1 Horsepower = 745.7 Watts

Horsepower to Watts
Pre-defined calculator for direct horsepower to watts conversion.
Horsepower (hp)
0
Watts (W)
Formula: 1 Horsepower = 745.7 Watts

Unit Information

About Horsepower

Definition: Horsepower (hp) is a unit of measurement of power, or the rate at which work is done.

History: The term was adopted in the late 18th century by James Watt to compare the output of steam engines with the power of draft horses.

Where it is used: Widely used to measure the power of automobile engines and electric motors.

Horsepower to Watts Conversion Table

Horsepower [hp]Watts [w]
0.01 hp7.457 w
0.1 hp74.57 w
1 hp745.7 w
2 hp1,491.4 w
3 hp2,237.1 w
5 hp3,728.5 w
10 hp7,457 w
20 hp14,914 w
50 hp37,285 w
100 hp74,570 w
1000 hp745,700 w

How to Convert Horsepower to Watts

Calculation: To convert horsepower to watts, multiply the value by the conversion factor (745.7).

Example: convert 15 hp to w:
15 hp = 15 × 745.7 w = 11,185.5 w

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