The Unit Converters

Horsepower to Watt

1 Horsepower = 745.7 Watt


Conversion Formula

To convert Horsepower to Watt, multiply the value by 745.7.

Horsepower × 745.7 = Watt

Quick Reference

hp W
1 745.7
5 3728.5
10 7457
25 18642.5
50 37285
100 74570
500 372850
1000 745700

What is Horsepower?

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

It was originally coined by James Watt to compare the output of steam engines with the power of draft horses. There are different variations, but the most common “mechanical horsepower” is approximately 745.7 watts.

Common Uses

Horsepower is the standard unit used to measure the peak power output of internal combustion engines in cars, motorcycles, and boats.

What is Watt?

The watt (symbol: W) is the unit of power in the International System of Units (SI).

It is defined as a derived unit of one joule per second and is used to quantify the rate of energy transfer.

Common Uses

The watt is used across all scientific and engineering disciplines. In everyday life, the wattage of electrical devices (like light bulbs, appliances, and chargers) indicates their power consumption or output.

How many watt are in a horsepower?

There are 745.7 watt in 1 horsepower.


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