Horsepower to Kilowatts Converter

Convert horsepower to kilowatts and back instantly with formula and common values.

Horsepower to Kilowatts: 1 hp equals 0.7457 kW. To convert horsepower to kilowatts, multiply by 0.7457 (kW = hp × 0.7457). For example, 10 hp = 7.457 kW.

How to Convert Horsepower to Kilowatts

To convert from horsepower to kilowatts, multiply the value by 0.7457. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

Horsepower to Kilowatts: kW = hp × 0.7457
Kilowatts to Horsepower: hp = kW ÷ 0.7457

Horsepower to Kilowatts conversion scale — a dual ruler showing 1 hp equals .7457 kW. — Horsepower to Kilowatts conversion scale (hp to kW).

Horsepower to Kilowatts Conversion Chart

Horsepower (hp)	Kilowatts (kW)
0.1	0.07457
0.25	0.186425
0.5	0.37285
1	0.7457
2	1.4914
3	2.2371
5	3.7285
10	7.457
20	14.914
25	18.6425
50	37.285
100	74.57
250	186.425
1000	745.7

Understanding the Units

What is a Horsepower?

One mechanical horsepower equals exactly 745.6998715822702 watts; one metric horsepower equals exactly 735.49875 watts.

Defined by James Watt to compare steam engines to draft horses pulling weights.

Common contexts: automotive, small engines.

What is a Kilowatt?

A kilowatt equals 1,000 watts.

Common contexts: home appliances, small motors, EV charging.

Real-World Reference Points

Item	Horsepower (hp)	Kilowatts (kW)
Riding lawnmower	18	13.4226
Compact sedan	150	111.855
Sports car	400	298.28

Kilowatts to Horsepower Converter

1 kW = 1.34102 hp. Convert kilowatts to horsepower and back with real appliance, EV, and engine power figures.

Horsepower to Watts Converter

Convert horsepower to watts and watts to horsepower instantly.

Kilowatts to Megawatts

Convert kilowatts to megawatts and back.

Kilowatts to Milliwatts

Convert kilowatts to milliwatts and back.

Watts to Kilowatts Converter

Convert watts to kilowatts and kilowatts to watts instantly.

Watts to Horsepower Converter

Convert watts to horsepower and horsepower to watts instantly.

On calc.awajis.com

Horsepower Calculator

Estimate engine horsepower.

FAQ

How do I convert horsepower to kilowatts?

Multiply by 0.7457. For example, 5.3 hp × 0.7457 = 3.9522 kW.

What is the formula for horsepower to kilowatts?

The formula is: kW = hp × 0.7457.

How many kilowatts are in one horsepower?

One horsepower equals 0.7457 kilowatts.

How many kilowatts are in 1 horsepower?

1 hp equals 0.7457 kW.

How do you convert horsepower to kilowatts?

Multiply the horsepower value by 0.7457. Formula: kW = hp × 0.7457.

How many kilowatts are in 5 horsepower?

5 hp = 3.7285 kW.

How do you convert kilowatts back to horsepower?

Use the inverse formula: hp = kW ÷ 0.7457. For example, 1 kW = 1.341022 hp.

What is the difference between Horsepower and Kilowatt?

One mechanical horsepower equals exactly 745.6998715822702 watts; one metric horsepower equals exactly 735.49875 watts. A kilowatt equals 1,000 watts.