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Horsepower (imperial) to Kilowatts Converter

Enter horsepower (imperial) to get kilowatts instantly. Works both ways.

1 horsepower (imperial) = 0.7457 kilowatts

How to convert hp to kW

To convert horsepower (imperial) to kilowatts, multiply by 0.7457 (or divide by 1.34102). For example, 5 hp × 0.7457 = 3.7285 kW.

Need it the other way? Convert kilowatts to horsepower (imperial).

Horsepower (imperial) to Kilowatts at a glance

  • 1 horsepower (imperial) = 0.7456999 kilowatts
  • 5 horsepower (imperial) = 3.728499 kilowatts
  • 10 horsepower (imperial) = 7.456999 kilowatts
  • 50 horsepower (imperial) = 37.28499 kilowatts
  • 100 horsepower (imperial) = 74.56999 kilowatts
  • 1 kilowatt = 1.341022 horsepower (imperial) (the reverse)

Worked examples

25 horsepower (imperial) × 0.7456999 = 18.6425 kilowatts.

250 horsepower (imperial) × 0.7456999 = 186.425 kilowatts.

1,500 horsepower (imperial) × 0.7456999 = 1,118.55 kilowatts.

Converting back

To go from kilowatts back to horsepower (imperial), divide by 0.7456999 (or multiply by 1.341022). For example, 100 kilowatts ÷ 0.7456999 = 134.1022 horsepower (imperial).

Using a rounded factor

For a quick estimate you can use 0.75 in place of 0.7456999. That is accurate to within about 0.6%, which is fine for rough checks but not for exact work.

Hp to kW chart

Horsepower (imperial)Kilowatts
0.1 hp0.07457 kW
0.25 hp0.186425 kW
0.5 hp0.37285 kW
1 hp0.7457 kW
2 hp1.4914 kW
3 hp2.2371 kW
4 hp2.9828 kW
5 hp3.7285 kW
6 hp4.4742 kW
7 hp5.2199 kW
8 hp5.9656 kW
9 hp6.7113 kW
10 hp7.457 kW
15 hp11.1855 kW
20 hp14.914 kW
25 hp18.6425 kW
30 hp22.371 kW
40 hp29.828 kW
50 hp37.285 kW
75 hp55.9275 kW
100 hp74.57 kW
250 hp186.425 kW
500 hp372.85 kW
1,000 hp745.7 kW

More power conversions

kW to hpPS to kW

Frequently asked questions

How many kilowatts are in one horsepower (imperial)?

There are 0.7457 kilowatts in one horsepower (imperial).

How do I convert hp to kW?

Multiply the value in horsepower (imperial) by 0.7457.

How many horsepower (imperial) are in one kilowatt?

There are 1.341022 horsepower (imperial) in one kilowatt.

What is 10 horsepower (imperial) in kilowatts?

10 horsepower (imperial) = 7.456999 kilowatts.

How do I convert kilowatts back to horsepower (imperial)?

Divide the value in kilowatts by 0.7456999, or multiply it by 1.341022.

Can I use a rounded factor for horsepower (imperial) to kilowatts?

For quick estimates, 0.75 is close (within about 0.6%). Use 0.7456999 when you need the full figure.