Convert Horsepower to Kilowatts
One horsepower equals 0.7457 kilowatts. Type any value to convert horsepower to kilowatts instantly — with a full reference table below.
Convert Horsepower to Kilowatts
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How to convert Horsepower to Kilowatts
To convert horsepower to kilowatts, multiply by 0.7457. One horsepower equals 0.7457 kW, and one kilowatt equals 1.341022 hp.
- Take the value in horsepower — for example 7.5 hp.
- Multiply by 0.7457 (the number of kilowatts in one horsepower).
- 7.5 × 0.7457 = 5.592749 kW.
Quick mental estimate: Divide the number of horsepower by 1.34 (within 0.1% of the exact answer).
Horsepower to Kilowatts conversion table
| Horsepower | Kilowatts |
|---|---|
| 1 hp | 0.7457 kW |
| 2 hp | 1.4914 kW |
| 5 hp | 3.728499 kW |
| 10 hp | 7.456999 kW |
| 20 hp | 14.914 kW |
| 50 hp | 37.28499 kW |
| 100 hp | 74.56999 kW |
| 200 hp | 149.14 kW |
| 500 hp | 372.8499 kW |
| 1,000 hp | 745.6999 kW |
| Kilowatts | Horsepower |
|---|---|
| 1 kW | 1.341022 hp |
| 2 kW | 2.682044 hp |
| 5 kW | 6.70511 hp |
| 10 kW | 13.41022 hp |
| 20 kW | 26.82044 hp |
| 50 kW | 67.0511 hp |
| 100 kW | 134.1022 hp |
| 200 kW | 268.2044 hp |
| 500 kW | 670.511 hp |
| 1,000 kW | 1,341.022 hp |
About converting Horsepower to Kilowatts
Horsepower (hp) and Kilowatts (kW) are both units of power. The exact factor is 1 hp = 0.7457 kW, so multiply by 0.7457 to go from horsepower to kilowatts (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Kilowatts to Horsepower converter, or the full unit converter for every unit at once.
Real-world power in horsepower and kilowatts
| Example | Horsepower | Kilowatts |
|---|---|---|
| A resting human body | ≈ 0.134102 hp | ≈ 0.1 kW |
| A microwave oven | ≈ 1.341022 hp | ≈ 1 kW |
| A UK electric kettle | ≈ 4.023066 hp | ≈ 3 kW |
| A 150 hp car engine | 150 hp | 111.855 kW |
“≈” marks typical values; the rest are defined or measured figures.
The units
Mechanical horsepower: 550 foot-pounds per second, about 745.7 W.
Used for: Car and motor ratings in the US/UK.
1,000 watts.
Used for: Engines, heaters, solar panels and EV charging.
This page uses mechanical horsepower (550 foot-pounds per second ≈ 745.7 W). Metric horsepower (PS) is slightly smaller at 735.5 W.