kW to HP Calculator
Convert kilowatts to horsepower instantly — mechanical, metric and electric.
kW to HP Converter
RESULT
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Convert kilowatts to horsepower instantly. The calculator shows both mechanical horsepower (the US/UK standard) and metric horsepower (PS), so it works for any spec sheet.
Quick answer: 1 kW = 1.341 mechanical HP (or 1.36 PS). So a 100 kW motor is about 134 HP.
kW to HP Formula
Formula
HP = kW × 1.341 | PS = kW × 1.3596
Mechanical HP vs metric PS.
How to Use This Calculator
- Enter the power in kilowatts.
- Read horsepower in both mechanical HP and metric PS.
Common Conversions
| Kilowatts | Mechanical HP | Metric PS |
|---|---|---|
| 50 | 67.1 | 68.0 |
| 100 | 134.1 | 136.0 |
| 150 | 201.2 | 203.9 |
| 200 | 268.2 | 271.9 |
Frequently Asked Questions
One kilowatt equals about 1.341 mechanical horsepower, or 1.36 metric horsepower (PS).
Multiply the kilowatts by 1.341 for mechanical horsepower. For metric PS, multiply by 1.3596.
100 kW is about 134 HP — typical for a mid-size family car. Performance cars often exceed 200 kW (268 HP).
Mechanical HP uses 1.341 per kW; metric PS uses 1.36 per kW. PS gives a slightly higher number, which is why European cars often quote PS.
Multiply mechanical horsepower by 0.7457 to get kilowatts.