Convert Metric horsepower to Kilowatts
1 metric horsepower is 0.735499 kW. One metric horsepower is exactly 0.73549875 kilowatts.
One metric horsepower is 0.73549875 kilowatts. To convert metric horsepower to kilowatts, multiply by 0.73549875; to go the other way, divide by 0.73549875 or multiply by 1.3596216. The factor is exact rather than rounded: it follows from NIST Special Publication 811. Exactly 75 kilogram-force metres a second, which is 1.4% less than mechanical horsepower.
Factor checked against the defining standard · How we check
- Metric horsepower × 0.73549875
value * 0.735498750.735 kW
1 metric horsepower in every power unit
| Unit | Value | Exact factor |
|---|---|---|
| horsepower | 0.9863200706 hp | × 0.98632007062 |
| metric horsepower (as entered) | 1 PS | — |
| watts | 735.49875 W | × 735.49875 |
| kilowatts | 0.73549875 kW | × 0.73549875 |
| megawatts | 0.00073549875 MW | × 0.00073549875 |
| BTU per hour | 2,509.625906 BTU/h | × 2,509.62590599 |
Factors are entered by hand from NIST Special Publication 811 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert metric horsepower to kilowatts?
- 1.Take the measurement in metric horsepower.
- 2.Multiply by 0.73549875 — that is how many kilowatts fit in one metric horsepower.
- 3.To go back the other way, divide by 0.73549875, or multiply by 1.3596216.
Worked example: 25 metric horsepower to kilowatts
- Formula
- PS × 0.73549875 = kW
- Arithmetic
- 25 × 0.73549875 = 18.387469 kW
- Answer
- 25 PS = 18.387469 kW
The factor is exact, so this figure is exact too — only the display is rounded.
Metric horsepower to kilowatts conversion table
| Metric horsepower | Kilowatts |
|---|---|
| 1 PS | 0.735499 kW |
| 2 PS | 1.470998 kW |
| 3 PS | 2.206496 kW |
| 4 PS | 2.941995 kW |
| 5 PS | 3.677494 kW |
| 6 PS | 4.412993 kW |
| 7 PS | 5.148491 kW |
| 8 PS | 5.88399 kW |
| 9 PS | 6.619489 kW |
| 10 PS | 7.354988 kW |
| 12 PS | 8.825985 kW |
| 15 PS | 11.032481 kW |
| 20 PS | 14.709975 kW |
| 25 PS | 18.387469 kW |
| 50 PS | 36.774938 kW |
| 100 PS | 73.549875 kW |
| 200 PS | 147.09975 kW |
| 300 PS | 220.649625 kW |
| 500 PS | 367.749375 kW |
| 1000 PS | 735.49875 kW |
| 2000 PS | 1,470.9975 kW |
| 5000 PS | 3,677.49375 kW |
| 10000 PS | 7,354.9875 kW |
What is a metric horsepower?
Exactly 75 kilogram-force metres a second, which is 1.4% less than mechanical horsepower. A German car quoted at 150 PS is 148 hp, and the difference is the definition rather than the engine.
What is a kilowatt?
A thousand watts. Electric motors, kettles and EV chargers are rated here, and a kilowatt is close to 1.34 horsepower.
How many kilowatts are in a metric horsepower?
One metric horsepower is 0.73549875 kilowatts, exactly. Going the other way, one kilowatt is 1.3596216 metric horsepower. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every power unit here
| Unit | Symbol | One of these is |
|---|---|---|
| Horsepower | hp | 745.69987 watt |
| Metric horsepower | PS | 735.49875 watt |
| Watts | W | the base unit |
| Kilowatts | kW | 1000 watt |
| Megawatts | MW | 1000000 watt |
| BTU per hour | BTU/h | 0.29307107 watt |
Source: NIST Special Publication 811 — mechanical horsepower is 550 ft·lbf/s exactly
Questions people actually ask
- How many kilowatts are in a metric horsepower?
- 0.73549875. A thousand watts. Electric motors, kettles and EV chargers are rated here, and a kilowatt is close to 1.34 horsepower.
- How do I convert kilowatts back to metric horsepower?
- Divide by 0.73549875, or multiply by 1.3596216 — they are the same operation.
Other power conversions
Kilowatts to metric horsepower — the same conversion the other way.