kW to HP Converter
Convert kilowatts (kW) to horsepower (hp) instantly. Type a value — the result updates as you type, and the swap button converts the other way.
kW to hp formula
hp = kW × 1.34102208959
1 kilowatt = 1.34 horsepower · 1 horsepower = 0.7457 kilowatts
To convert kilowatts to horsepower, multiply the value by 1.34102208959. For example, 100 kW:
hp = 100 × 1.34102208959hp = 134.102209
So 100 kW = 134.1 hp.
Mental math shortcut
Quick mental estimate: multiply by 1.34. For 100 kW that gives about 134 hp — within 1% of the exact answer. Use the exact formula when precision matters.
kW to hp conversion table
hp back to kW
The same values converted the other way, rounded for everyday use:
| Horsepower | Kilowatts |
|---|---|
| 1.34 hp | 0.9992 kW |
| 6.71 hp | 5 kW |
| 13.41 hp | 10 kW |
| 67.05 hp | 50 kW |
| 100.58 hp | 75 kW |
| 134.1 hp | 100 kW |
| 201.15 hp | 150 kW |
| 268.2 hp | 200 kW |
About the units
Kilowatts (kW)
A kilowatt is 1,000 watts. It is used for engine power in most countries and for electrical loads.
Horsepower (hp)
Mechanical horsepower is about 745.7 watts. It is the traditional unit of engine power in the US.
Frequently asked questions
How many horsepower are in a kilowatt?
One kilowatt equals 1.34 horsepower.
What is 100 kW in hp?
100 kW = 134.1 hp.
How do I convert hp back to kW?
Divide the horsepower by 1.34102208959.