3 hp = 2.237 kW
3 hp is 2.237 kW. To convert horsepower to kilowatts, multiply by 0.7457. Change the number below for any other value.
- The same number of kilowatts in horsepower
- 4.0231 hp
Saved setups
Save a set of inputs you reuse — your usual rate, your loan, your room sizes — and load it back in one tap.
Your recent calculations
Results you calculate here are kept on this device so you can come back to them.
Horsepower to kilowatts near 3 hp
How it is worked out
Kilowatts = horsepower × 0.7457
1 hp = 0.7457 kW
3 hp × 0.7457 = 2.237 kW
Good to know
In your head: 3 × 0.75 ≈ 2.25 kW.
If the 3 is metric horsepower (PS or CV, as on many European and Asian car spec sheets), it is 2.206 kW.
Questions people ask
How many kW is 3 hp?
3 hp is 2.237 kW.
How do I convert horsepower to kilowatts?
Multiply by 0.7457. For example, 3 hp × 0.7457 = 2.237 kW.