HP to kW Converter
Convert HP to kW: 1 HP = 0.7456998716 kW. Formula, worked example, table of common values and unit definitions.
Result7.456998716 kW
1 HP = 0.7456998716 kW
10 HP =
7.456998716 kW
Formula
kW = HP × 0.7456998716 HP = kW × 1.34102209
Worked example
- 10 HP × 0.7456998716 = 7.456998716 kW
Common values
| HP | kW |
|---|---|
| 0.5 | 0.3728499358 |
| 1 | 0.7456998716 |
| 5 | 3.728499358 |
| 7.5 | 5.592749037 |
| 10 | 7.456998716 |
| 20 | 14.91399743 |
| 50 | 37.28499358 |
| 100 | 74.56998716 |
Unit definitions
| Unit | Equals | What it is |
|---|---|---|
| HP | 745.6998716 W | Mechanical horsepower: 550 foot-pounds-force per second. Electric motors are often rated 1 hp = 746 W, so check the nameplate in kW. |
| kW | 1,000 W | Kilowatt. The usual rating unit for motors, heaters and generators. |
Frequently asked questions
How many kW are in one HP?
1 HP = 0.7456998716 kW.
What is the formula to convert HP to kW?
kW = HP × 0.7456998716. To go back, HP = kW × 1.34102209.
Why does a 10 hp motor not use exactly this many kW?
The result is the mechanical output power. A motor draws more electrical power than it delivers, by the loss that its efficiency describes, so the input kW is higher than the shaft kW.
Related
Opposite direction: kW to HP
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