kw to hp | Exact Decimal + Formula
1 Kilowatt = 1.341022 Horsepower (HP)
Converting kilowatts to horsepower helps compare electric motor ratings against traditional combustion engines in cars and industrial machinery.
About Kilowatt and Horsepower (HP)
Kilowatt (kW)
A kilowatt is 1,000 watts.
Where it's used: Home electrical capacity, EV charging rates, and generator ratings.
Horsepower (HP) (hp)
One horsepower is about 745.7 watts, originally defined as the work a strong horse can sustain.
Where it's used: Car engines, electric motors, and HVAC equipment ratings.
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Power Converter
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Formula
hp = kW × 1.341022089
To convert Kilowatt to Horsepower (HP), use the formula displayed above.
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Kilowatt to Horsepower (HP): Quick Reference Table
| Kilowatt | Horsepower (HP) (Decimal) | Fraction |
|---|---|---|
| 0.001 kW | 0.001341 hp | - |
| 0.01 kW | 0.01341 hp | - |
| 0.1 kW | 0.134102 hp | - |
| 0.5 kW | 0.670511 hp | - |
| 1 kW | 1.341022 hp | - |
| 2 kW | 2.682044 hp | - |
| 5 kW | 6.70511 hp | - |
| 10 kW | 13.410221 hp | - |
| 25 kW | 33.525552 hp | - |
| 50 kW | 67.051104 hp | - |
| 100 kW | 134.102209 hp | - |
| 250 kW | 335.255522 hp | - |
| 500 kW | 670.511044 hp | - |
| 1000 kW | 1341.022089 hp | - |
kW to hp Formula and Examples
Direct Formula
hp = kW × 1.341022089 Inverse Formula
kW = hp × 0.7457 Mental Math Shortcut
Multiply the value by roughly 1.3 to calculate the equivalent amount in your head.
Common Kilowatt to Horsepower (HP) Calculations
- 5 kW = 6.70511 hp
- 10 kW = 13.410221 hp
- 50 kW = 67.051104 hp
- 100 kW = 134.102209 hp
- 500 kW = 670.511044 hp
Precision & Practical Use
For example, 10 kW = 13.410221 hp — roughly multiple unit increments.
Appliance and engine ratings are typically whole watts, kilowatts, or horsepower. One decimal is plenty for comparisons.
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How to Convert Kilowatt to Horsepower (HP)
How many horsepower (hp)s are in one kilowatt?
One Kilowatt (kW) equals 1.341022 Horsepower (HP) (hp). To convert kilowatts to horsepower (hp)s, multiply the kilowatt value by 1.341022.
How do I convert Kilowatt to Horsepower (HP)?
Multiply your kilowatt value by 1.341022 to get the result in Horsepower (HP): hp = kW × 1.341022. For example, 5 kW = 6.70511 hp.
What is the formula for converting kW to hp?
The conversion formula is hp = kW × 1.341022. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.
Is there a quick mental estimate for kW to hp?
Multiply the value by roughly 1.3 to calculate the equivalent amount in your head.
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