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Common Benchmarks
Car engine
100 hp
Refrigerator average
150 W
LED bulb
10 W
Microwave
1000 W
Air conditioner
3500 W
E-bike motor
500 W
Formula
kW = hp × 0.7456998716
Example
Example: convert 145 horsepower to kilowatts.
145 hp = 108.12648138 kW
Conversion table
| horsepower (hp) | kilowatts (kW) |
|---|---|
| 1 hp | 0.74569987 kW |
| 2 hp | 1.49139974 kW |
| 5 hp | 3.72849936 kW |
| 10 hp | 7.45699872 kW |
| 20 hp | 14.91399743 kW |
| 50 hp | 37.28499358 kW |
| 100 hp | 74.56998716 kW |
Explanation
These are both units.
How to convert horsepower to kilowatts
- Start with the value in horsepower (hp).
- Multiply it by 0.7456998716.
- The result is the measurement in kilowatts (kW).
Example: 145 hp → 108.12648138 kW
Frequently Asked Questions
How much is 145 horsepower in kilowatts?
145 horsepower is about 108.126 kilowatts.
How many kilowatts is 1 horsepower?
1 horsepower is about 0.7457 kilowatts.
How many horsepower is 1 kilowatt?
1 kilowatt is about 1.341 horsepower.
What is the difference between horsepower and kilowatts?
Both measure power, but they are commonly used in different contexts. The watt (W) is the SI unit and is widely used in electrical/device specs, while horsepower (hp) is a traditional unit often used to describe engines and machinery.
Where are horsepower and kilowatts used?
Watts are common in electrical power/consumption (devices, appliances, lighting). Horsepower is commonly used for mechanical power (engines, pumps, compressors, machinery).
Why does 1 horsepower equal 0.7457 kilowatts?
Because power units are defined with a fixed relationship, which determines the conversion factor.