Convert Horsepower (mech.) (hp) to Kilowatts (kW)
Looking for a fast hp to kW conversion? The relationship is fixed: 1 hp = 0.7457 kW, which means you divide the value by 1.341022.
Formula
1 hp = 0.7457 kW
To convert hp to kW, divide the value by 1.341022.
Conversion Table
| Horsepower (mech.) (hp) | Kilowatts (kW) |
|---|---|
| 0.01 hp | 0.0075 kW |
| 0.1 hp | 0.0746 kW |
| 0.5 hp | 0.3729 kW |
| 1 hp | 0.7457 kW |
| 2 hp | 1.4914 kW |
| 3 hp | 2.2371 kW |
| 5 hp | 3.7285 kW |
| 10 hp | 7.457 kW |
| 15 hp | 11.1855 kW |
| 20 hp | 14.914 kW |
| 25 hp | 18.6425 kW |
| 50 hp | 37.285 kW |
| 100 hp | 74.57 kW |
| 250 hp | 186.425 kW |
| 500 hp | 372.85 kW |
| 1000 hp | 745.7 kW |
| 2500 hp | 1864.25 kW |
| 5000 hp | 3728.5 kW |
| 10000 hp | 7457 kW |
| 50000 hp | 37285 kW |
Common hp to kW Examples
- 1 hp = 0.7457 kW
- 5 hp = 3.7285 kW
- 10 hp = 7.457 kW
- 25 hp = 18.6425 kW
- 50 hp = 37.285 kW
- 100 hp = 74.57 kW
- 500 hp = 372.85 kW
- 1000 hp = 745.7 kW
About the units
Horsepower (mech.) (hp) — Mechanical horsepower (745.7 W) is James Watt’s original marketing unit — sized so a brewery horse could be replaced by a numbered engine. It remains the US car-power unit.
Frequently Asked Questions
Does temperature, humidity, or pressure affect hp to kW results?
No. The conversion factor between hp and kW is a fixed mathematical ratio and does not depend on environmental conditions.
How accurate is the hp to kW calculator?
The calculator uses the standard ratio 0.7457 and returns results to several decimal places, suitable for both casual and technical use.
Is 100 hp more than 50 kW?
Multiply 100 by 0.7457 to get the equivalent in kW, then compare with 50. The ratio determines which value is larger.
Can I do hp to kW conversions mentally?
For rough estimates, round 0.7457 to a simpler number. For precise results, use the full ratio with a calculator.
How is kW used in everyday life?
Kilowatts is commonly seen in regions and contexts where it is the preferred Power unit, from signage to technical specifications.
How is hp used in everyday life?
Horsepower (mech.) appears in measurements, product labels, and reports wherever the local convention favors that unit for Power.