Kilowatt to Horsepower (kW to hp)
Result
1.34102209 Horsepower
Formula
hp = kW × 1.34102209
1 kW = 1.34102209 hp, and 1 hp = 0.7456998716 kW.
The watt is one joule per second. Mechanical horsepower is 550 foot-pound-force per second, which is 745.69987 W.
Worked examples
- 1 kW × 1.34102209 = 1.3410221 hp
- 10 kW × 1.34102209 = 13.410221 hp
- 100 kW × 1.34102209 = 134.10221 hp
Common mistakes
- Horsepower comes in several sizes: mechanical (745.7 W), metric/PS (735.5 W) and electrical (746 W). Car specifications in Europe and Japan usually quote PS.
- Power (W) is a rate; energy (Wh, J) is power × time.
Kilowatt to Horsepower table
| Kilowatt (kW) | Horsepower (hp) |
|---|---|
| 1 | 1.3410221 |
| 2 | 2.6820442 |
| 5 | 6.7051104 |
| 10 | 13.410221 |
| 20 | 26.820442 |
| 50 | 67.051104 |
| 100 | 134.10221 |
| 1,000 | 1,341.0221 |
The units
- Kilowatt (kW)
- 1 Kilowatt = 1,000 Watt.
- Horsepower (hp)
- 1 Horsepower = 745.6998716 Watt.
Sources for these factors
- Guide for the Use of the International System of Units (SP 811), Appendix B: conversion factors — NIST
- The International System of Units (SI Brochure), 9th edition — BIPM
Last reviewed against these sources. An automated check recomputes every factor from its definition on each build. How we check accuracy