Convert kW to hp
1 kW = 1.34102 hp · 1 hp = 0.7457 kW · Exact by definition
1 kW = 1.34102 hp
The imperial horsepower of 550 ft·lbf/s, about 1.4 % larger than the metric KM/PS.
The same value in other units
- watt
- 1000 W
- megawatt
- 0.001 MW
- metric horsepower
- 1.35962 PS
- BTU per hour
- 3412.14 BTU/h
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
Convert a whole list
Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.
The imperial horsepower of 550 ft·lbf/s, about 1.4 % larger than the metric KM/PS.
Power
kW to hp: conversion table
| kilowatt | mechanical horsepower |
|---|---|
| 1 kW | 1.34102 hp |
| 2 kW | 2.68204 hp |
| 3 kW | 4.02307 hp |
| 5 kW | 6.70511 hp |
| 10 kW | 13.4102 hp |
| 20 kW | 26.8204 hp |
| 25 kW | 33.5256 hp |
| 50 kW | 67.0511 hp |
| 100 kW | 134.102 hp |
| 250 kW | 335.256 hp |
| 500 kW | 670.511 hp |
| 1000 kW | 1341.02 hp |
| mechanical horsepower | kilowatt |
|---|---|
| 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 |
| 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 |
How the conversion works
hp = kW × 1.3410221
Both units are defined exactly, so the precision of the kW to hp result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- BIPM — SI Brochure
The official definitions of the International System of Units (SI).
- NIST SP 811 — Conversion factors
Conversion-factor tables for SI and non-SI units.
Keep going