The kilowatt
The kilowatt (kW) equals exactly 1,000 watts. It is the unit on EV motor ratings, household solar arrays, and most modern automotive horsepower equivalents outside the US.
Kilowatts to Mechanical horsepower Converter
1 kW = 1.34102 hp
1 kilowatt equals 1.34102 mechanical horsepower. To convert kilowatts to mechanical horsepower, multiply the kilowatt value by 1.34102. For quick reference: 1 kW = 1.34102 hp, 5 kW = 6.70511 hp, 10 kW = 13.4102 hp, 100 kW = 134.102 hp.
Formula
Mechanical horsepower = Kilowatts × 1.34102Quick
How to convert kilowatts to mechanical horsepower
Take your value
Start with your value in kilowatts.
Multiply by 1.34102
Multiply the kilowatt value by 1.34102. This is the exact conversion factor from kilowatts to mechanical horsepower.
Read the result
The product is your value in mechanical horsepower. For example, 5 kW × 1.34102 = 6.70511 hp.
Conversion formula
The exact factor from kilowatts to mechanical horsepower is 1.34102.
Mechanical horsepower = Kilowatts × 1.34102
Kilowatts to Mechanical horsepower conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Kilowatts (kW) | Mechanical horsepower (hp) |
|---|---|
| 0.1 kW | 0.1341 hp |
| 0.5 kW | 0.67051 hp |
| 1 kW | 1.341 hp |
| 2 kW | 2.682 hp |
| 5 kW | 6.7051 hp |
| 8 kW | 10.728 hp |
| 10 kW | 13.41 hp |
| 15 kW | 20.115 hp |
| 20 kW | 26.82 hp |
| 25 kW | 33.526 hp |
| 30 kW | 40.231 hp |
| 40 kW | 53.641 hp |
| 50 kW | 67.051 hp |
| 60 kW | 80.461 hp |
| 75 kW | 100.58 hp |
| 100 kW | 134.1 hp |
| 125 kW | 167.63 hp |
| 150 kW | 201.15 hp |
| 200 kW | 268.2 hp |
| 250 kW | 335.26 hp |
| 300 kW | 402.31 hp |
| 400 kW | 536.41 hp |
| 500 kW | 670.51 hp |
| 600 kW | 804.61 hp |
| 750 kW | 1005.8 hp |
| 800 kW | 1072.8 hp |
| 1000 kW | 1341 hp |
| 1200 kW | 1609.2 hp |
| 1500 kW | 2011.5 hp |
| 1800 kW | 2413.8 hp |
| 2000 kW | 2682 hp |
| 2500 kW | 3352.6 hp |
| 3000 kW | 4023.1 hp |
| 5000 kW | 6705.1 hp |
| 7500 kW | 10058 hp |
| 10000 kW | 13410 hp |
| 15000 kW | 20115 hp |
| 20000 kW | 26820 hp |
| 25000 kW | 33526 hp |
| 50000 kW | 67051 hp |
| 75000 kW | 100577 hp |
| 100000 kW | 134102 hp |
| 200000 kW | 268204 hp |
| 500000 kW | 670511 hp |
| 1000000 kW | 1341022 hp |
| 2000000 kW | 2682044 hp |
| 5000000 kW | 6705110 hp |
| 10000000 kW | 13410221 hp |
| 100000000 kW | 134102209 hp |
| 1000000000 kW | 1341022090 hp |
Real-world reference
A modern compact EV motor is around 150 kW. A typical home solar array is 5–10 kW. In mechanical horsepower, that gives you: 1 kW = 1.34102 hp, 10 kW = 13.4102 hp, 100 kW = 134.102 hp.
Frequently asked questions
- How many mechanical horsepower are in 1 kilowatt?
- 1 kilowatt equals 1.34102 mechanical horsepower.
- How do I convert kilowatts to mechanical horsepower?
- Multiply the kilowatt value by 1.34102. So x kW × 1.34102 = the equivalent in hp.
- What is 5 kilowatts in mechanical horsepower?
- 5 kilowatts equals 6.70511 mechanical horsepower.
- What is 10 kilowatts in mechanical horsepower?
- 10 kilowatts equals 13.4102 mechanical horsepower.
- What is 100 kilowatts in mechanical horsepower?
- 100 kilowatts equals 134.102 mechanical horsepower.
- How do I convert back from mechanical horsepower to kilowatts?
- Multiply the mechanical horsepower value by 0.7457. For example, 1 hp = 0.7457 kW.
- Is the kilowatt bigger than the mechanical horsepower?
- Yes. 1 kilowatt is larger than 1 mechanical horsepower — specifically 1.34102 times larger.
- Are these conversion factors exact?
- Yes. Since the 1959 international yard and pound agreement, imperial/US units are defined exactly in terms of metric units, so the factor used here (1.34102) is exact within IEEE 754 double precision.
About the kilowatt and the mechanical horsepower
The mechanical horsepower
Mechanical (imperial) horsepower is defined as exactly 550 ft·lbf/s, or approximately 745.7 W. It is the standard 'horsepower' in the US and is the unit most often quoted for American cars and motorcycles.