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Convert Kilowatts to Horsepower

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Engineering

Power Converter
10 sig. figures
Formula1 kW × 1.34102209 = 1.34102209 hp

Real-World Reference Values

ValueHorsepower
1 kW1.341 hpBasic reference (1 kW)
7.5 kW10.06 hpSmall industrial motor (conveyor, pump)
100 kW134.1 hpCompact car engine
150 kW201.2 hpMid-size sedan engine
250 kW335.3 hpPerformance sedan or large SUV

Common Uses

  • Comparing European car specifications (always in kW) to US-market equivalents in horsepower
  • Sizing industrial motors when the nameplate shows kW but catalogs list hp
  • Understanding EV power ratings stated in kW when you think in horsepower
AutomotiveIndustrial ManufacturingRenewable EnergyHVAC

Practical Tips

Quick mental math: multiply kW by 1.34 for a close estimate
Mechanical hp (745.7 W) and metric hp/PS (735.5 W) differ by 1.4% — specify which when precision matters
EU regulation requires automakers to state power in kW; the same engine reads differently in hp vs PS

Quick Conversions

KilowattsHorsepower
1 kW1.34102 hp
2 kW2.68204 hp
5 kW6.70511 hp
10 kW13.4102 hp
25 kW33.5256 hp
50 kW67.0511 hp
100 kW134.102 hp
250 kW335.256 hp
500 kW670.511 hp
1000 kW1341.02 hp
Unit NameSymbolPer 1 Kilowatt
BTU per HourBTU/h3412.14
Foot-pound per Secondft·lbf/s737.562
GigawattGW0.000001
Horsepowerhp1.34102
Kilocalorie per Hourkcal/h859.845
KilowattkW1
MegawattMW0.001
Metric HorsepowerPS1.35962
MilliwattmW1000000
WattW1000

Frequently Asked Questions

How do I convert Kilowatts to Horsepower?

To convert Kilowatts to Horsepower, use the conversion where 1 Kilowatt (kW) = 1.34102 Horsepower (hp). For example, 1 Kilowatt = 1.34102 Horsepower.

What are common Kilowatt to Horsepower conversions?

Here are common conversions: 1 Kilowatts = 1.34102 Horsepower, 5 Kilowatts = 6.70511 Horsepower, 10 Kilowatts = 13.4102 Horsepower, 25 Kilowatts = 33.5256 Horsepower, 50 Kilowatts = 67.0511 Horsepower, 100 Kilowatts = 134.102 Horsepower.

When would I need to convert Kilowatts to Horsepower?

Comparing European car specifications (always in kW) to US-market equivalents in horsepower. Sizing industrial motors when the nameplate shows kW but catalogs list hp. Understanding EV power ratings stated in kW when you think in horsepower.

How precise are the conversions?

All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.

How many Horsepower is 1 Kilowatts? (Basic reference (1 kW))

1 Kilowatts equals 1.341 hp Horsepower. This is a frequently referenced value because it represents basic reference (1 kw).

Sources

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