KW → HP

Kilowatts to Mechanical Horsepower

Convert kilowatts to mechanical horsepower with an exact, deterministic calculation.

LIVE CONVERSIONDECIMAL ENGINE EXACT_

1 kW = 1.341022089595 hp

FORMULA

How to convert

hp = kW × 1.341022089595

Example: 10 kW = 13.4102209 hp.

QUICK ANSWER

1 Kilowatt

1.341022089595 hp

REFERENCE TABLE

Kilowatt to Mechanical horsepower

kilowattsmechanical horsepower
1 kW1.34102209 hp
5 kW6.70511045 hp
10 kW13.4102209 hp
25 kW33.52555224 hp
50 kW67.05110448 hp
100 kW134.10220896 hp
EDITORIALLY REVIEWEDConvertor4U Editorial Team · 16 August 2026

ABOUT THIS CONVERSION

Convert kilowatts to mechanical horsepower

This page converts kilowatts (kW) to mechanical horsepower (hp). Convertor4U first interprets the input using Kilowatt's definition, then expresses the same quantity in Mechanical horsepower. The result is calculated from the stored factor and offset definitions, not from a rounded lookup table.

Real-world example

For comparing an appliance, motor, engine, solar array, or heating system, an input of 5 kW converts to 6.70511045 hp. Keep extra digits while calculating, then round only the final value to the precision the task actually needs.

01

Rounding and precision

Nameplate power is often a rated or nominal value, so extra converted digits add no certainty. For energy planning, retain sufficient precision until power is multiplied by operating time and efficiency.

02

Regional context

Mechanical horsepower and metric horsepower are different units; both are included and clearly labeled. Vehicle markets may advertise hp, PS, or kW depending on country and convention.

03

Common mistake

Do not confuse kW with kWh: power is a rate and energy also depends on elapsed time.

04

Editorial method

Definitions and sources are listed below. Calculations retain more precision than the default display and round only for presentation.

USEFUL ANSWERS

kW to hp FAQs

How do I convert kilowatts to mechanical horsepower?

Enter the kW value in the calculator. It applies the stored factor and offset definitions and returns the equivalent in hp; the formula and common-value table are shown on this page.

Is the kW to hp conversion exact?

Defined measurement relationships are calculated with decimal arithmetic from stored standards. The displayed answer may be rounded for readability. Currency results instead depend on the dated reference rate shown.

How many decimal places should I keep?

Nameplate power is often a rated or nominal value, so extra converted digits add no certainty. For energy planning, retain sufficient precision until power is multiplied by operating time and efficiency.

What should I check before using the result?

Do not confuse kW with kWh: power is a rate and energy also depends on elapsed time.

FROM UNIT

Kilowatt

One kilowatt (kW) equals 1000 watt units (W) in the converter's reference scale. It measures the rate of energy transfer rather than an accumulated energy amount.

NIST Guide to the SI, SP 811 ↗Definition verified 14 August 2026

TO UNIT

Mechanical horsepower

Mechanical horsepower is defined as 550 foot-pounds per second, about 745.7 watts. It measures the rate of energy transfer rather than an accumulated energy amount.

NIST Guide to the SI, SP 811 ↗Definition verified 14 August 2026

Content reviewed by Convertor4U Editorial Team · 16 August 2026 · Report an error on this page