HP to kW Calculator

Convert between Horsepower and Kilowatts with precision for automotive and engineering applications

Power Unit Converter

HP

100 HP = 74.57 kW Mechanical HP

kW

74.57 kW = 100 HP Mechanical HP

Related Power Calculators

HP to kW Calculator - Power Unit Conversion

The HP to kW Calculator provides accurate conversion between horsepower and kilowatts, supporting different types of horsepower measurements used worldwide. This tool is essential for automotive, engineering, and electrical applications.

Types of Horsepower

There are several different definitions of horsepower, each with specific conversion factors:

  • Mechanical Horsepower (HP): 1 HP = 745.699872 watts - Used in USA and most automotive applications
  • Metric Horsepower (PS/CV): 1 PS = 735.49875 watts - Used in Europe and Asia
  • Electrical Horsepower: 1 HP = 746 watts - Used for electric motor ratings

How to Use This Calculator?

Converting between HP and kW is straightforward with our calculator:

  • Step 1: Select the type of horsepower you're working with
  • Step 2: Choose conversion direction (HP to kW or kW to HP)
  • Step 3: Enter the power value you want to convert
  • Step 4: Click "Convert" to see the result with the mathematical formula

Common Applications

This calculator is useful for various applications:

  • Automotive: Converting engine power ratings between different standards
  • Electric Motors: Understanding motor power consumption and ratings
  • Industrial Equipment: Comparing machinery specifications
  • International Trade: Converting between regional power standards

Power Conversion Chart - All HP Types

Comprehensive comparison of different horsepower types converted to kilowatts:

Power Mechanical HP
(745.7 W)		 Metric HP (PS)
(735.5 W)		 Electrical HP
(746.0 W)
1 HP/PS 0.746 kW 0.736 kW 0.746 kW
5 HP/PS 3.73 kW 3.68 kW 3.73 kW
10 HP/PS 7.46 kW 7.35 kW 7.46 kW
25 HP/PS 18.64 kW 18.39 kW 18.65 kW
50 HP/PS 37.28 kW 36.77 kW 37.30 kW
100 HP/PS 74.57 kW 73.55 kW 74.60 kW
150 HP/PS 111.85 kW 110.32 kW 111.90 kW
200 HP/PS 149.14 kW 147.10 kW 149.20 kW
300 HP/PS 223.71 kW 220.65 kW 223.80 kW
500 HP/PS 372.85 kW 367.75 kW 373.00 kW
Note: The differences between HP types become more significant at higher power levels. Always specify which type of horsepower when sharing specifications.