Watts to Horsepower

Convert watts to horsepower instantly. Free online W to hp converter for motors and engines.

The Watts to Horsepower converter transforms electrical power measurements into the traditional horsepower unit still widely used for engines and motors. While watts are the scientific standard, horsepower remains the common specification for vehicles, power tools, and industrial equipment. This tool helps engineers, mechanics, and consumers understand power specifications across different systems.

Converter

0.00134102

Formula: hp = W × 0.00134102

Common use cases

  • Electric motor specifications
  • Vehicle power comparisons
  • Industrial equipment ratings
  • Power tool conversions
  • HVAC system sizing

How to use

  1. Enter the power in watts
  2. View the horsepower equivalent instantly
  3. Use for motor and engine specs
  4. Copy results for comparison
  5. Clear for new conversions

FAQ

How many watts is 1 horsepower?

1 horsepower equals approximately 745.7 watts.

Is this mechanical or metric horsepower?

This uses mechanical horsepower (745.7 W). Metric horsepower is slightly different at 735.5 W.

Why is horsepower still used?

Historical tradition keeps horsepower as the standard for engines and motors, especially in the US automotive industry.

How do I convert kilowatts to hp?

Multiply kilowatts by 1.341. For example, 100 kW = 134.1 hp.