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Power Unit Converter

Convert watts, kilowatts, megawatts, and horsepower.

How to Use This Tool

  1. Value + unit.
  2. Convert.
  3. Compare W, kW, MW, hp.

Learn More About Power Unit Converter

Power vs energy

  • Power (watts) is an instantaneous rate.
  • Energy (joules or kWh) is power × time. Use the Energy Converter for kWh.

About

Translate power between watts, kilowatts, megawatts, milliwatts, and mechanical horsepower. Pair with the Energy Converter when you need watt-hours vs watts. Uses convert.

Examples

1.5 kilowatts

Motor or heater power in watts, kW, MW, and hp.
Input
1.5 kW
Output
W: 1500.000000
kW: 1.500000
MW: 0.001500
hp: 2.011533

100 watts

Small load as kW and horsepower.
Input
100 W
Output
W: 100.000000
kW: 0.100000
MW: 0.000100
hp: 0.134102

Use Cases

  • Motor and appliance wattage vs hp
  • Solar or generator sizing
  • Quick kW ↔ W checks

Frequently Asked Questions