Power Converter

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Choose units, enter a value, and click Calculate. Use Swap to reverse units before calculating.

Result

Note: Results use standard conversion factors for everyday and educational use. Verify critical measurements with official references.

Power

Convert watts, kilowatts, horsepower, BTU/hour, and other power units for motors, appliances, generators, and everyday engineering calculations.

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Convert watts, kilowatts, horsepower, BTU/hour, and other power units for motors, appliances, generators, and everyday engineering calculations.

How to use the Power Converter

  1. Select the unit you’re converting from and the one you’re converting to.
  2. Enter your value.
  3. Click Calculate to see the converted result and summary.
  4. Use Swap units whenever you want to reverse direction.

Read our conversion guide for formulas, charts, and links to dedicated pair converters.

Working across mixed categories? The Conversion Calculator covers that.

Features

  • Full dropdown lists with standard and specialty units
  • Calculate-on-demand results with a summary panel
  • Completely free, no sign-up required

Common questions

Quick answers before you start calculating.

The dropdowns cover every unit in the reference conversion suite for this category, all built on standard conversion factors.