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Unit converters

Power Converter

Convert watts, horsepower, and BTU per hour. Nothing you enter leaves your browser.

Enter your values and we’ll calculate the result.

Your result
Enter your values, then calculate.

What this tool does

About the Power Converter

Convert watts, horsepower, and BTU per hour. It reports equivalent values across supported units so measurements can be compared without looking up each factor separately.

The calculation uses power, and unit.

How to use it

  1. Review the starting values for power, unit and replace them with your own.
  2. Choose any available units or assumptions, then select “Calculate.”
  3. Read the labeled result, compare another scenario if needed, and copy the output for your notes.

Practical example

Start with a known input

The workbench starts with a complete scenario:
Power: 1
Unit: kilowatts
Change one assumption at a time to see how it affects the result.

What to know about the result

  • Results are estimates based only on the supplied values. Rounding, fees, local rules, and real-world conditions may change the final outcome.

Common questions

Using the Power Converter

Is the Power Converter free to use?

Yes. FormatCalc's Power Converter is free to use with no account required.

Is my data private when I use the Power Converter?

Yes. This tool processes your input locally in your browser. FormatCalc does not upload or store what you enter.

How do I use the Power Converter?

Enter your values, select any units, and choose Calculate. You can then copy the result.

What should I check before using the result?

Results are estimates based only on the supplied values. Rounding, fees, local rules, and real-world conditions may change the final outcome.