Unit Conversion

Power Converter

Convert power among watts, kilowatts, megawatts, mechanical horsepower, and BTU/hour.

Enter conversion details

Complete the fields below, then select Calculate.

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About this converter

How to use Power Converter, plus the formulas and logic behind the results.

Tool description

Convert power among watts, kilowatts, megawatts, mechanical horsepower, and BTU/hour. It provides an immediate educational result using the definitions shown below.

How to use

  1. Enter the value or text you want to convert.
  2. Choose the applicable units, direction, or mode.
  3. Select Calculate to produce the result.
  4. Review the formula and note before using the result.

Formulas & reference

  • base watts = input × source factor
  • 1 mechanical hp = 745.7 W; 1 BTU/h ≈ 0.29307107 W

Calculation logic

Power is normalized to watts before conversion to the target unit.

Mechanical horsepower is used; electrical, metric, and boiler horsepower differ.

Power Converter FAQ

Common questions about this conversion and how to interpret the result.

What does this tool calculate?

Convert power among watts, kilowatts, megawatts, mechanical horsepower, and BTU/hour.

How do I use this calculator?

Complete the input fields, choose the required options, and select Calculate.

Which formula is used?

base watts = input × source factor

Are results rounded?

Calculations use full floating-point precision; displayed values are formatted for readability.

Can I enter decimal values?

Yes. Numeric fields accept decimal values unless a field specifically represents text.

Is the result authoritative?

No. It is an educational estimate; verify critical engineering, billing, health, or safety work independently.