What is a Power Converter?

A Power Converter changes power values from one unit to another, such as watts to kilowatts or horsepower to watts.

Is this Power Converter free?

Yes. This online Power Converter is free to use and works directly in your browser.

Power Converter - Convert Watts Kilowatts Horsepower Online Free | The MuffinPost

Free Unit Converter

Power Converter

Convert power units instantly. Switch between watts, kilowatts, megawatts, horsepower, BTU per hour, calories per second and more.

Convert Power

Value Type any power value to convert it instantly.

From unit Choose the original power unit.

To unit Choose the unit you want to convert to.

Quick References 1 kW = 1,000 W
1 MW = 1,000,000 W
1 mechanical hp = 745.699872 W
1 BTU/h = 0.293071 W

Result

1,000 W 1 kilowatt equals 1,000 watts

1,000Watts

1Kilowatts

0.001Megawatts

1.34102Horsepower

3,412.14BTU/h

238.846cal/s

Popular Conversions

How to Use the Power Converter

Convert power units in three simple steps.

1. Enter power

Type the power value you want to convert.

2. Choose units

Select the original power unit and the target unit.

3. View result

See the converted value and common power equivalents instantly.

Fast power conversion for electricity, engines and HVAC.

This Power Converter helps students, electricians, engineers, mechanics and everyday users convert power values across electrical, mechanical and heating units with accurate browser-based calculations.

✅ Convert watts, kilowatts and megawatts

✅ Supports horsepower and BTU per hour

✅ Instant results while typing

✅ Works directly in your browser

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Power Converter FAQ

Common questions about converting power units.

How many watts are in one kilowatt?

One kilowatt equals exactly 1,000 watts.

How many watts are in one horsepower?

One mechanical horsepower equals approximately 745.699872 watts.

What is BTU per hour?

BTU per hour is a power unit commonly used for heating and cooling systems.

Does this converter use a backend?

No. All power conversions run directly in your browser with HTML, CSS and JavaScript.