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Energy ConverterUnit Converters

Energy Converter

Convert joules, watt-hours, calories, BTU, foot-pounds and electronvolts with clear unit definitions.

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What Is the Energy Converter?

The Energy Converter connects mechanical, electrical, thermal and particle-energy units through joules. It separates thermochemical calories from dietary kilocalories and includes both watt-hours and kilowatt-hours.

How It Works

Enter the energy quantity, choose source and target units and adjust output precision. The complete table exposes every equivalent for cross-checking.

When to Use It

Use it for electricity, batteries, food energy, heating and cooling, mechanics and physics calculations.

Frequently Asked Questions

Is A Food Calorie The Same As A Small Calorie?
No. A dietary Calorie is a kilocalorie, equal to 1,000 small thermochemical calories.

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