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Energy Unit Converter

Convert between 8 energy units including joules, calories, kWh, and BTU. Useful for physics, electrical, and nutrition calculations.

Conversion results

Kilojoules (kJ)0.001
Calories (cal)0.2390057361
Kilocalories (kcal)0.0002390057361
Watt-hours (Wh)0.0002777777778
Kilowatt-hours (kWh)2.777778e-7
Electron volts (eV)6.241509e+18
BTU0.0009478133945
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How to Use

Step 1

Input

Input

Enter an energy value and select a unit

Step 2

Auto Convert

Auto Convert

All conversions update in real-time

Step 3

Result

Result

Compare across 8 energy units

Features

8 Units

J, kJ, cal, kcal, Wh, kWh, eV, BTU

Real-time

All conversions update as you type

Wide Fields

Physics, electrical, nutrition

FAQ

4.184 kJ.