Energy Converter
Convert energy (Joules,Kilojoules,Calories,Kilocalories,Watt-hours,Kilowatt-hours,BTU,Electronvolts) instantly in your browser — nothing uploaded.
- Kilojoules0.001
- Calories0.239006
- Kilocalories0.000239006
- Watt-hours0.000277778
- Kilowatt-hours2.77778e-7
- BTU0.000947817
- Electronvolts6241510000000000000
How the Energy Converter Works
Converts mechanical and thermodynamic energy across Joules (J), Kilojoules (kJ), Calories (cal), Kilocalories (kcal / nutritional calories), Kilowatt-hours (kWh), and British Thermal Units (BTU).
Conversion Example
1 kilowatt-hour (kWh) of electricity = 3,600,000 Joules (3.6 MJ) = 3,412.14 BTU.
Frequently Asked Questions
What is the difference between a calorie (cal) and a food Calorie (kcal)?
A dietary food Calorie (with a capital C) is actually 1 kilocalorie (1,000 small gram-calories), equivalent to 4,184 Joules.