🔄 Converters
Energy Converter
Convert joules, kilojoules, calories, watt-hours, kWh, and BTU.
Ready to use · Runs in your browser · No signup
1 Kilowatt-hours = 3,600 Kilojoules
How to use the Energy Converter
Convert common scientific, electrical, thermal, and food-energy units using defined or standard conversion values.
- Enter an energy amount.
- Choose the source and target units.
- Fieldlet converts through joules and displays the equivalent amount.
Last reviewed for accuracy:
Common questions
Is a food Calorie the same as a kilocalorie?
In nutrition, a capital-C Calorie commonly refers to one kilocalorie, or 4,184 joules.