Unit Converters / Energy Converter
Energy Converter
Convert between Joules, Calories, and Kilowatt-hours.
Features
- Joules, calories, kWh supported
- One-click unit swap
- Instant results
- Free, unlimited use
How to Use
Step 1
Enter a value.
Step 2
Choose your from and to units.
Step 3
Click Convert.
About This Tool
Energy Converter instantly converts values between Joules, Kilojoules, Calories, Kilocalories, Watt-hours, and Kilowatt-hours.
Frequently Asked Questions
Is a food calorie the same as a physics calorie?
A food "Calorie" (capital C) is actually a kilocalorie; this tool uses the standard calorie unit for calculations.
How accurate are the conversions?
Conversions use standard, precise conversion factors.