Convert energy units: calories, kcal, joules, kJ, kWh, BTU and more.
What is the Energy Converter?
Convert energy between joules, calories, food calories (kcal), watt-hours, kWh and BTU instantly. Enter a value, choose the units, and see the answer plus a table with the value in every unit.
How to use the Energy Converter
- Enter the value.
- Choose the unit you have and the unit you want.
- Read the result or use the full table.
Frequently asked questions
Is a food Calorie the same as kcal?
Yes. The "Calories" on food labels are kilocalories (kcal). 1 kcal = 4.184 kJ.
This energy converter is 100% free, needs no signup and runs in your browser, so your data stays private.
Last updated: · By NodifyTech