Calories to Kilojoules Converter

Convert calories to kilojoules instantly, with the formula and a quick conversion table.

Quick answer: Calories to Kilojoules Converter: Convert calories to kilojoules instantly, with the formula and a quick conversion table. Everything runs in your browser, so nothing you enter is uploaded or stored.

How to use Calories to Kilojoules Converter

  1. Enter your values in the fields.
  2. The results update instantly as you type.
  3. Note or copy the numbers you need.

Features

Frequently asked questions

How many kilojoules are in 1 calorie?

1 cal equals 0.004184 kJ.

What is the formula to convert cal to kJ?

Multiply the number of cal by 0.004184 to get kJ.

How do I convert kJ back to cal?

Divide by 0.004184, or use the Kilojoules to Calories converter.

Is the Calories to Kilojoules Converter free?

Yes. It is free, needs no signup and works on any device.

More free tools