Convert Kilocalorie to Megajoule
Type the number of kilocalories that you wish to convert to megajoules.
How to Convert Kilocalories to Megajoules
The kilocalorie and megajoule are both units of energy. 1 megajoule equals 239.00573614 kilocalories. This means to convert kilocalories to megajoules, you divide by 239.00573614.
Formula
Step-by-Step Example
Convert 5 kcal to megajoules:
We need to convert kilocalories to megajoules
Since 1 MJ = 239.00573614 kcal, divide by 239.00573614
5 ÷ 239.00573614 = 0.02092
5 kcal = 0.02092 MJ
Kilocalorie to Megajoule Conversion Table
Quick reference table for common kilocalorie to megajoule conversions. Click any value for detailed calculation.
| Kilocalories (kcal) | Megajoules (MJ) |
|---|---|
| 0.1 kcal | 0.0004184 MJ |
| 0.5 kcal | 0.002092 MJ |
| 1 kcal | 0.004184 MJ |
| 2 kcal | 0.008368 MJ |
| 5 kcal | 0.02092 MJ |
| 10 kcal | 0.04184 MJ |
| 25 kcal | 0.1046 MJ |
| 50 kcal | 0.2092 MJ |
| 100 kcal | 0.4184 MJ |
About These Units
Kilocalorie (kcal)
A kilocalorie (kcal), often written as "Calorie" (capital C) on food labels, equals 1,000 small calories or 4,184 joules. Kilocalories measure food energy. Average adult needs 2,000-2,500 kcal daily. Walking one mile burns about 80-100 kcal.
Megajoule (MJ)
A megajoule (MJ) equals 1,000,000 joules or approximately 0.278 kilowatt-hours. Megajoules measure fuel energy content (gasoline: ~34 MJ/liter), industrial processes, and large-scale energy consumption. One MJ equals about 239 kilocalories.
Frequently Asked Questions
How do I convert kilocalories to megajoules?
To convert kilocalories to megajoules, divide the value by 239.00573614. For example, 10 kcal = 0.04184 MJ.
How many megajoules are in 1 kilocalorie?
1 kilocalorie equals 0.004184 megajoules.
What is the formula for kilocalories to megajoules?
The formula is: MJ = kcal ÷ 239.00573614.