How Many Megajoules in a Kilocalorie?

Quick Answer
1 Kilocalorie = 0.004 Megajoules

1 kcal = 0.004 MJ

Formula

MJ = kcal × 0.004

Conversion Table

Kilocalories (kcal)Megajoules (MJ)
1 kcal0.004 MJ
2 kcal0.008 MJ
5 kcal0.021 MJ
10 kcal0.042 MJ
20 kcal0.084 MJ
50 kcal0.209 MJ
100 kcal0.418 MJ
500 kcal2.092 MJ
1,000 kcal4.184 MJ

Worked Examples

Convert 5 kcal to MJ:
5 kcal × 0.004 = 0.021 MJ
Convert 10 kcal to MJ:
10 kcal × 0.004 = 0.042 MJ
Convert 50 kcal to MJ:
50 kcal × 0.004 = 0.209 MJ

FAQ

How many Megajoules are in 1 Kilocalorie?
There are 0.004 Megajoules in 1 Kilocalorie. Formula: MJ = kcal × 0.004.
How to convert Kilocalories to Megajoules?
To convert Kilocalories to Megajoules, multiply the number of Kilocalories by 0.004. For example, 10 kcal = 0.042 MJ.
How many Megajoules are in 100 Kilocalories?
There are 0.418 Megajoules in 100 Kilocalories. Calculation: 100 × 0.004 = 0.418.