kcal → MJ converter

Convert kilocalories to megajoule (Energy)

1 kcal = 0.004184 MJ · 1 MJ = 239.0057361 kcal

100 kcal = 0.4184 MJ

Advertisement

Table Of Contents

Kilocalories to megajoule Conversion

1 kilocalories (kcal) is equal to 0.004184 megajoule (MJ).

1 kcal = 0.004184 MJ

or

1 MJ = 239.0057361 kcal

Formula

To convert a energy from kilocalories (kcal) to megajoule (MJ), divide the energy in kilocalories by 239.0057361

e(MJ) = e(kcal) / 239.0057361

Examples:

Convert 100 kilocalories to megajoule:

e(MJ) = 100kcal / 239.0057361 = 0.4184 MJ

Conversion table

Kilocalories (kcal) Megajoule (MJ)
1 kcal 0.004184 MJ
2 kcal 0.008368 MJ
3 kcal 0.012552 MJ
5 kcal 0.02092 MJ
10 kcal 0.04184 MJ
20 kcal 0.08368 MJ
25 kcal 0.1046 MJ
50 kcal 0.2092 MJ
100 kcal 0.4184 MJ
250 kcal 1.046 MJ
500 kcal 2.092 MJ
1000 kcal 4.184 MJ
Megajoule (MJ) Kilocalories (kcal)
1 MJ 239.005736138 kcal
2 MJ 478.011472275 kcal
3 MJ 717.017208413 kcal
5 MJ 1195.028680688 kcal
10 MJ 2390.057361377 kcal
20 MJ 4780.114722753 kcal
25 MJ 5975.143403442 kcal
50 MJ 11950.286806883 kcal
100 MJ 23900.573613767 kcal
250 MJ 59751.434034417 kcal
500 MJ 119502.868068834 kcal
1000 MJ 239005.736137667 kcal

Frequently asked questions

How do I convert kilocalories to megajoule?

Divide the value in kilocalories by 239.0057361 to get the result in megajoule. For example, 5 kcal ÷ 239.0057361 = 0.02092 MJ.

How many megajoule are in 1 kilocalories?

1 kilocalories (kcal) is equal to 0.004184 megajoule (MJ).

How do I convert megajoule back to kilocalories?

Use the inverse operation: multiply the value in megajoule by 239.0057361 to get the result in kilocalories.

How accurate is the kilocalories to megajoule conversion?

The converter multiplies by the conversion factor 239.0057361 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.

Sources

Conversion factors are based on internationally recognised standards: