kcal → GJ converter

Convert kilocalories to gigajoule (Energy)

1 kcal = 0.000004184 GJ · 1 GJ = 239005.7361 kcal

10 kcal = 4.184e-5 GJ

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Kilocalories to gigajoule Conversion

1 kilocalories (kcal) is equal to 0.000004184 gigajoule (GJ).

1 kcal = 0.000004184 GJ

or

1 GJ = 239005.7361 kcal

Formula

To convert a energy from kilocalories (kcal) to gigajoule (GJ), divide the energy in kilocalories by 239005.7361

e(GJ) = e(kcal) / 239005.7361

Examples:

Convert 10 kilocalories to gigajoule:

e(GJ) = 10kcal / 239005.7361 = 0.00004184 GJ

Conversion table

Kilocalories (kcal) Gigajoule (GJ)
1 kcal 4.184e-6 GJ
2 kcal 8.368e-6 GJ
3 kcal 1.2552e-5 GJ
5 kcal 2.092e-5 GJ
10 kcal 4.184e-5 GJ
20 kcal 8.368e-5 GJ
25 kcal 1.046e-4 GJ
50 kcal 2.092e-4 GJ
100 kcal 4.184e-4 GJ
250 kcal 0.001046 GJ
500 kcal 0.002092 GJ
1000 kcal 0.004184 GJ
Gigajoule (GJ) Kilocalories (kcal)
1 GJ 239005.736137667 kcal
2 GJ 478011.472275335 kcal
3 GJ 717017.208413002 kcal
5 GJ 1195028.680688337 kcal
10 GJ 2390057.361376673 kcal
20 GJ 4780114.722753346 kcal
25 GJ 5975143.403441682 kcal
50 GJ 1.1950286806883365e7 kcal
100 GJ 2.390057361376673e7 kcal
250 GJ 5.9751434034416825e7 kcal
500 GJ 1.1950286806883365e8 kcal
1000 GJ 2.390057361376673e8 kcal

Frequently asked questions

How do I convert kilocalories to gigajoule?

Divide the value in kilocalories by 239005.7361 to get the result in gigajoule. For example, 5 kcal ÷ 239005.7361 = 2.092e-5 GJ.

How many gigajoule are in 1 kilocalories?

1 kilocalories (kcal) is equal to 4.184e-6 gigajoule (GJ).

How do I convert gigajoule back to kilocalories?

Use the inverse operation: multiply the value in gigajoule by 239005.7361 to get the result in kilocalories.

How accurate is the kilocalories to gigajoule conversion?

The converter multiplies by the conversion factor 239005.7361 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: