1 Kilocalories to Kilojoules converter
1 kilocalories equals 4.184 kilojoules. Here’s the answer, the formula, and nearby values.
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1 kcal = 4.184 kJ
Nearby kcal to kJ values
0 kcal = 0 kJ
1 kcal = 4.184 kJthis page
2 kcal = 8.368 kJ
3 kcal = 12.552 kJ
100 kcal = 418.4 kJ200 kcal = 836.8 kJ250 kcal = 1,046 kJHow to convert 1 kilocalories to kilojoules
To convert kilocalories to kilojoules, multiply by 4.184. So 1 × 4.184 = 4.184 kJ.
Formula
kJ = kcal × 4.184
Frequently asked
What is 1 kcal in kJ?
1 kcal equals 4.184 kJ.
How do I convert 1 kilocalories to kilojoules?
Multiply 1 by 4.184: 1 × 4.184 = 4.184 kJ.
What is 1 kJ back in kcal?
Converting the other way, 1 kJ equals 0.239006 kcal.
Is 1 kcal to kJ the same everywhere?
Yes — the kilocalories-to-kilojoules ratio is constant, so 1 kcal is always 4.184 kJ.
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