Kilocalorie to Joule
1 kcal = 4,184 J
One kilocalorie equals 4,184 joules, and one joule equals 0.000239 kilocalories.
Kilocalorie to Joule formula
J = kcal × 4184
To convert kilocalories to joules, multiply the value by 4184. One kilocalorie equals 4,184 joules.
Step-by-step examples
Convert 1 kilocalories to joules
- 1Start with the value in kilocalories: 1 kcal.
- 2Multiply by the conversion factor 4184.
- 31 × 4184 = 4,184 J.
Result: 1 kcal = 4,184 J
Convert 10 kilocalories to joules
- 1Start with the value in kilocalories: 10 kcal.
- 2Multiply by the conversion factor 4184.
- 310 × 4184 = 41,840 J.
Result: 10 kcal = 41,840 J
Convert 100 kilocalories to joules
- 1Start with the value in kilocalories: 100 kcal.
- 2Multiply by the conversion factor 4184.
- 3100 × 4184 = 418,400 J.
Result: 100 kcal = 418,400 J
Kilocalorie to Joule conversion table
Kilocalorie to Joule chart
kcal (horizontal) vs J (vertical)
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Related converters
Reverse: Joule to KilocalorieConvert from the same unit
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Frequently asked questions
How many joules are in a kilocalorie?
There are 4,184 joules in one kilocalorie (1 kcal = 4,184 J).
How do you convert kilocalories to joules?
To convert kilocalories to joules, multiply the value by 4184. One kilocalorie equals 4,184 joules.
What is 10 kilocalories in joules?
10 kilocalories equals 41,840 joules.
How many kilocalories are in a joule?
One joule equals 0.000239 kilocalories (1 J = 0.000239 kcal).