kilocalories to joules
Convert kilocalorie (food cal) to joule — instant, free, with the formula shown.
1 kcal=4184 J
How to convert kilocalorie (food cal) to joule
To convert kilocalorie (food cal) to joule, multiply by 4184:
J = kcal × 4184
For example, 10 kcal × 4184 = 41840 J.
kcal to J conversion table
| kilocalories (kcal) | joules (J) |
|---|---|
| 1 kcal | 4184 J |
| 2 kcal | 8368 J |
| 5 kcal | 20920 J |
| 10 kcal | 41840 J |
| 25 kcal | 104600 J |
| 50 kcal | 209200 J |
| 100 kcal | 418400 J |
| 250 kcal | 1046000 J |
| 500 kcal | 2092000 J |
| 1000 kcal | 4184000 J |
Other kilocalorie (food cal) conversions
Convert to joule from another unit
kcal to J — frequently asked
How many joules are in 1 kilocalorie (food cal)?
1 kilocalorie (food cal) = 4184 joules (kcal × 4184 = J).
What is the formula to convert kilocalorie (food cal) to joule?
Multiply your kilocalorie (food cal) value by 4184 to get joule.
How do I convert 10 kilocalories to joules?
10 kcal = 41840 J. For 100 kcal the answer is 418400 J. Use the calculator on this page for any other value.