Convert kilocalorie (kcal) to kilojoule (kJ).
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Kilojoule to Kilocalorie Converter (kJ to kcal)
Convert kilojoule (kJ) to kilocalorie (kcal).Unit Converter · Energy
Quick answer
1 kilojoule (kJ) is approximately equal to 0.2390057 kilocalories (kcal). 1 kilocalorie (kcal) is equal to 4.184 kilojoules (kJ).
To convert kJ to kcal, multiply the value in kilojoules by 0.2390057361 (or divide by 4.184). For example, 10 kJ = 2.39005736 kcal, and 100 kJ = 23.90057361 kcal.
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Quick reference — kilojoule to kilocalorie
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How to convert kilojoules to kilocalories
How many kilocalories are in a kilojoule? 1 kilojoule is about 0.2390057 kilocalories. This free kJ to kcal converter and kilojoule to kilocalorie calculator gives the answer instantly for any value.
To convert kilojoule (kJ) to kilocalorie (kcal), multiply the value in kilojoules by 0.2390057361, or divide it by 4.184.
kcal = kJ × 0.2390057361
- 1
Take the value in kilojoules
For example, 25 kJ.
- 2
Multiply by 0.2390057361
25 × 0.2390057361.
- 3
Read the answer in kilocalories
25 kJ = 5.9751434 kcal.
Kilojoule to Kilocalorie conversion table
Common values from 1 to 1,000 kilojoules converted to kilocalories.
| Kilojoule (kJ) | Kilocalorie (kcal) |
|---|---|
| 1 kJ | 0.23900574 kcal |
| 2 kJ | 0.47801147 kcal |
| 3 kJ | 0.71701721 kcal |
| 4 kJ | 0.95602294 kcal |
| 5 kJ | 1.19502868 kcal |
| 6 kJ | 1.43403442 kcal |
| 7 kJ | 1.67304015 kcal |
| 8 kJ | 1.91204589 kcal |
| 9 kJ | 2.15105163 kcal |
| 10 kJ | 2.39005736 kcal |
| 15 kJ | 3.58508604 kcal |
| 20 kJ | 4.78011472 kcal |
| 25 kJ | 5.9751434 kcal |
| Kilojoule (kJ) | Kilocalorie (kcal) |
|---|---|
| 30 kJ | 7.17017208 kcal |
| 40 kJ | 9.56022945 kcal |
| 50 kJ | 11.95028681 kcal |
| 60 kJ | 14.34034417 kcal |
| 70 kJ | 16.73040153 kcal |
| 75 kJ | 17.92543021 kcal |
| 80 kJ | 19.12045889 kcal |
| 90 kJ | 21.51051625 kcal |
| 100 kJ | 23.90057361 kcal |
| 250 kJ | 59.75143403 kcal |
| 500 kJ | 119.50286807 kcal |
| 1,000 kJ | 239.00573614 kcal |
About kilojoules and kilocalories
Kilojoule (kJ)
A kilojoule (kJ) is 1,000 joules. Food energy on nutrition labels is often shown in kJ as well as kcal.
Kilocalorie (kcal)
A kilocalorie (kcal) is 1,000 calories, or 4,184 joules. It is the "Calorie" used on food labels and in diet and fitness tracking.
kJ to kcal: common questions
- How many kilocalories are in 1 kilojoule?
- 1 kilojoule (kJ) is approximately equal to 0.2390057 kilocalories (kcal). In short: 1 kJ ≈ 0.2390057 kcal.
- How do I convert kilojoules to kilocalories?
- To convert kJ to kcal, multiply the value in kilojoules by 0.2390057361 (or divide by 4.184). For example, 5 kJ = 1.19502868 kcal.
- How do I convert kilocalories to kilojoules?
- To convert kcal to kJ, multiply the value in kilocalories by 4.184. Or open the Kilocalorie to Kilojoule converter, which does it for you.
- What is 10 kJ in kcal, and what is 100 kJ?
- 10 kJ = 2.39005736 kcal, and 100 kJ = 23.90057361 kcal. The table above lists more values from 1 to 1,000.
- Is this kJ to kcal converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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