Convert calorie (cal) to kilojoule (kJ).
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Kilojoule to Calorie Converter (kJ to cal)
Convert kilojoule (kJ) to calorie (cal).Unit Converter · Energy
Quick answer
1 kilojoule (kJ) is approximately equal to 239.0057 calories (cal). 1 calorie (cal) is equal to 0.004184 kilojoules (kJ).
To convert kJ to cal, multiply the value in kilojoules by 239.005736138. For example, 10 kJ = 2,390.05736138 cal, and 100 kJ = 23,900.5736138 cal.
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Quick reference — kilojoule to calorie
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How to convert kilojoules to calories
How many calories are in a kilojoule? 1 kilojoule is about 239.0057 calories. This free kJ to cal converter and kilojoule to calorie calculator gives the answer instantly for any value.
To convert kilojoule (kJ) to calorie (cal), multiply the value in kilojoules by 239.005736138.
cal = kJ × 239.005736138
- 1
Take the value in kilojoules
For example, 25 kJ.
- 2
Multiply by 239.005736138
25 × 239.005736138.
- 3
Read the answer in calories
25 kJ = 5,975.14340344 cal.
Kilojoule to Calorie conversion table
Common values from 1 to 1,000 kilojoules converted to calories.
| Kilojoule (kJ) | Calorie (cal) |
|---|---|
| 1 kJ | 239.00573614 cal |
| 2 kJ | 478.01147228 cal |
| 3 kJ | 717.01720841 cal |
| 4 kJ | 956.02294455 cal |
| 5 kJ | 1,195.02868069 cal |
| 6 kJ | 1,434.03441683 cal |
| 7 kJ | 1,673.04015296 cal |
| 8 kJ | 1,912.0458891 cal |
| 9 kJ | 2,151.05162524 cal |
| 10 kJ | 2,390.05736138 cal |
| 15 kJ | 3,585.08604207 cal |
| 20 kJ | 4,780.11472275 cal |
| 25 kJ | 5,975.14340344 cal |
| Kilojoule (kJ) | Calorie (cal) |
|---|---|
| 30 kJ | 7,170.17208413 cal |
| 40 kJ | 9,560.22944551 cal |
| 50 kJ | 11,950.2868069 cal |
| 60 kJ | 14,340.3441683 cal |
| 70 kJ | 16,730.4015296 cal |
| 75 kJ | 17,925.4302103 cal |
| 80 kJ | 19,120.458891 cal |
| 90 kJ | 21,510.5162524 cal |
| 100 kJ | 23,900.5736138 cal |
| 250 kJ | 59,751.4340344 cal |
| 500 kJ | 1,19,502.868069 cal |
| 1,000 kJ | 2,39,005.736138 cal |
About kilojoules and calories
Kilojoule (kJ)
A kilojoule (kJ) is 1,000 joules. Food energy on nutrition labels is often shown in kJ as well as kcal.
Calorie (cal)
A calorie (cal) here is the thermochemical calorie, exactly 4.184 joules. Food "Calories" are kilocalories, a thousand times larger.
kJ to cal: common questions
- How many calories are in 1 kilojoule?
- 1 kilojoule (kJ) is approximately equal to 239.0057 calories (cal). In short: 1 kJ ≈ 239.0057 cal.
- How do I convert kilojoules to calories?
- To convert kJ to cal, multiply the value in kilojoules by 239.005736138. For example, 5 kJ = 1,195.02868069 cal.
- How do I convert calories to kilojoules?
- To convert cal to kJ, divide the value in calories by 239.005736138. Or open the Calorie to Kilojoule converter, which does it for you.
- What is 10 kJ in cal, and what is 100 kJ?
- 10 kJ = 2,390.05736138 cal, and 100 kJ = 23,900.5736138 cal. The table above lists more values from 1 to 1,000.
- Is this kJ to cal 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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