Kj to Cal ConverterRight in Your Browser
Convert kilojoules (kJ) to calories (cal). The kilojoule (kJ) is 1,000 joules — the energy unit on food labels in Australia, New Zealand and much of Europe. The calorie (cal) is the small scientific calorie — the heat to warm one gram of water by one degree Celsius. Everything is calculated locally in your browser — no server, and it works offline.
239.006 cal
in calories (calorie)
To convert kilojoules to calories, multiply the kilojoule value by 239.006.
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| Kilojoules (kJ) | Calories (cal) |
|---|---|
| 1 | 239.006 |
| 2 | 478.011 |
| 3 | 717.017 |
| 4 | 956.023 |
| 5 | 1195.03 |
| 10 | 2390.06 |
| 20 | 4780.11 |
| 50 | 11950.3 |
| 100 | 23900.6 |
Frequently Asked Questions
How many calories are in a kilojoule?
One kilojoule equals 239.006 calories (1 kJ = 239.006 cal). So to go from kilojoules to calories, multiply the kilojoule value by 239.006.
What is the formula to convert kilojoules to calories?
To convert kilojoules to calories, multiply the kilojoule value by 239.006. For example, 10 kJ is 2390.06 cal.
What is 8700 kilojoules in calories?
8700 kilojoules — an adult's typical daily energy intake — is 2079350 calories. The converter above works for any value, entirely in your browser.
Is the kilojoule to calorie conversion exact?
The factor used here is the defined value: 1 kJ = 239.0057361 cal. Results are rounded to six significant digits for readability, so for high-precision work use the full factor. This is the thermochemical calorie, defined as exactly 4.184 J. Note that food-label "Calories" are actually kilocalories — 1,000 of these small calories.
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