kJ to cal
Convert Kilojoule to Calorie
Convert Kilojoule to Calorie instantly with the tool above. The conversion factor is 239.00573614, meaning 1 kilojoule equals 239.00573614 calories. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Kilojoule = 239.00573614 calories
1 Calorie = 0.004184 kilojoules
Quick reference
Common kilojoules converted to calories at a glance.
| kJ | cal |
|---|---|
| 1 | 239.00573614 |
| 2 | 478.01147228 |
| 5 | 1,195.02868069 |
| 10 | 2,390.05736138 |
| 25 | 5,975.14340344 |
| 50 | 11,950.28680688 |
| 100 | 23,900.57361377 |
| 500 | 119,502.86806883 |
| 1,000 | 239,005.73613767 |
How to convert kilojoules to calories
To convert a value from kilojoules to calories, multiply the kilojoule value by 239.00573614 calories. For example, 10 kilojoules × that factor = 2,390.05736138 calories.
This kilojoule to calorie converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many calories are in 1 kilojoule?+
1 kilojoule is equal to 239.00573614 calories.
How do you convert kilojoules to calories?+
To convert kilojoules to calories, multiply the kilojoule value by 239.00573614. For example, 10 kilojoules × 239.00573614 = 2,390.05736138 calories.
What is the formula to convert kilojoules to calories?+
Kilojoule → Calorie: value × 239.00573614. Equivalently, 1 kilojoule = 239.00573614 calories.
Is this Kilojoule to Calorie converter free to use?+
Yes. This kilojoule to calorie converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.