kilojoules to calories
Convert kilojoule to calorie (small) — instant, free, with the formula shown.
How to convert kilojoule to calorie (small)
To convert kilojoule to calorie (small), multiply by 239.00573614:
For example, 10 kJ × 239.005736 = 2390.057361 cal.
kJ to cal conversion table
| kilojoules (kJ) | calories (cal) |
|---|---|
| 1 kJ | 239.005736 cal |
| 2 kJ | 478.011472 cal |
| 5 kJ | 1195.028681 cal |
| 10 kJ | 2390.057361 cal |
| 25 kJ | 5975.143403 cal |
| 50 kJ | 11950.286807 cal |
| 100 kJ | 23900.573614 cal |
| 250 kJ | 59751.434034 cal |
| 500 kJ | 119502.868069 cal |
| 1000 kJ | 239005.736138 cal |
Other kilojoule conversions
Convert to calorie (small) from another unit
kJ to cal — frequently asked
How many calories are in 1 kilojoule?
1 kilojoule = 239.005736 calories (kJ × 239.005736 = cal).
What is the formula to convert kilojoule to calorie (small)?
Multiply your kilojoule value by 239.00573614 to get calorie (small).
How do I convert 10 kilojoules to calories?
10 kJ = 2390.057361 cal. For 100 kJ the answer is 23900.573614 cal. Use the calculator on this page for any other value.
When to convert kilojoule to calorie (small)
Energy conversion — common questions
Is a food calorie the same as a calorie?
No — a food 'Calorie' (capital C) actually means 1 kilocalorie = 1,000 small calories = 4,184 J. Nutrition labels typically write 'cal' meaning kcal.
How many joules in 1 kWh?
1 kWh = 3,600,000 J (3.6 MJ). Because 1 kW × 1 hour = 1,000 W × 3,600 s = 3,600,000 J.
What is a BTU?
British Thermal Unit — the energy required to raise 1 pound of water by 1 °F. 1 BTU ≈ 1,055 J.