Kilojoules to Calories
One kilojoule is 239.0057 calories. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.
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1 kilojoule = 239.0057 calories · open this conversion
Formula
calories = kilojoules × 239.005736
A food Calorie (capital C) is a kilocalorie. The thermochemical calorie of 4.184 J is used here.
Kilojoules to Calories table
| Kilojoules | Calories |
|---|---|
| 1 kJ | 239.0057 cal |
| 2 kJ | 478.0115 cal |
| 5 kJ | 1,195.029 cal |
| 10 kJ | 2,390.057 cal |
| 20 kJ | 4,780.115 cal |
| 25 kJ | 5,975.143 cal |
| 50 kJ | 11,950.29 cal |
| 100 kJ | 23,900.57 cal |
| 150 kJ | 35,850.86 cal |
| 200 kJ | 47,801.15 cal |
| 250 kJ | 59,751.43 cal |
| 300 kJ | 71,701.72 cal |
| 400 kJ | 95,602.29 cal |
| 500 kJ | 119,502.9 cal |
| 600 kJ | 143,403.4 cal |
| 800 kJ | 191,204.6 cal |
| 1,000 kJ | 239,005.7 cal |
| 1,500 kJ | 358,508.6 cal |
| 2,000 kJ | 478,011.5 cal |
| 2,500 kJ | 597,514.3 cal |
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Other energy conversions
⇄ Calories to KilojoulesKilojoules to JoulesKilojoules to KilocaloriesKilojoules to Watt hoursKilojoules to Kilowatt hours
Frequently asked questions
▸How many calories are in a kilojoule?
One kilojoule is 239.0057 calories. calories = kilojoules × 239.005736.
▸How do I convert kilojoules to calories?
Multiply the number of kilojoules by 239.005736. For example, 10 kJ × 239.005736 = 2,390.057 cal.
▸What is the difference between kilojoules and calories?
Kilojoule (kJ) and Calorie (cal) both measure energy. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.
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