Joules to Kilocalories
One joule is 0.0002390057 kilocalories. 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 joule = 0.0002390057 kilocalories · open this conversion
Formula
kilocalories = joules × 0.000239005736
A food Calorie (capital C) is a kilocalorie. The thermochemical calorie of 4.184 J is used here.
Joules to Kilocalories table
| Joules | Kilocalories |
|---|---|
| 1 J | 0.0002390057 kcal |
| 2 J | 0.0004780115 kcal |
| 5 J | 0.001195029 kcal |
| 10 J | 0.002390057 kcal |
| 20 J | 0.004780115 kcal |
| 25 J | 0.005975143 kcal |
| 50 J | 0.01195029 kcal |
| 100 J | 0.02390057 kcal |
| 150 J | 0.03585086 kcal |
| 200 J | 0.04780115 kcal |
| 250 J | 0.05975143 kcal |
| 300 J | 0.07170172 kcal |
| 400 J | 0.09560229 kcal |
| 500 J | 0.1195029 kcal |
| 600 J | 0.1434034 kcal |
| 800 J | 0.1912046 kcal |
| 1,000 J | 0.2390057 kcal |
| 1,500 J | 0.3585086 kcal |
| 2,000 J | 0.4780115 kcal |
| 2,500 J | 0.5975143 kcal |
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Other energy conversions
⇄ Kilocalories to JoulesJoules to KilojoulesJoules to CaloriesJoules to Watt hoursJoules to Kilowatt hours
Frequently asked questions
▸How many kilocalories are in a joule?
One joule is 0.0002390057 kilocalories. kilocalories = joules × 0.000239005736.
▸How do I convert joules to kilocalories?
Multiply the number of joules by 0.000239005736. For example, 10 J × 0.000239005736 = 0.002390057 kcal.
▸What is the difference between joules and kilocalories?
Joule (J) and Kilocalorie (kcal) 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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