Convert Joules to Kilocalories
1 joule = 0.0002390057 kilocalories. Type any value below to convert in either direction — the calculation happens in your browser.
Joules to Kilocalories formula
Multiply the number of joules by 0.0002390057 to get kilocalories.
kilocalories = joules × 0.0002390057To go the other way: divide the number of kilocalories by 0.0002390057, or multiply by 4184.
joules = kilocalories ÷ 0.0002390057Joules to Kilocalories conversion table
| Joules | Kilocalories |
|---|---|
| 1 J | 0.0002390057 kcal |
| 2 J | 0.0004780115 kcal |
| 3 J | 0.0007170172 kcal |
| 4 J | 0.0009560229 kcal |
| 5 J | 0.001195029 kcal |
| 6 J | 0.001434034 kcal |
| 7 J | 0.00167304 kcal |
| 8 J | 0.001912046 kcal |
| 9 J | 0.002151052 kcal |
| 10 J | 0.002390057 kcal |
| 15 J | 0.003585086 kcal |
| 20 J | 0.004780115 kcal |
| 25 J | 0.005975143 kcal |
| 30 J | 0.007170172 kcal |
| 40 J | 0.009560229 kcal |
| 50 J | 0.01195029 kcal |
| 75 J | 0.01792543 kcal |
| 100 J | 0.02390057 kcal |
| 250 J | 0.05975143 kcal |
| 500 J | 0.1195029 kcal |
| 1,000 J | 0.2390057 kcal |
Kilocalories to Joules conversion table
| Kilocalories | Joules |
|---|---|
| 1 kcal | 4,184 J |
| 2 kcal | 8,368 J |
| 3 kcal | 12,552 J |
| 4 kcal | 16,736 J |
| 5 kcal | 20,920 J |
| 6 kcal | 25,104 J |
| 7 kcal | 29,288 J |
| 8 kcal | 33,472 J |
| 9 kcal | 37,656 J |
| 10 kcal | 41,840 J |
About the joule
The joule is the SI unit of energy — the work done by one newton acting over one metre.
About the kilocalorie
A kilocalorie is 1,000 calories and is the "Calorie" printed on nutrition labels.
Frequently asked questions
How many kilocalories are in a joule?
There are 0.0002390057 kilocalories in one joule.
How many joules are in a kilocalorie?
There are 4,184 joules in one kilocalorie.
Is this conversion exact?
The ratio between the joule and the kilocalorie is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 joules in kilocalories?
10 joules equals 0.002390057 kilocalories.
Related energy conversions
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- Joules to Calories
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- Kilojoules to Kilocalories
- Calories to Kilocalories
- Watt Hours to Kilocalories
- Kilowatt Hours to Kilocalories
- British Thermal Units to Kilocalories
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- Foot Pounds to Kilocalories