Energy & Work Converter
Joules to Calories Converter (Thermochemical)
Convert mechanical work in Joules (J) to scientific calories (cal).
Energy & Work
(J)
Example: 1000 J
(cal)
e.g. 239.0057cal
Standard: 1 cal = 4.184 J
Enter any number above to convert Joules to Calories. Click (i) for brief unit info.
Converting the other way?
Switch directly to the reverse calculator: Calories to Joules Converter (Thermochemical)
How to Convert Joule to Calorie (Thermochemical)
Official Mathematical Formula
calories = Joules ÷ 4.184
Where the input value in J is transformed using the exact standardized conversion factor to produce the output in cal.
Practical Calculation Example
You can verify this calculation directly using our interactive tool above.
Quick Conversion Reference Table (J → cal)
Joule (J) | Calorie (Thermochemical) (cal) | Copy |
|---|---|---|
| 1 J | 0.23901 cal | |
| 2 J | 0.47801 cal | |
| 3 J | 0.71702 cal | |
| 5 J | 1.19503 cal | |
| 10 J | 2.39006 cal | |
| 15 J | 3.58509 cal | |
| 20 J | 4.78011 cal | |
| 25 J | 5.97514 cal | |
| 50 J | 11.9503 cal | |
| 75 J | 17.9254 cal | |
| 100 J | 23.9006 cal | |
| 250 J | 59.7514 cal | |
| 500 J | 119.5029 cal | |
| 1000 J | 239.0057 cal |
Joule to Calorie (Thermochemical) FAQs
1 food Calorie (with a capital C) is actually 1 kilocalorie (1,000 small calories or 4,184 Joules).