Energy calculator
Food Calories to Joules Converter
Convert food calories (cal) to joules (j) with the exact energy formula, worked examples, and a common-values table.
Exact conversion
Food Calories to joules formula
j = cal × 4184
1 cal equals 4184 j. 10 cal equals 41,840 j.
About these units
- cal
- Food calorie (cal) is a energy unit used in this converter.
- j
- Joule (j) is a energy unit used in this converter.
Common cal to j values
| cal | j |
|---|---|
| 1 cal | 4184 j |
| 5 cal | 20,920 j |
| 10 cal | 41,840 j |
| 25 cal | 104,600 j |
| 50 cal | 209,200 j |
| 100 cal | 418,400 j |
Formula
Food Calories to joules formula
j = cal × 4184
1 cal equals 4184 j. 10 cal equals 41,840 j.
FAQs
How do I convert food calories to joules?+
Use this formula: j = cal × 4184. Enter the cal value and the calculator applies the relationship immediately.
How many j are in 1 cal?+
1 cal equals 4184 j.
What is 10 cal in j?+
10 cal equals 41,840 j. The displayed result may be rounded, while the calculator keeps full precision internally.
Can I convert joules back to food calories?+
Yes. Use Swap in the converter to reverse the units and calculate j to cal.
How does the Food Calories to Joules Converter calculate the result?+
It uses the Food Calories to joules formula: j = cal × 4184. 1 cal equals 4184 j. 10 cal equals 41,840 j.
What information do I need to use the Food Calories to Joules Converter?+
Convert food calories (cal) to joules (j) with the exact energy formula, worked examples, and a common-values table.
Energy guide
How to use the Food Calories to Joules Converter
Convert food calories (cal) to joules (j) with the exact energy formula, worked examples, and a common-values table. The page also explains the food Calories to joules formula and shows a practical example: 1 cal equals 4184 j. 10 cal equals 41,840 j.
- 1
Enter your details
Enter the source value, then choose the units or values you want to convert.
- 2
Check the calculation
Review the result alongside the food Calories to joules formula: j = cal × 4184.
- 3
Compare scenarios
Change one or more inputs to see how they affect the food Calories to Joules Converter result before you use the estimate.
Was this calculator useful?
0/1200