Calories to joules
1 cal = 4.184 J
All units in this category
- 4.184J
- 0.004184kJ
- 0.000004184MJ
- 1cal
- 0.001kcal
- 0.0011622222Wh
- 0.0000011622222kWh
- 1.1622222E-9MWh
- 0.0039656668BTU
- 3.08596ft·lb
- 2.6114474E19eV
Formula
Multiply the value in calories by 4.184 to get joules.
J = cal × 4.184
How to convert calories to joules
Type a value in the field above and the result is calculated instantly. Use the arrow button to swap direction, or pick other units from the lists.
Calories to joules – common values
| Calories (cal) | Joules (J) |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 5 | 20.92 |
| 10 | 41.84 |
| 20 | 83.68 |
| 50 | 209.2 |
| 100 | 418.4 |
| 250 | 1,046 |
| 500 | 2,092 |
| 1,000 | 4,184 |
About the units
Calories. A calorie is the energy needed to heat one gram of water by one degree. Food "calories" are actually kilocalories.
Joules. The joule is the SI unit of energy: the work done by a force of one newton over one metre.