Calorie (small) to Joule
Free instant calorie (small) to joule converter. 1 cal = 4.184 J.
Common Calorie (small) to Joule values
| Calorie (small) (cal) | Joule (J) |
|---|---|
| 1 | 4.184 |
| 5 | 20.92 |
| 10 | 41.84 |
| 25 | 104.6 |
| 50 | 209.2 |
| 100 | 418.4 |
| 500 | 2092 |
| 1000 | 4184 |
How does Calorie (small) to Joule conversion work?
Type a value in the Calorie (small) (cal) field and the equivalent in Joule (J) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Calorie (small). The amount of energy needed to raise 1 gram of water by 1°C. Often confused with the food Calorie (which is actually a kilocalorie).
Joule. The SI unit of energy. About the energy of a small apple falling from waist height.
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Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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