Convert calories to megajoules and back instantly with formula and common values.
To convert calories to megajoules, multiply by 4.1840e-6.
| Calories | Megajoules |
|---|---|
| 100 | 0.0004 |
| 1000 | 0.0042 |
| 10000 | 0.0418 |
| 100000 | 0.4184 |
| 1000000 | 4.184 |
| 5000000 | 20.92 |
| 10000000 | 41.84 |
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Multiply by 4.1840e-6. For example, 23 cal × 4.1840e-6 = 9.600e-5 MJ.
The formula is: MJ = cal × 4.1840e-6.
One calorie equals 4.000e-6 megajoules.