Calories To Megajoules Converter
Reverse Conversion
How This Converter Works
Convert calories to megajoules. Select the reverse direction to convert back.
Formula or rule
MJ = cal * 4.1840000000000001e-06; cal = MJ / 4.1840000000000001e-06
Example
- Input
- 1 cal
- Calculation
- 1 * 4.1840000000000001e-06 = 4.1840000000000001e-06
- Result
- 4.1840000000000001e-06 MJ
Notes
The British thermal unit is the International Table (IT) Btu; calories use the thermochemical definition (1 cal = 4.184 J); one ton of TNT is conventionally 4.184 gigajoules.