Calories to megajoules

From

To0.000004184

1 cal = 0.000004184 MJ

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 0.000004184 to get megajoules.
MJ = cal × 0.000004184

How to convert calories to megajoules

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.

Reverse conversion: megajoules to calories

Calories to megajoules – common values

Calories (cal)	Megajoules (MJ)
1	0.000004184
2	0.000008368
5	0.00002092
10	0.00004184
20	0.00008368
50	0.0002092
100	0.0004184
250	0.001046
500	0.002092
1,000	0.004184

About the units

Calories. A calorie is the energy needed to heat one gram of water by one degree. Food "calories" are actually kilocalories.

Other common conversions

Kilocalories → kilojoules Kilojoules → kilocalories Kilowatt-hours → megajoules British thermal units → kilowatt-hours Calories → joules All units in this category