ENERGY CONVERSION

Calorie (thermochemical) to Megajoule.

Convert calorie (thermochemical) (cal) to megajoule (MJ), with the math explained.

Energy converter
cal
0.000004184MJ
THE RESULT

1 cal = 0.000004184 MJ

Calculated in your browserFormula & conversion table

THE MATH, MADE SIMPLE

How to convert calorie (thermochemical) to megajoule

Multiply your calorie (thermochemical) value by 0.000004184 to get the equivalent in megajoule. Both units are normalized through the joule.

CONVERSION FORMULAMJ = cal × 0.000004184
WORKED EXAMPLE

10 cal = 0.00004184 MJ

Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.

QUICK REFERENCE

cal to MJ conversion table

Reverse
Calorie (thermochemical) (cal)Megajoule (MJ)
1 cal0.000004184 MJ
2 cal0.000008368 MJ
5 cal0.00002092 MJ
10 cal0.00004184 MJ
20 cal0.00008368 MJ
50 cal0.0002092 MJ
100 cal0.0004184 MJ
500 cal0.002092 MJ
1,000 cal0.004184 MJ
cal

About the calorie (thermochemical)

The calorie (thermochemical) (cal) is a unit of energy. One calorie (thermochemical) equals 4.184 joule (base unit) in this calculator.

All calorie (thermochemical) conversions
MJ

About the megajoule

The megajoule (MJ) is a unit of energy. One megajoule equals 1,000,000 joule (base unit) in this calculator.

All megajoule conversions

Common questions

What is 1 cal in MJ?

One calorie (thermochemical) equals 0.000004184 MJ. Use the formula above for other values.

Why might another calculator show a different last digit?

Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.

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