# Calories to Million BTU Converter

Enter the energy in calories below to get the value converted to million BTU.

## Result in Million BTU:

1 cal = 3.9657E-9 MMBTU
Hint: use a scientific notation calculator to convert E notation to decimal

Do you want to convert million BTU to calories?

## How to Convert Calories to Million BTU

To convert a measurement in calories to a measurement in million BTU, multiply the energy by the following conversion ratio: 3.9657E-9 million BTU/calorie.

Since one calorie is equal to 3.9657E-9 million BTU, you can use this simple formula to convert:

million BTU = calories × 3.9657E-9

The energy in million BTU is equal to the energy in calories multiplied by 3.9657E-9.

For example, here's how to convert 500,000,000 calories to million BTU using the formula above.
million BTU = (500,000,000 cal × 3.9657E-9) = 1.982833 MMBTU

## What Is a Calorie?

One calorie is equal to the heat needed to raise the temperature of one gram of water from 14.5 to 15.5 degrees Celsius.

When measuring the energy content in foods, the large calorie, or kilocalorie is used, but it's often still just called a "calorie." When both the calorie and large calorie are used in the same context it is common to refer to the calorie as a "small calorie."

Calories can be abbreviated as cal; for example, 1 calorie can be written as 1 cal.

## What Is a Million BTU?

One million BTU is a measure of heat energy equal to 1,000,000 BTU, which are equal to the amount of heat energy required to increase the temperature of one pound of water one degree Fahrenheit.

The million BTU is a US customary unit of energy. Million BTU can be abbreviated as MMBTU; for example, 1 million BTU can be written as 1 MMBTU.

## Calorie to Million BTU Conversion Table

Table showing various calorie measurements converted to million BTU.
Calories Million BTU
1 cal 0.0000000039657 MMBTU
2 cal 0.0000000079313 MMBTU
3 cal 0.000000011897 MMBTU
4 cal 0.000000015863 MMBTU
5 cal 0.000000019828 MMBTU
6 cal 0.000000023794 MMBTU
7 cal 0.00000002776 MMBTU
8 cal 0.000000031725 MMBTU
9 cal 0.000000035691 MMBTU
10 cal 0.000000039657 MMBTU
100 cal 0.00000039657 MMBTU
1,000 cal 0.0000039657 MMBTU
10,000 cal 0.000039657 MMBTU
100,000 cal 0.000397 MMBTU
1,000,000 cal 0.003966 MMBTU
10,000,000 cal 0.039657 MMBTU
100,000,000 cal 0.396567 MMBTU
1,000,000,000 cal 3.9657 MMBTU