Gigajoules to Million BTU Converter

Enter the energy in gigajoules below to convert it to million BTU.

Result in Million BTU:

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1 GJ = 0.947817 MMBTU
Learn how we calculate this below

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Joe is the creator of Inch Calculator and has over 20 years of experience in engineering and construction. He holds several degrees and certifications.

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How to Convert Gigajoules to Million BTU

To convert a measurement in gigajoules to a measurement in million BTU, multiply the energy by the following conversion ratio: 0.947817 million BTU/gigajoule.

Since one gigajoule is equal to 0.947817 million BTU, you can use this simple formula to convert:

million BTU = gigajoules × 0.947817

The energy in million BTU is equal to the energy in gigajoules multiplied by 0.947817.

For example, here's how to convert 5 gigajoules to million BTU using the formula above.

million BTU = (5 GJ × 0.947817) = 4.739086 MMBTU

How Many Million BTU Are in a Gigajoule?

There are 0.947817 million BTU in a gigajoule, which is why we use this value in the formula above.

1 GJ = 0.947817 MMBTU

Gigajoules and million BTU are both units used to measure energy. Keep reading to learn more about each unit of measure.

What Is a Gigajoule?

One gigajoule is equal to 1,000,000,000 joules, which is the energy equal to the force on an object of one newton at a distance of one meter.

The gigajoule is a multiple of the joule, which is the SI derived unit for energy. In the metric system, "giga" is the prefix for billions, or 109. Gigajoules can be abbreviated as GJ; for example, 1 gigajoule can be written as 1 GJ.

Learn more about gigajoules.

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.

Learn more about million BTU.

Gigajoule to Million BTU Conversion Table

Table showing various gigajoule measurements converted to million BTU.
Gigajoules Million BTU
1 GJ 0.947817 MMBTU
2 GJ 1.8956 MMBTU
3 GJ 2.8435 MMBTU
4 GJ 3.7913 MMBTU
5 GJ 4.7391 MMBTU
6 GJ 5.6869 MMBTU
7 GJ 6.6347 MMBTU
8 GJ 7.5825 MMBTU
9 GJ 8.5304 MMBTU
10 GJ 9.4782 MMBTU
11 GJ 10.43 MMBTU
12 GJ 11.37 MMBTU
13 GJ 12.32 MMBTU
14 GJ 13.27 MMBTU
15 GJ 14.22 MMBTU
16 GJ 15.17 MMBTU
17 GJ 16.11 MMBTU
18 GJ 17.06 MMBTU
19 GJ 18.01 MMBTU
20 GJ 18.96 MMBTU
21 GJ 19.9 MMBTU
22 GJ 20.85 MMBTU
23 GJ 21.8 MMBTU
24 GJ 22.75 MMBTU
25 GJ 23.7 MMBTU
26 GJ 24.64 MMBTU
27 GJ 25.59 MMBTU
28 GJ 26.54 MMBTU
29 GJ 27.49 MMBTU
30 GJ 28.43 MMBTU
31 GJ 29.38 MMBTU
32 GJ 30.33 MMBTU
33 GJ 31.28 MMBTU
34 GJ 32.23 MMBTU
35 GJ 33.17 MMBTU
36 GJ 34.12 MMBTU
37 GJ 35.07 MMBTU
38 GJ 36.02 MMBTU
39 GJ 36.96 MMBTU
40 GJ 37.91 MMBTU

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