Million BTU to Kilojoules Converter

How to convert million BTU to kilojoules

FormulakJ = MMBtu × 1,055,055.853

Multiply the value in million BTU by 1,055,055.853. To go the other way, multiply by 9.478171203×10⁻⁷ (or divide by 1,055,055.853).

A million BTU is larger than a kilojoule: one million BTU contains 1,055,055.853 kilojoules.

Worked examples

1 million BTU1 MMBtu × 1,055,055.853 = 1,055,055.853 kJ
5 million BTU5 MMBtu × 1,055,055.853 = 5,275,279.263 kJ
10 million BTU10 MMBtu × 1,055,055.853 = 10,550,558.53 kJ
20 million BTU20 MMBtu × 1,055,055.853 = 21,101,117.05 kJ
100 million BTU100 MMBtu × 1,055,055.853 = 105,505,585.3 kJ

Million BTU to kilojoules conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Million BTU to kilojoules: 0.1–10 MMBtu
Million BTU (MMBtu)	Kilojoules (kJ)
0.1 MMBtu	105,505.59 kJ
0.25 MMBtu	263,763.96 kJ
0.5 MMBtu	527,527.93 kJ
1 MMBtu	1,055,055.9 kJ
2 MMBtu	2,110,111.7 kJ
3 MMBtu	3,165,167.6 kJ
4 MMBtu	4,220,223.4 kJ
5 MMBtu	5,275,279.3 kJ
6 MMBtu	6,330,335.1 kJ
7 MMBtu	7,385,391 kJ
8 MMBtu	8,440,446.8 kJ
9 MMBtu	9,495,502.7 kJ
10 MMBtu	10,550,559 kJ

Million BTU to kilojoules: 12–1,000 MMBtu
Million BTU (MMBtu)	Kilojoules (kJ)
12 MMBtu	12,660,670 kJ
15 MMBtu	15,825,838 kJ
20 MMBtu	21,101,117 kJ
25 MMBtu	26,376,396 kJ
30 MMBtu	31,651,676 kJ
40 MMBtu	42,202,234 kJ
50 MMBtu	52,752,793 kJ
75 MMBtu	79,129,189 kJ
100 MMBtu	105,505,590 kJ
250 MMBtu	263,763,960 kJ
500 MMBtu	527,527,930 kJ
1,000 MMBtu	1,055,055,900 kJ

About the units

Million BTU (MMBtu)

Natural gas is traded per MMBtu. One million BTU equals 1,055,055,853 joules (J).

Kilojoule (kJ)

One thousand joules. Food labels in Australia and the EU list energy in kJ alongside kcal. One kilojoule equals 1,000 joules (J).

Frequently asked questions

How many kilojoules are in one million BTU?

There are 1,055,055.853 kilojoules in one million BTU, and this value is exact by definition.

How do I convert million BTU to kilojoules?

Multiply the number of million BTU by 1,055,055.853. For example, 10 MMBtu × 1,055,055.853 = 10,550,558.53 kJ.

How many million BTU are in one kilojoule?

One kilojoule equals 9.478171203×10⁻⁷ million BTU. That is the reverse factor, 1 ÷ 1,055,055.853.

What is 10 million BTU in kilojoules?

10 MMBtu = 10,550,558.53 kJ.

Is this MMBtu to kJ converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.