Million BTU to gigajoules
Type a value in million BTU to see it in gigajoules straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the million BTU box.
- Read the result in gigajoules as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
GJ = MMBtu × 1.055055853
Multiply the value in million BTU by 1.055055853 to get gigajoules.
Example
To convert 25 MMBtu to gigajoules: 25 × 1.055055853 = 26.3764 GJ.
Conversion table
| Million BTU (MMBtu) | Gigajoules (GJ) |
|---|---|
| 1 | 1.05506 |
| 2 | 2.11011 |
| 3 | 3.16517 |
| 5 | 5.27528 |
| 10 | 10.5506 |
| 20 | 21.1011 |
| 25 | 26.3764 |
| 50 | 52.7528 |
| 100 | 105.506 |
| 250 | 263.764 |
| 500 | 527.528 |
| 1,000 | 1,055.06 |
About the units
- Million BTU
- One million International Table BTU, 1,055,055,852.62 joules. It is the pricing unit for natural gas in world markets.
- Gigajoule
- Exactly one billion joules, used in natural gas pricing and energy statistics.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many gigajoules are in one million BTU?
1 MMBtu = 1.05506 GJ exactly.
How do I convert million BTU to gigajoules?
Use GJ = MMBtu × 1.055055853. For example, 25 MMBtu = 26.3764 GJ.
How many million BTU are in one gigajoule?
1 GJ = 0.947817 MMBtu.
Which calorie do these converters use?
The thermochemical calorie, exactly 4.184 joules, the factor many countries use to turn kcal into kJ on food labels. The International Table calorie is 4.1868 joules, less than 0.07% larger.
What is the difference between kW and kWh?
A kilowatt is a unit of power, the rate of using energy, while a kilowatt-hour is an amount of energy. A 2 kW heater running for three hours uses 6 kWh.