Megajoules to Therms
Convert megajoules to therms instantly. 1 MJ = 0.0094781712 thm. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert megajoules to therms
To convert megajoules to therms, divide by 105.505585262 (multiply by 0.0094781712). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
thm = MJ × 0.0094781712
Megajoules to Therms conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Megajoules | Therms |
|---|---|
| 1 MJ | 0.009478 thm |
| 2 MJ | 0.018956 thm |
| 3 MJ | 0.028435 thm |
| 5 MJ | 0.047391 thm |
| 10 MJ | 0.094782 thm |
| 20 MJ | 0.189563 thm |
| 25 MJ | 0.236954 thm |
| 50 MJ | 0.473909 thm |
| 100 MJ | 0.947817 thm |
| 500 MJ | 4.739086 thm |
| 1,000 MJ | 9.478171 thm |
What is a megajoule?
A million joules, used for fuel energy content and gas billing.
What is a therm?
100,000 BTU. The unit on US and UK gas bills.
The formula
thm = MJ × 0.0094781712
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Megajoules to Therms
- Type the number of megajoules you want to convert.
- Read the result in therms straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked therms to megajoules page.
Megajoules to Therms — frequently asked questions
How many therms are in a megajoule?
One megajoule equals 0.0094781712 thm. thm = MJ × 0.0094781712
What is the formula to convert megajoules to therms?
The formula is thm = MJ × 0.0094781712. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert therms back to megajoules?
Divide instead of multiplying: one therm is 105.505585262 MJ. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this megajoules to therms free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error