A megajoule (MJ) is a metric-prefixed unit of energy equal to 106 joules, using the SI mega prefix.
Megajoules to Therms
Convert Megajoule (MJ) to US therm (therm) instantly with an exact formula, conversion table, and FAQ.
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Convert megajoules (MJ) to therms (therm) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
therm = MJ × 0.00948043428
Results update instantly for Megajoules to Therms conversions.
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Formula
therm = MJ × 0.00948043428
MJ = therm × 105.4804
Conversion table
| 1 MJ | 0.009480 therm |
| 5 MJ | 0.047402 therm |
| 10 MJ | 0.094804 therm |
| 20 MJ | 0.189609 therm |
| 50 MJ | 0.474022 therm |
| 100 MJ | 0.948043 therm |
| 500 MJ | 4.740217 therm |
| 1000 MJ | 9.480434 therm |
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How the formula works
Both megajoule and us therm measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in megajoules by 0.00948043428 to get therms. To reverse the conversion, multiply a us therm value by 105.4804 to get back to megajoules.
Frequently asked questions
What is Megajoule (MJ)?
A megajoule (MJ) is a metric-prefixed unit of energy equal to 106 joules, using the SI mega prefix.
What is US therm (therm)?
The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
How do I convert megajoules to therms?
Multiply the megajoule value by 0.00948043428 to get the equivalent in therms. For example, 5 MJ × 0.00948043428 = 0.047402 therm.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.00948043428 is an exact, non-rounded value.
Can I convert therms back to megajoules?
Yes. Divide the us therm value by 0.00948043428, or multiply it by 105.4804, to get megajoules.
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About converting megajoules to therms
A megajoule (MJ) is a metric-prefixed unit of energy equal to 106 joules, using the SI mega prefix. The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
Use this calculator to move between megajoules and therms accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.