A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
Terajoules to Therms
Convert Terajoule (TJ) to US therm (therm) instantly with an exact formula, conversion table, and FAQ.
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Convert terajoules (TJ) 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 = TJ × 9480.43428
Results update instantly for Terajoules to Therms conversions.
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Formula
therm = TJ × 9480.43428
TJ = therm × 0.0001054804
Conversion table
| 1 TJ | 9480.434280 therm |
| 5 TJ | 47402.171399 therm |
| 10 TJ | 94804.342797 therm |
| 20 TJ | 189608.685595 therm |
| 50 TJ | 474021.713987 therm |
| 100 TJ | 948043.427973 therm |
| 500 TJ | 4.740217e+06 therm |
| 1000 TJ | 9.480434e+06 therm |
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How the formula works
Both terajoule and us therm measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in terajoules by 9480.43428 to get therms. To reverse the conversion, multiply a us therm value by 0.0001054804 to get back to terajoules.
Frequently asked questions
What is Terajoule (TJ)?
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera 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 terajoules to therms?
Multiply the terajoule value by 9480.43428 to get the equivalent in therms. For example, 5 TJ × 9480.43428 = 47402.171399 therm.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 9480.43428 is an exact, non-rounded value.
Can I convert therms back to terajoules?
Yes. Divide the us therm value by 9480.43428, or multiply it by 0.0001054804, to get terajoules.
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About converting terajoules to therms
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera 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 terajoules 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.