The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
Therms to Exajoules
Convert US therm (therm) to Exajoule (EJ) instantly with an exact formula, conversion table, and FAQ.
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Convert therms (therm) to exajoules (EJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
EJ = therm × 1.054804000e-10
Results update instantly for Therms to Exajoules conversions.
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Formula
EJ = therm × 1.054804000e-10
therm = EJ × 9480434280
Conversion table
| 1 therm | 1.054804e-10 EJ |
| 5 therm | 5.274020e-10 EJ |
| 10 therm | 1.054804e-09 EJ |
| 20 therm | 2.109608e-09 EJ |
| 50 therm | 5.274020e-09 EJ |
| 100 therm | 1.054804e-08 EJ |
| 500 therm | 5.274020e-08 EJ |
| 1000 therm | 1.054804e-07 EJ |
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How the formula works
Both us therm and exajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in therms by 1.054804000e-10 to get exajoules. To reverse the conversion, multiply a exajoule value by 9480434280 to get back to therms.
Frequently asked questions
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.
What is Exajoule (EJ)?
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
How do I convert therms to exajoules?
Multiply the us therm value by 1.054804000e-10 to get the equivalent in exajoules. For example, 5 therm × 1.054804000e-10 = 5.274020e-10 EJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.054804000e-10 is an exact, non-rounded value.
Can I convert exajoules back to therms?
Yes. Divide the exajoule value by 1.054804000e-10, or multiply it by 9480434280, to get therms.
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About converting therms to exajoules
The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage. A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
Use this calculator to move between therms and exajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.