The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
Therms to Petajoules
Convert US therm (therm) to Petajoule (PJ) instantly with an exact formula, conversion table, and FAQ.
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Convert therms (therm) to petajoules (PJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta prefix.
PJ = therm × 1.054804000e-07
Results update instantly for Therms to Petajoules conversions.
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Formula
PJ = therm × 1.054804000e-07
therm = PJ × 9480434.28
Conversion table
| 1 therm | 1.054804e-07 PJ |
| 5 therm | 5.274020e-07 PJ |
| 10 therm | 0.000001 PJ |
| 20 therm | 0.000002 PJ |
| 50 therm | 0.000005 PJ |
| 100 therm | 0.000011 PJ |
| 500 therm | 0.000053 PJ |
| 1000 therm | 0.000105 PJ |
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How the formula works
Both us therm and petajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in therms by 1.054804000e-07 to get petajoules. To reverse the conversion, multiply a petajoule value by 9480434.28 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 Petajoule (PJ)?
A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta prefix.
How do I convert therms to petajoules?
Multiply the us therm value by 1.054804000e-07 to get the equivalent in petajoules. For example, 5 therm × 1.054804000e-07 = 5.274020e-07 PJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.054804000e-07 is an exact, non-rounded value.
Can I convert petajoules back to therms?
Yes. Divide the petajoule value by 1.054804000e-07, or multiply it by 9480434.28, to get therms.
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About converting therms to petajoules
The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage. A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta prefix.
Use this calculator to move between therms and petajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.