A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta prefix.
Petajoules to Therms
Convert Petajoule (PJ) to US therm (therm) instantly with an exact formula, conversion table, and FAQ.
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Convert petajoules (PJ) 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 = PJ × 9480434.28
Results update instantly for Petajoules to Therms conversions.
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Formula
therm = PJ × 9480434.28
PJ = therm × 1.054804000e-07
Conversion table
| 1 PJ | 9.480434e+06 therm |
| 5 PJ | 4.740217e+07 therm |
| 10 PJ | 9.480434e+07 therm |
| 20 PJ | 1.896087e+08 therm |
| 50 PJ | 4.740217e+08 therm |
| 100 PJ | 9.480434e+08 therm |
| 500 PJ | 4.740217e+09 therm |
| 1000 PJ | 9.480434e+09 therm |
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How the formula works
Both petajoule and us therm measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in petajoules by 9480434.28 to get therms. To reverse the conversion, multiply a us therm value by 1.054804000e-07 to get back to petajoules.
Frequently asked questions
What is Petajoule (PJ)?
A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta 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 petajoules to therms?
Multiply the petajoule value by 9480434.28 to get the equivalent in therms. For example, 5 PJ × 9480434.28 = 4.740217e+07 therm.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 9480434.28 is an exact, non-rounded value.
Can I convert therms back to petajoules?
Yes. Divide the us therm value by 9480434.28, or multiply it by 1.054804000e-07, to get petajoules.
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About converting petajoules to therms
A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta 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 petajoules 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.