The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
Therms to Decijoules
Convert US therm (therm) to Decijoule (dJ) instantly with an exact formula, conversion table, and FAQ.
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Convert therms (therm) to decijoules (dJ) instantly with formula, conversion table, and FAQ.
A decijoule (dJ) is a metric-prefixed unit of energy equal to 10-1 joules, a fraction of a single joule, using the SI deci prefix.
dJ = therm × 1054804000
Results update instantly for Therms to Decijoules conversions.
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Formula
dJ = therm × 1054804000
therm = dJ × 9.480434280e-10
Conversion table
| 1 therm | 1.054804e+09 dJ |
| 5 therm | 5.274020e+09 dJ |
| 10 therm | 1.054804e+10 dJ |
| 20 therm | 2.109608e+10 dJ |
| 50 therm | 5.274020e+10 dJ |
| 100 therm | 1.054804e+11 dJ |
| 500 therm | 5.274020e+11 dJ |
| 1000 therm | 1.054804e+12 dJ |
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How the formula works
Both us therm and decijoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in therms by 1054804000 to get decijoules. To reverse the conversion, multiply a decijoule value by 9.480434280e-10 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 Decijoule (dJ)?
A decijoule (dJ) is a metric-prefixed unit of energy equal to 10-1 joules, a fraction of a single joule, using the SI deci prefix.
How do I convert therms to decijoules?
Multiply the us therm value by 1054804000 to get the equivalent in decijoules. For example, 5 therm × 1054804000 = 5.274020e+09 dJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1054804000 is an exact, non-rounded value.
Can I convert decijoules back to therms?
Yes. Divide the decijoule value by 1054804000, or multiply it by 9.480434280e-10, to get therms.
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About converting therms to decijoules
The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage. A decijoule (dJ) is a metric-prefixed unit of energy equal to 10-1 joules, a fraction of a single joule, using the SI deci prefix.
Use this calculator to move between therms and decijoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.