A decajoule (daJ) is a metric-prefixed unit of energy equal to 101 joules, using the SI deca prefix.
Decajoules to Therms
Convert Decajoule (daJ) to US therm (therm) instantly with an exact formula, conversion table, and FAQ.
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Convert decajoules (daJ) 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 = daJ × 9.480434280e-08
Results update instantly for Decajoules to Therms conversions.
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Formula
therm = daJ × 9.480434280e-08
daJ = therm × 10548040
Conversion table
| 1 daJ | 9.480434e-08 therm |
| 5 daJ | 4.740217e-07 therm |
| 10 daJ | 9.480434e-07 therm |
| 20 daJ | 0.000002 therm |
| 50 daJ | 0.000005 therm |
| 100 daJ | 0.000009 therm |
| 500 daJ | 0.000047 therm |
| 1000 daJ | 0.000095 therm |
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How the formula works
Both decajoule and us therm measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in decajoules by 9.480434280e-08 to get therms. To reverse the conversion, multiply a us therm value by 10548040 to get back to decajoules.
Frequently asked questions
What is Decajoule (daJ)?
A decajoule (daJ) is a metric-prefixed unit of energy equal to 101 joules, using the SI deca 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 decajoules to therms?
Multiply the decajoule value by 9.480434280e-08 to get the equivalent in therms. For example, 5 daJ × 9.480434280e-08 = 4.740217e-07 therm.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 9.480434280e-08 is an exact, non-rounded value.
Can I convert therms back to decajoules?
Yes. Divide the us therm value by 9.480434280e-08, or multiply it by 10548040, to get decajoules.
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About converting decajoules to therms
A decajoule (daJ) is a metric-prefixed unit of energy equal to 101 joules, using the SI deca 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 decajoules 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.