Decijoule is 0.1 joule units.
Decijoules to US therms Converter — dJ to therm
Convert Decijoule (dJ) to US therm (therm) using the exact conversion factor (1 decijoule = 9.480434e-10 us therm). See the formula, worked examples, and conversion table.
Decijoules to US therms converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
US therm used for natural gas energy.
Result = input x 0.1 / 1.054804e+8.
Energy units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Decijoules to US therms
Decijoule and US therm both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Decijoule is 0.1 joule units, and uS therm used for natural gas energy.
Formula
us therms = decijoules × 9.480434e-10
This factor comes from each unit's defined relationship to the category's base unit: 1 decijoule equals 0.1 base units, and 1 us therm equals 105480400 base units, so dividing one by the other gives the direct decijoule-to-us therm factor of 9.480434e-10.
Simple example
1 dJ × 9.480434e-10 = 9.480434e-10 therm
1 decijoule = 9.480434e-10 us therms.
Real-world example
100 dJ × 9.480434e-10 = 9.480434e-8 therm
100 decijoules = 9.480434e-8 us therms.
Conversion table
| Decijoule (dJ) | US therm (therm) |
|---|---|
| 1 dJ | 9.480434e-10 therm |
| 10 dJ | 9.480434e-9 therm |
| 50 dJ | 4.740217e-8 therm |
| 100 dJ | 9.480434e-8 therm |
| 500 dJ | 4.740217e-7 therm |
| 1,000 dJ | 9.480434e-7 therm |
Reverse conversion: US therm to Decijoule
9.480434e-10 therm × 1054804000 = 0.9999999705 dJ
9.480434e-10 us therms = 0.9999999705 decijoules.
decijoules = us therms × 1054804000
For a page dedicated to this direction, see US therm to Decijoule.
Understanding the Decijoule (dJ)
Decijoule is 0.1 joule units.
Understanding the US therm (therm)
US therm used for natural gas energy.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many us therms are in 1 decijoule?
1 decijoule equals 9.480434e-10 us therms, using the exact defined conversion factor rather than an estimate.
How do I convert decijoule to us therm?
Multiply the decijoule value by 9.480434e-10. The converter above does this instantly to whatever precision you set.
How do I convert us therm back to decijoule?
Use the reverse factor: 1 us therm equals 1,054,804,000 decijoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a decijoule?
Decijoule (dJ) is a unit of engineering.
What is a us therm?
US therm (therm) is a unit of engineering.
Is the decijoule to us therm conversion exact?
Yes. Both decijoule and us therm are defined by fixed standards rather than physical artifacts, so the factor of 9.480434e-10 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.