Ronnajoule is 1e+27 joule units.
Ronnajoules to US therms Converter — RJ to therm
Convert Ronnajoule (RJ) to US therm (therm) using the exact conversion factor (1 ronnajoule = 9.480434e+18 us therm). See the formula, worked examples, and conversion table.
Ronnajoules to US therms converter
Converter
Energy Converter
Convert joules, calories, kilowatt-hours, BTU, electronvolts, therms, and mechanical work units.
Context values
Some unit families need one extra value for a physically accurate result.
US therm used for natural gas energy.
Result = input x 1e+27 / 1.054804e+8.
Energy uses the joule as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ronnajoules to US therms
Ronnajoule and US therm both measure energy, and the conversion is especially useful for comparing nutrition labels (kilocalories) against scientific energy figures (joules). Specifically: Ronnajoule is 1e+27 joule units, and uS therm used for natural gas energy.
Formula
us therms = ronnajoules × 9.480434e+18
This factor comes from each unit's defined relationship to the category's base unit: 1 ronnajoule equals 1e+27 base units, and 1 us therm equals 105480400 base units, so dividing one by the other gives the direct ronnajoule-to-us therm factor of 9.480434e+18.
Simple example
1 RJ × 9.480434e+18 = 9.480434e+18 therm
1 ronnajoule = 9.480434e+18 us therms.
Real-world example
100 RJ × 9.480434e+18 = 9.480434e+20 therm
100 ronnajoules = 9.480434e+20 us therms.
Conversion table
| Ronnajoule (RJ) | US therm (therm) |
|---|---|
| 1 RJ | 9.480434e+18 therm |
| 10 RJ | 9.480434e+19 therm |
| 100 RJ | 9.480434e+20 therm |
| 500 RJ | 4.740217e+21 therm |
| 1,000 RJ | 9.480434e+21 therm |
| 2,000 RJ | 1.896087e+22 therm |
Reverse conversion: US therm to Ronnajoule
9.480434e+18 therm × 1.054804e-19 = 0.9999999705 RJ
9.480434e+18 us therms = 0.9999999705 ronnajoules.
ronnajoules = us therms × 1.054804e-19
For a page dedicated to this direction, see US therm to Ronnajoule.
Understanding the Ronnajoule (RJ)
Ronnajoule is 1e+27 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 ronnajoule?
1 ronnajoule equals 9.480434e+18 us therms, using the exact defined conversion factor rather than an estimate.
How do I convert ronnajoule to us therm?
Multiply the ronnajoule value by 9.480434e+18. The converter above does this instantly to whatever precision you set.
How do I convert us therm back to ronnajoule?
Use the reverse factor: 1 us therm equals 1.054804e-19 ronnajoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a ronnajoule?
Ronnajoule (RJ) is a unit of energy.
What is a us therm?
US therm (therm) is a unit of energy.
Is the ronnajoule to us therm conversion exact?
Yes. Both ronnajoule and us therm are defined by fixed standards rather than physical artifacts, so the factor of 9.480434e+18 used above is exact to as many digits as you choose to display.