Ronnajoule is 1e+27 joule units.
Ronnajoules to Quettajoules Converter — RJ to QJ
Convert Ronnajoule (RJ) to Quettajoule (QJ) using the exact conversion factor (1 ronnajoule = 0.001 quettajoule). See the formula, worked examples, and conversion table.
Ronnajoules to Quettajoules 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.
Quettajoule is 1e+30 joule units.
Result = input x 1e+27 / 1e+30.
Energy uses the joule as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ronnajoules to Quettajoules
Ronnajoule and Quettajoule 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 quettajoule is 1e+30 joule units.
Formula
quettajoules = ronnajoules × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 ronnajoule equals 1e+27 base units, and 1 quettajoule equals 1e+30 base units, so dividing one by the other gives the direct ronnajoule-to-quettajoule factor of 0.001.
Simple example
1 RJ × 0.001 = 0.001 QJ
1 ronnajoule = 0.001 quettajoules.
Real-world example
100 RJ × 0.001 = 0.1 QJ
100 ronnajoules = 0.1 quettajoules.
Conversion table
| Ronnajoule (RJ) | Quettajoule (QJ) |
|---|---|
| 1 RJ | 0.001 QJ |
| 10 RJ | 0.01 QJ |
| 100 RJ | 0.1 QJ |
| 500 RJ | 0.5 QJ |
| 1,000 RJ | 1 QJ |
| 2,000 RJ | 2 QJ |
Reverse conversion: Quettajoule to Ronnajoule
0.001 QJ × 1000 = 1 RJ
0.001 quettajoules = 1 ronnajoule.
ronnajoules = quettajoules × 1000
For a page dedicated to this direction, see Quettajoule to Ronnajoule.
Understanding the Ronnajoule (RJ)
Ronnajoule is 1e+27 joule units.
Understanding the Quettajoule (QJ)
Quettajoule is 1e+30 joule units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quettajoules are in 1 ronnajoule?
1 ronnajoule equals 0.001 quettajoules, using the exact defined conversion factor rather than an estimate.
How do I convert ronnajoule to quettajoule?
Multiply the ronnajoule value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert quettajoule back to ronnajoule?
Use the reverse factor: 1 quettajoule equals 1,000 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 quettajoule?
Quettajoule (QJ) is a unit of energy.
Is the ronnajoule to quettajoule conversion exact?
Yes. Both ronnajoule and quettajoule are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.