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