A ronnajoule (RJ) is a metric-prefixed unit of energy equal to 1027 joules, using the SI ronna prefix.
Ronnajoules to Attojoules
Convert Ronnajoule (RJ) to Attojoule (aJ) instantly with an exact formula, conversion table, and FAQ.
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Convert ronnajoules (RJ) to attojoules (aJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
aJ = RJ × 1.000000000e+45
Results update instantly for Ronnajoules to Attojoules conversions.
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Formula
aJ = RJ × 1.000000000e+45
RJ = aJ × 1.000000000e-45
Conversion table
| 1 RJ | 1.000000e+45 aJ |
| 5 RJ | 5.000000e+45 aJ |
| 10 RJ | 1.000000e+46 aJ |
| 20 RJ | 2.000000e+46 aJ |
| 50 RJ | 5.000000e+46 aJ |
| 100 RJ | 1.000000e+47 aJ |
| 500 RJ | 5.000000e+47 aJ |
| 1000 RJ | 1.000000e+48 aJ |
Related conversions
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How the formula works
Both ronnajoule and attojoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in ronnajoules by 1.000000000e+45 to get attojoules. To reverse the conversion, multiply a attojoule value by 1.000000000e-45 to get back to ronnajoules.
Frequently asked questions
What is Ronnajoule (RJ)?
A ronnajoule (RJ) is a metric-prefixed unit of energy equal to 1027 joules, using the SI ronna prefix.
What is Attojoule (aJ)?
A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
How do I convert ronnajoules to attojoules?
Multiply the ronnajoule value by 1.000000000e+45 to get the equivalent in attojoules. For example, 5 RJ × 1.000000000e+45 = 5.000000e+45 aJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.000000000e+45 is an exact, non-rounded value.
Can I convert attojoules back to ronnajoules?
Yes. Divide the attojoule value by 1.000000000e+45, or multiply it by 1.000000000e-45, to get ronnajoules.
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About converting ronnajoules to attojoules
A ronnajoule (RJ) is a metric-prefixed unit of energy equal to 1027 joules, using the SI ronna prefix. A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
Use this calculator to move between ronnajoules and attojoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.