A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
Exajoules to Yottajoules
Convert Exajoule (EJ) to Yottajoule (YJ) instantly with an exact formula, conversion table, and FAQ.
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Convert exajoules (EJ) to yottajoules (YJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A yottajoule (YJ) is a metric-prefixed unit of energy equal to 1024 joules, using the SI yotta prefix.
YJ = EJ × 0.000001
Results update instantly for Exajoules to Yottajoules conversions.
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Formula
YJ = EJ × 0.000001
EJ = YJ × 1000000
Conversion table
| 1 EJ | 0.000001 YJ |
| 5 EJ | 0.000005 YJ |
| 10 EJ | 0.000010 YJ |
| 20 EJ | 0.000020 YJ |
| 50 EJ | 0.000050 YJ |
| 100 EJ | 0.000100 YJ |
| 500 EJ | 0.000500 YJ |
| 1000 EJ | 0.001000 YJ |
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How the formula works
Both exajoule and yottajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in exajoules by 0.000001 to get yottajoules. To reverse the conversion, multiply a yottajoule value by 1000000 to get back to exajoules.
Frequently asked questions
What is Exajoule (EJ)?
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
What is Yottajoule (YJ)?
A yottajoule (YJ) is a metric-prefixed unit of energy equal to 1024 joules, using the SI yotta prefix.
How do I convert exajoules to yottajoules?
Multiply the exajoule value by 0.000001 to get the equivalent in yottajoules. For example, 5 EJ × 0.000001 = 0.000005 YJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.000001 is an exact, non-rounded value.
Can I convert yottajoules back to exajoules?
Yes. Divide the yottajoule value by 0.000001, or multiply it by 1000000, to get exajoules.
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About converting exajoules to yottajoules
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix. A yottajoule (YJ) is a metric-prefixed unit of energy equal to 1024 joules, using the SI yotta prefix.
Use this calculator to move between exajoules and yottajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.