A yottajoule (YJ) is a metric-prefixed unit of energy equal to 1024 joules, using the SI yotta prefix.
Yottajoules to Exajoules
Convert Yottajoule (YJ) to Exajoule (EJ) instantly with an exact formula, conversion table, and FAQ.
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Convert yottajoules (YJ) to exajoules (EJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
EJ = YJ × 1000000
Results update instantly for Yottajoules to Exajoules conversions.
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Formula
EJ = YJ × 1000000
YJ = EJ × 0.000001
Conversion table
| 1 YJ | 1.000000e+06 EJ |
| 5 YJ | 5.000000e+06 EJ |
| 10 YJ | 1.000000e+07 EJ |
| 20 YJ | 2.000000e+07 EJ |
| 50 YJ | 5.000000e+07 EJ |
| 100 YJ | 1.000000e+08 EJ |
| 500 YJ | 5.000000e+08 EJ |
| 1000 YJ | 1.000000e+09 EJ |
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How the formula works
Both yottajoule and exajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in yottajoules by 1000000 to get exajoules. To reverse the conversion, multiply a exajoule value by 0.000001 to get back to yottajoules.
Frequently asked questions
What is Yottajoule (YJ)?
A yottajoule (YJ) is a metric-prefixed unit of energy equal to 1024 joules, using the SI yotta prefix.
What is Exajoule (EJ)?
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
How do I convert yottajoules to exajoules?
Multiply the yottajoule value by 1000000 to get the equivalent in exajoules. For example, 5 YJ × 1000000 = 5.000000e+06 EJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1000000 is an exact, non-rounded value.
Can I convert exajoules back to yottajoules?
Yes. Divide the exajoule value by 1000000, or multiply it by 0.000001, to get yottajoules.
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About converting yottajoules to exajoules
A yottajoule (YJ) is a metric-prefixed unit of energy equal to 1024 joules, using the SI yotta prefix. A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
Use this calculator to move between yottajoules and exajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.