A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
Exajoules to Ergs
Convert Exajoule (EJ) to Erg (erg) instantly with an exact formula, conversion table, and FAQ.
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Convert exajoules (EJ) to ergs (erg) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
erg = EJ × 1.000000000e+25
Results update instantly for Exajoules to Ergs conversions.
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Formula
erg = EJ × 1.000000000e+25
EJ = erg × 1.000000000e-25
Conversion table
| 1 EJ | 1.000000e+25 erg |
| 5 EJ | 5.000000e+25 erg |
| 10 EJ | 1.000000e+26 erg |
| 20 EJ | 2.000000e+26 erg |
| 50 EJ | 5.000000e+26 erg |
| 100 EJ | 1.000000e+27 erg |
| 500 EJ | 5.000000e+27 erg |
| 1000 EJ | 1.000000e+28 erg |
Related conversions
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How the formula works
Both exajoule and erg measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in exajoules by 1.000000000e+25 to get ergs. To reverse the conversion, multiply a erg value by 1.000000000e-25 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 Erg (erg)?
An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
How do I convert exajoules to ergs?
Multiply the exajoule value by 1.000000000e+25 to get the equivalent in ergs. For example, 5 EJ × 1.000000000e+25 = 5.000000e+25 erg.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.000000000e+25 is an exact, non-rounded value.
Can I convert ergs back to exajoules?
Yes. Divide the erg value by 1.000000000e+25, or multiply it by 1.000000000e-25, to get exajoules.
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About converting exajoules to ergs
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix. An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
Use this calculator to move between exajoules and ergs accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.