An electronvolt (eV) is the energy gained by a single electron accelerating through a potential difference of one volt, widely used in atomic and particle physics.
Electronvolts to Quettajoules
Convert Electronvolt (eV) to Quettajoule (QJ) instantly with an exact formula, conversion table, and FAQ.
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Convert electronvolts (eV) to quettajoules (QJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A quettajoule (QJ) is a metric-prefixed unit of energy equal to 1030 joules, using the SI quetta prefix.
QJ = eV × 1.602176634e-49
Results update instantly for Electronvolts to Quettajoules conversions.
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Formula
QJ = eV × 1.602176634e-49
eV = QJ × 6.241509074e+48
Conversion table
| 1 eV | 1.602177e-49 QJ |
| 5 eV | 8.010883e-49 QJ |
| 10 eV | 1.602177e-48 QJ |
| 20 eV | 3.204353e-48 QJ |
| 50 eV | 8.010883e-48 QJ |
| 100 eV | 1.602177e-47 QJ |
| 500 eV | 8.010883e-47 QJ |
| 1000 eV | 1.602177e-46 QJ |
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How the formula works
Both electronvolt and quettajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in electronvolts by 1.602176634e-49 to get quettajoules. To reverse the conversion, multiply a quettajoule value by 6.241509074e+48 to get back to electronvolts.
Frequently asked questions
What is Electronvolt (eV)?
An electronvolt (eV) is the energy gained by a single electron accelerating through a potential difference of one volt, widely used in atomic and particle physics.
What is Quettajoule (QJ)?
A quettajoule (QJ) is a metric-prefixed unit of energy equal to 1030 joules, using the SI quetta prefix.
How do I convert electronvolts to quettajoules?
Multiply the electronvolt value by 1.602176634e-49 to get the equivalent in quettajoules. For example, 5 eV × 1.602176634e-49 = 8.010883e-49 QJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.602176634e-49 is an exact, non-rounded value.
Can I convert quettajoules back to electronvolts?
Yes. Divide the quettajoule value by 1.602176634e-49, or multiply it by 6.241509074e+48, to get electronvolts.
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About converting electronvolts to quettajoules
An electronvolt (eV) is the energy gained by a single electron accelerating through a potential difference of one volt, widely used in atomic and particle physics. A quettajoule (QJ) is a metric-prefixed unit of energy equal to 1030 joules, using the SI quetta prefix.
Use this calculator to move between electronvolts and quettajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.