A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States.
Kilojoules to Exajoules
Convert Kilojoule (kJ) to Exajoule (EJ) instantly with an exact formula, conversion table, and FAQ.
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Convert kilojoules (kJ) 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 = kJ × 1.000000000e-15
Results update instantly for Kilojoules to Exajoules conversions.
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Formula
EJ = kJ × 1.000000000e-15
kJ = EJ × 1.000000000e+15
Conversion table
| 1 kJ | 1.000000e-15 EJ |
| 5 kJ | 5.000000e-15 EJ |
| 10 kJ | 1.000000e-14 EJ |
| 20 kJ | 2.000000e-14 EJ |
| 50 kJ | 5.000000e-14 EJ |
| 100 kJ | 1.000000e-13 EJ |
| 500 kJ | 5.000000e-13 EJ |
| 1000 kJ | 1.000000e-12 EJ |
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How the formula works
Both kilojoule and exajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in kilojoules by 1.000000000e-15 to get exajoules. To reverse the conversion, multiply a exajoule value by 1.000000000e+15 to get back to kilojoules.
Frequently asked questions
What is Kilojoule (kJ)?
A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States.
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 kilojoules to exajoules?
Multiply the kilojoule value by 1.000000000e-15 to get the equivalent in exajoules. For example, 5 kJ × 1.000000000e-15 = 5.000000e-15 EJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.000000000e-15 is an exact, non-rounded value.
Can I convert exajoules back to kilojoules?
Yes. Divide the exajoule value by 1.000000000e-15, or multiply it by 1.000000000e+15, to get kilojoules.
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About converting kilojoules to exajoules
A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States. 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 kilojoules 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.