A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
Attojoules to Terajoules
Convert Attojoule (aJ) to Terajoule (TJ) instantly with an exact formula, conversion table, and FAQ.
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Convert attojoules (aJ) to terajoules (TJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
TJ = aJ × 1.000000000e-30
Results update instantly for Attojoules to Terajoules conversions.
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Formula
TJ = aJ × 1.000000000e-30
aJ = TJ × 1.000000000e+30
Conversion table
| 1 aJ | 1.000000e-30 TJ |
| 5 aJ | 5.000000e-30 TJ |
| 10 aJ | 1.000000e-29 TJ |
| 20 aJ | 2.000000e-29 TJ |
| 50 aJ | 5.000000e-29 TJ |
| 100 aJ | 1.000000e-28 TJ |
| 500 aJ | 5.000000e-28 TJ |
| 1000 aJ | 1.000000e-27 TJ |
Related conversions
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How the formula works
Both attojoule and terajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in attojoules by 1.000000000e-30 to get terajoules. To reverse the conversion, multiply a terajoule value by 1.000000000e+30 to get back to attojoules.
Frequently asked questions
What is Attojoule (aJ)?
A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
What is Terajoule (TJ)?
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
How do I convert attojoules to terajoules?
Multiply the attojoule value by 1.000000000e-30 to get the equivalent in terajoules. For example, 5 aJ × 1.000000000e-30 = 5.000000e-30 TJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.000000000e-30 is an exact, non-rounded value.
Can I convert terajoules back to attojoules?
Yes. Divide the terajoule value by 1.000000000e-30, or multiply it by 1.000000000e+30, to get attojoules.
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About converting attojoules to terajoules
A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix. A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
Use this calculator to move between attojoules and terajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.