A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
Terajoules to Zettajoules
Convert Terajoule (TJ) to Zettajoule (ZJ) instantly with an exact formula, conversion table, and FAQ.
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Convert terajoules (TJ) to zettajoules (ZJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A zettajoule (ZJ) is a metric-prefixed unit of energy equal to 1021 joules, using the SI zetta prefix.
ZJ = TJ × 1.000000000e-09
Results update instantly for Terajoules to Zettajoules conversions.
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Formula
ZJ = TJ × 1.000000000e-09
TJ = ZJ × 1000000000
Conversion table
| 1 TJ | 1.000000e-09 ZJ |
| 5 TJ | 5.000000e-09 ZJ |
| 10 TJ | 1.000000e-08 ZJ |
| 20 TJ | 2.000000e-08 ZJ |
| 50 TJ | 5.000000e-08 ZJ |
| 100 TJ | 1.000000e-07 ZJ |
| 500 TJ | 5.000000e-07 ZJ |
| 1000 TJ | 0.000001 ZJ |
Related conversions
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How the formula works
Both terajoule and zettajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in terajoules by 1.000000000e-09 to get zettajoules. To reverse the conversion, multiply a zettajoule value by 1000000000 to get back to terajoules.
Frequently asked questions
What is Terajoule (TJ)?
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
What is Zettajoule (ZJ)?
A zettajoule (ZJ) is a metric-prefixed unit of energy equal to 1021 joules, using the SI zetta prefix.
How do I convert terajoules to zettajoules?
Multiply the terajoule value by 1.000000000e-09 to get the equivalent in zettajoules. For example, 5 TJ × 1.000000000e-09 = 5.000000e-09 ZJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.000000000e-09 is an exact, non-rounded value.
Can I convert zettajoules back to terajoules?
Yes. Divide the zettajoule value by 1.000000000e-09, or multiply it by 1000000000, to get terajoules.
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About converting terajoules to zettajoules
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix. A zettajoule (ZJ) is a metric-prefixed unit of energy equal to 1021 joules, using the SI zetta prefix.
Use this calculator to move between terajoules and zettajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.