A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States.
Kilojoules to Terajoules
Convert Kilojoule (kJ) to Terajoule (TJ) instantly with an exact formula, conversion table, and FAQ.
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Convert kilojoules (kJ) 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 = kJ × 1.000000000e-09
Results update instantly for Kilojoules to Terajoules conversions.
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Formula
TJ = kJ × 1.000000000e-09
kJ = TJ × 1000000000
Conversion table
| 1 kJ | 1.000000e-09 TJ |
| 5 kJ | 5.000000e-09 TJ |
| 10 kJ | 1.000000e-08 TJ |
| 20 kJ | 2.000000e-08 TJ |
| 50 kJ | 5.000000e-08 TJ |
| 100 kJ | 1.000000e-07 TJ |
| 500 kJ | 5.000000e-07 TJ |
| 1000 kJ | 0.000001 TJ |
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How the formula works
Both kilojoule and terajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in kilojoules by 1.000000000e-09 to get terajoules. To reverse the conversion, multiply a terajoule value by 1000000000 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 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 kilojoules to terajoules?
Multiply the kilojoule value by 1.000000000e-09 to get the equivalent in terajoules. For example, 5 kJ × 1.000000000e-09 = 5.000000e-09 TJ.
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 terajoules back to kilojoules?
Yes. Divide the terajoule value by 1.000000000e-09, or multiply it by 1000000000, to get kilojoules.
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About converting kilojoules to terajoules
A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States. 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 kilojoules 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.