A decijoule (dJ) is a metric-prefixed unit of energy equal to 10-1 joules, a fraction of a single joule, using the SI deci prefix.
Decijoules to Kilojoules
Convert Decijoule (dJ) to Kilojoule (kJ) instantly with an exact formula, conversion table, and FAQ.
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Convert decijoules (dJ) to kilojoules (kJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States.
kJ = dJ × 0.0001
Results update instantly for Decijoules to Kilojoules conversions.
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Formula
kJ = dJ × 0.0001
dJ = kJ × 10000
Conversion table
| 1 dJ | 0.000100 kJ |
| 5 dJ | 0.000500 kJ |
| 10 dJ | 0.001000 kJ |
| 20 dJ | 0.002000 kJ |
| 50 dJ | 0.005000 kJ |
| 100 dJ | 0.010000 kJ |
| 500 dJ | 0.050000 kJ |
| 1000 dJ | 0.100000 kJ |
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How the formula works
Both decijoule and kilojoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in decijoules by 0.0001 to get kilojoules. To reverse the conversion, multiply a kilojoule value by 10000 to get back to decijoules.
Frequently asked questions
What is Decijoule (dJ)?
A decijoule (dJ) is a metric-prefixed unit of energy equal to 10-1 joules, a fraction of a single joule, using the SI deci prefix.
What is Kilojoule (kJ)?
A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States.
How do I convert decijoules to kilojoules?
Multiply the decijoule value by 0.0001 to get the equivalent in kilojoules. For example, 5 dJ × 0.0001 = 0.000500 kJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.0001 is an exact, non-rounded value.
Can I convert kilojoules back to decijoules?
Yes. Divide the kilojoule value by 0.0001, or multiply it by 10000, to get decijoules.
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About converting decijoules to kilojoules
A decijoule (dJ) is a metric-prefixed unit of energy equal to 10-1 joules, a fraction of a single joule, using the SI deci prefix. A kilojoule (kJ) equals 1,000 joules and is commonly used on nutrition labels outside the United States.
Use this calculator to move between decijoules and kilojoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.