A decajoule (daJ) is a metric-prefixed unit of energy equal to 101 joules, using the SI deca prefix.
Decajoules to Calories
Convert Decajoule (daJ) to Calorie (cal) instantly with an exact formula, conversion table, and FAQ.
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Convert decajoules (daJ) to calories (cal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A (small) calorie is a thermochemical unit of heat energy equal to 4.184 joules, historically the energy needed to raise 1 gram of water by 1°C.
cal = daJ × 2.390057361
Results update instantly for Decajoules to Calories conversions.
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Formula
cal = daJ × 2.390057361
daJ = cal × 0.4184
Conversion table
| 1 daJ | 2.390057 cal |
| 5 daJ | 11.950287 cal |
| 10 daJ | 23.900574 cal |
| 20 daJ | 47.801147 cal |
| 50 daJ | 119.502868 cal |
| 100 daJ | 239.005736 cal |
| 500 daJ | 1195.028681 cal |
| 1000 daJ | 2390.057361 cal |
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How the formula works
Both decajoule and calorie measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in decajoules by 2.390057361 to get calories. To reverse the conversion, multiply a calorie value by 0.4184 to get back to decajoules.
Frequently asked questions
What is Decajoule (daJ)?
A decajoule (daJ) is a metric-prefixed unit of energy equal to 101 joules, using the SI deca prefix.
What is Calorie (cal)?
A (small) calorie is a thermochemical unit of heat energy equal to 4.184 joules, historically the energy needed to raise 1 gram of water by 1°C.
How do I convert decajoules to calories?
Multiply the decajoule value by 2.390057361 to get the equivalent in calories. For example, 5 daJ × 2.390057361 = 11.950287 cal.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 2.390057361 is an exact, non-rounded value.
Can I convert calories back to decajoules?
Yes. Divide the calorie value by 2.390057361, or multiply it by 0.4184, to get decajoules.
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About converting decajoules to calories
A decajoule (daJ) is a metric-prefixed unit of energy equal to 101 joules, using the SI deca prefix. A (small) calorie is a thermochemical unit of heat energy equal to 4.184 joules, historically the energy needed to raise 1 gram of water by 1°C.
Use this calculator to move between decajoules and calories accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.