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 Calories
Convert Decijoule (dJ) to Calorie (cal) instantly with an exact formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Energy calculator
Energy Converter
Convert decijoules (dJ) 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 = dJ × 0.02390057361
Results update instantly for Decijoules to Calories conversions.
Reserved above the conversion cards and below the converter.
Formula
cal = dJ × 0.02390057361
dJ = cal × 41.84
Conversion table
| 1 dJ | 0.023901 cal |
| 5 dJ | 0.119503 cal |
| 10 dJ | 0.239006 cal |
| 20 dJ | 0.478011 cal |
| 50 dJ | 1.195029 cal |
| 100 dJ | 2.390057 cal |
| 500 dJ | 11.950287 cal |
| 1000 dJ | 23.900574 cal |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both decijoule and calorie measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in decijoules by 0.02390057361 to get calories. To reverse the conversion, multiply a calorie value by 41.84 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 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 decijoules to calories?
Multiply the decijoule value by 0.02390057361 to get the equivalent in calories. For example, 5 dJ × 0.02390057361 = 0.119503 cal.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.02390057361 is an exact, non-rounded value.
Can I convert calories back to decijoules?
Yes. Divide the calorie value by 0.02390057361, or multiply it by 41.84, to get decijoules.
Reserved between the FAQ and the article so the page stays balanced.
About converting decijoules to calories
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 (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 decijoules 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.