Decajoule is 10 joule units.
Decajoules to Kilocalories Converter — daJ to kcal
Convert Decajoule (daJ) to Kilocalorie (kcal) using the exact conversion factor (1 decajoule = 0.0023900574 kilocalorie). See the formula, worked examples, and conversion table.
Decajoules to Kilocalories converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
A kilocalorie is 1,000 calories.
Result = input x 10 / 4184.
Energy units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Decajoules to Kilocalories
Decajoule and Kilocalorie both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Decajoule is 10 joule units, and a kilocalorie is 1,000 calories.
Formula
kilocalories = decajoules × 0.00239005736138
This factor comes from each unit's defined relationship to the category's base unit: 1 decajoule equals 10 base units, and 1 kilocalorie equals 4184 base units, so dividing one by the other gives the direct decajoule-to-kilocalorie factor of 0.00239005736138.
Simple example
1 daJ × 0.002390057361 = 0.0023900574 kcal
1 decajoule = 0.0023900574 kilocalories.
Real-world example
100 daJ × 0.002390057361 = 0.2390057361 kcal
100 decajoules = 0.2390057361 kilocalories.
Conversion table
| Decajoule (daJ) | Kilocalorie (kcal) |
|---|---|
| 1 daJ | 0.0023900574 kcal |
| 10 daJ | 0.0239005736 kcal |
| 50 daJ | 0.1195028681 kcal |
| 100 daJ | 0.2390057361 kcal |
| 500 daJ | 1.195028681 kcal |
| 1,000 daJ | 2.390057361 kcal |
Reverse conversion: Kilocalorie to Decajoule
0.0023900574 kcal × 418.4 = 1.000000016 daJ
0.0023900574 kilocalories = 1.000000016 decajoules.
decajoules = kilocalories × 418.4
For a page dedicated to this direction, see Kilocalorie to Decajoule.
Understanding the Decajoule (daJ)
Decajoule is 10 joule units.
Understanding the Kilocalorie (kcal)
A kilocalorie is 1,000 calories.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilocalories are in 1 decajoule?
1 decajoule equals 0.0023900574 kilocalories, using the exact defined conversion factor rather than an estimate.
How do I convert decajoule to kilocalorie?
Multiply the decajoule value by 0.002390057361. The converter above does this instantly to whatever precision you set.
How do I convert kilocalorie back to decajoule?
Use the reverse factor: 1 kilocalorie equals 418.4 decajoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a decajoule?
Decajoule (daJ) is a unit of engineering.
What is a kilocalorie?
Kilocalorie (kcal) is a unit of engineering.
Is the decajoule to kilocalorie conversion exact?
Yes. Both decajoule and kilocalorie are defined by fixed standards rather than physical artifacts, so the factor of 0.002390057361 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.