Decijoule is 0.1 joule units.
Decijoules to Ergs Converter — dJ to erg
Convert Decijoule (dJ) to Erg (erg) using the exact conversion factor (1 decijoule = 1,000,000 erg). See the formula, worked examples, and conversion table.
Decijoules to Ergs 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.
An erg is a CGS energy unit.
Result = input x 0.1 / 1e-7.
Energy units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Decijoules to Ergs
Decijoule and Erg 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: Decijoule is 0.1 joule units, and an erg is a CGS energy unit.
Formula
ergs = decijoules × 1000000
This factor comes from each unit's defined relationship to the category's base unit: 1 decijoule equals 0.1 base units, and 1 erg equals 1e-7 base units, so dividing one by the other gives the direct decijoule-to-erg factor of 1000000.
Simple example
1 dJ × 1000000 = 1,000,000 erg
1 decijoule = 1,000,000 ergs.
Real-world example
100 dJ × 1000000 = 100,000,000 erg
100 decijoules = 100,000,000 ergs.
Conversion table
| Decijoule (dJ) | Erg (erg) |
|---|---|
| 1 dJ | 1,000,000 erg |
| 10 dJ | 10,000,000 erg |
| 50 dJ | 50,000,000 erg |
| 100 dJ | 100,000,000 erg |
| 500 dJ | 500,000,000 erg |
| 1,000 dJ | 1,000,000,000 erg |
Reverse conversion: Erg to Decijoule
1 erg × 0.000001 = 0.000001 dJ
1 erg = 0.000001 decijoules.
decijoules = ergs × 0.000001
For a page dedicated to this direction, see Erg to Decijoule.
Understanding the Decijoule (dJ)
Decijoule is 0.1 joule units.
Understanding the Erg (erg)
An erg is a CGS energy unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ergs are in 1 decijoule?
1 decijoule equals 1,000,000 ergs, using the exact defined conversion factor rather than an estimate.
How do I convert decijoule to erg?
Multiply the decijoule value by 1000000. The converter above does this instantly to whatever precision you set.
How do I convert erg back to decijoule?
Use the reverse factor: 1 erg equals 0.000001 decijoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a decijoule?
Decijoule (dJ) is a unit of engineering.
What is a erg?
Erg (erg) is a unit of engineering.
Is the decijoule to erg conversion exact?
Yes. Both decijoule and erg are defined by fixed standards rather than physical artifacts, so the factor of 1000000 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.