tier_2 conversion
Convert attojoule to joule
Convert attojoule to joule with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
attojoule to joule
attojoule to joule
Quick answer
1 attojoule = 1.00000000000E-18 joule.
Formula
joule = attojoule × 1e-18
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert attojoule to joule
- Enter a value in attojoule.
- The conversion is linear, so each attojoule is worth 1e-18 joule.
- Round the displayed joule value only when needed.
About these units
attojoule is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is aJ. joule is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is J.
Explore related conversions
attojoule to joule conversion table
| attojoule | joule |
|---|---|
| 0 attojoule | 0e-18 joule |
| 1 attojoule | 1e-18 joule |
| 5 attojoule | 5e-18 joule |
| 10 attojoule | 1.0e-17 joule |
| 25 attojoule | 2.5e-17 joule |
| 100 attojoule | 1.00e-16 joule |
Frequently asked questions
How do I convert from attojoule to joule?
The conversion is linear, so each attojoule is worth 1e-18 joule.
What formula does CalculatorHQ use for attojoule to joule?
joule = attojoule × 1e-18
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert joule back to attojoule?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.