Convert 1 Calorie to Attojoule (1 cal to aJ)
Looking to convert 1 calorie (cal) to attojoule (aJ)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Calorie and Attojoule and how to calculate conversions manually or using online tools.

Looking to convert 1 calorie (cal) to attojoule (aJ)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Calorie and Attojoule and how to calculate conversions manually or using online tools.
What is Calorie to Attojoule Conversion?
Calorie (cal) and attojoule (aJ) are both units used to measure energy, but they serve different purposes depending on the scale of the measurement. If you ever need to convert calorie to attojoule, knowing the exact conversion formula is essential.
Cal to aj Conversion Formula:
One Calorie is equal to 4.184e+18 Attojoule.
Formula: 1 cal = 4.184e+18 aJ
By using this conversion factor, you can easily convert any energy from calorie to attojoule with precision.
Convert 1 Calorie to Attojoule
To convert 1 calorie to attojoule, multiply the value by 4.184e+18 since:
1 calorie = 4.184e+18 attojoule
So:
1 × 4.184e+18 = 4.184e+18
Result: 1 calorie = 4.184e+18 attojoule
Reverse Conversion
Need the reverse result? You can also convert attojoule back to calorie by dividing 4.184e+18:
4.184e+18 attojoule ÷ 4.184e+18 = 1 calorie
For more, visit: Attojoule to Calorie
Explore Related Conversion Tool
This page focuses specifically on converting 1 Calorie to Attojoule. If you're looking to convert a different value, you can use our general conversion tool:
Frequently Asked Questions
What is 1 calorie in attojoule?
1 calorie is equal to 4.184e+18 attojoule.
How do I convert calorie to attojoule?
Multiply the value in calorie by 4.184e+18 to get the equivalent in attojoule.