Calorie to Attojoule Converter

Quick Answer

1 cal = 4.1840e+18 aJ

Formula: Attojoule = Calorie x 4.1840e+18

Formula verifiedLive calculation
To (Attojoule)
4.1840e+18aJ

Quick values

Calorie to Attojoule Conversion Table

Calorie (cal)Attojoule (aJ)
14.1840e+18
28.3680e+18
31.2552e+19
41.6736e+19
52.0920e+19
62.5104e+19
72.9288e+19
83.3472e+19
93.7656e+19
104.1840e+19

Convert Calorie to Other Energy Units

Frequently Asked Questions

How do you convert Calorie to Attojoule?
Use the formula Attojoule = Calorie x 4.1840e+18. For example: 1 cal = 4.1840e+18 aJ. Our calculator handles this automatically.
How many Attojoules in a Calorie?
1 cal = 4.1840e+18 aJ.
Why would I need to convert Calorie to Attojoule?
Converting Calorie to Attojoule is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.

Energy reference calculator

Reference factors

4.1840e+18

aJ per cal

2.3901e-19

cal per aJ

Contents

Formula audit

Attojoule = Calorie x 4.1840e+18

1 cal = 4.1840e+18 aJ

Results use the shared conversion engine and retain the full conversion rule before display formatting.

Unit reference

CategoryEnergy
Input unitCalorie (cal)
Output unitAttojoule (aJ)