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Code42 Support

Why does the Code42 app show a different amount of storage used than the Code42 console? (CrashPlan)


You may notice in the Code42 app that the amount of space used at a particular destination differs from the amount used as shown in the Code42 console for the exact same destination. The reason is because the Code42 app displays storage values using a different calculation method than the Code42 console. This article explains the difference.

Calculation background

The Code42 app calculates storage amounts using a base-10 counting system. In this system, a kilobyte is 1000 bytes, a megabyte is 1000 kilobytes, and a gigabyte is 1000 megabytes.

The Code42 console calculates storage amounts using a base-2 counting system, or binary. In this system, a kibibyte is 1024 bytes, a mebibyte is 1024 kibibytes, and a gibibyte is 1024 mebibytes. These totals are calculated by the exponential power of two. For example, 210 = 1024.

Storage displayed in the Code42 app versus the Code42 console

The Code42 app and the Code42 console both display storage size as "MB" or "GB", but those acronyms mean different things depending on where they are displayed:

  • In the Code42 app, storage is displayed in megabytes or gigabytes (base-10 system). 
  • In the Code42 console, storage is displayed in mebibytes or gibibytes (base-2 system). 

So, for example, while your Code42 app shows that the space used at a particular destination is 1.5 GB (1.5 gigabytes), your Code42 console will show the used storage at the exact same destination as 1.3 GB (1.3 gibibytes). It's the same amount. It's just measured in different ways.

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