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Backup size calculator

This calculator estimates backup size after compression.

Data sizeCalculatorOnline

Enter values

Backup size, GB

Formula

size = data × ratio / 100

What this calculator does

This calculator estimates backup size after compression.

How to use

  1. Enter values in the fields.
  2. Click Calculate.
  3. Check the result below the form.

FAQ

Is the formula real?

Yes, real coefficients and practical data-size estimation formulas are used.

Are data sent to the server?

No, calculation runs in the browser.

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