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SSD usable space

This calculator estimates usable SSD space after reserve and system data.

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Enter values

Usable, GB
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Formula

usable = capacity × (1 − reserve / 100)

What this calculator does

This calculator estimates usable SSD space after reserve and system data.

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, practical formulas for storage and data-size estimation are used.

Are data sent to the server?

No, calculation runs in the browser.

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