Is this RAID Calculator free to use?

Yes, RAID Calculator is 100% free to use online with no installation or account required.

How do I use the RAID Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

RAID Calculator — Free Online Tool

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Calculate RAID storage capacity

Note: RAID 0: n×size. RAID 1: size. RAID 5: (n−1)×size. RAID 10: n/2×size.

Array

Number of Drives

Drive Size (TB)

RAID Level

⚠️ For educational purposes only. Verify results with a qualified professional when making important decisions.