CalcRAID Capacity Calculator
Last updated: 2026-08-24
RAID Capacity Calculator — Calculate RAID array capacity.
Inputs
Result
Enter values and press Calculate
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How to use it
- Identify nivel RAID
- Apply formula correspondiente
- Calculate capacity of redundancia
Common mistakes
- ⚠️ Use nivel RAID with muy few discos
- ⚠️ Not considering disco of repuesto
Worked example
Calculate RAID 5 with 4x 1TB drives.
Capacidad usable and redundancia of the array
Input guide
| Field | Typical range |
|---|---|
| drives | 2-24 discos according to RAID |
| drive_size | 500 GB - 20 TB per disco |
| raid | 0, 1, 5, 6, 10 |