Raid Capacity Calculator
raid capacity calculator. Get instant, accurate results. Enter values for instant results with step-by-step formulas.
Reviewed by Daniel Agrici, Founder & Lead Developer
Reviewed by Daniel Agrici, Founder & Lead Developer
Formula
RAID 0: N×size | RAID 1: size | RAID 5: (N-1)×size | RAID 6: (N-2)×size | RAID 10: N/2×size
Calculate usable storage capacity for different RAID levels.
Worked Examples
Example 1: 4×2TB RAID 5
Problem:4 disks, 2 TB each, RAID 5
Solution:(4-1)×2 = 6 TB usable, 75% efficient
Result:6 TB usable
Reviewed by Daniel Agrici, Founder & Lead Developer · Editorial policy