Backup RPO/RTO & Storage Sizing Calculator

Estimate backup frequency (RPO), restore feasibility (RTO), and storage required for retention. These are engineering estimates—validate with measured throughput tests.

Inputs

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Results

How the calculator works

  • Storage sizing uses a simple model: keep incrementals for each retention day plus periodic full backups.
  • Efficiency is applied as compression × dedupe to estimate stored footprint.
  • RTO feasibility checks if a worst-case full restore fits within your target window given network and restore throughput.

Disclaimer: This tool provides sizing estimates, not guarantees. Real-world results depend on workload characteristics, application quiescing, backup format, parallelism, and storage/network contention.