FREE PLANNING TOOL

Backup storage planner

Model data growth, restore points and separate copies conservatively.

Estimate capacity before buying storage. Choose full copies or an explicit incremental-backup model. Confirm results with a real backup report and restore test.

Planning estimates only. Defaults are illustrative assumptions, not supplier quotes. Edit them for your business. Monetary inputs are AUD excluding GST unless a field says otherwise.

Your plan

Review the inputs, then choose calculate.

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Method, assumptions and limitations

Future source = current GB × (1 + growth/100)^years. Full model per-copy capacity = future source × restore points. Incremental model per-copy capacity = future source × [1 + (restore points − 1) × changed fraction]. Total provision = per-copy capacity × copies × (1 + headroom/100). 1,000 GB = 1 decimal TB.

Source data is additional to the backup capacity calculated. Copies are separate backup destinations, not the original data. Incremental chains, periodic synthetic fulls, immutability, deleted-file retention and storage billing can change actual consumption. This model gives no credit for deduplication or compression; encrypted, media and already compressed data may save little. Vendor retention semantics differ. Separate copies alone do not guarantee an offline or isolated backup.

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