OhMyCalc

Deduplication Calculator

Calculate storage savings from data deduplication. Enter original data size and deduplication ratio to find how much space you save.

How to Use the Deduplication Calculator

  1. Enter original data size in GB.
  2. Enter the deduplication ratio (e.g., 3 for 3:1).
  3. Click Calculate to see deduplicated size and savings.

Cas d'utilisation

Formule

Deduplicated size = Original / Dedup ratio. Savings = (Original − Deduped) / Original × 100%.

Questions fréquemment posées

What is a deduplication ratio?
Dedup ratio indicates how much data is eliminated. A 3:1 ratio means 3 GB of data stored as 1 GB after dedup.
What dedup ratios are typical?
Virtual desktop environments: 10:1–50:1. General file storage: 2:1–5:1. Backup data: 10:1–30:1.
Does deduplication work with encrypted data?
No — encryption makes data appear unique, eliminating dedup effectiveness. Encrypt after deduplication.