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Cloud Storage Cost Calculator

Estimate monthly storage cost from stored gigabytes and the provider's per-GB monthly rate.

Last reviewed: April 30, 2026Free toolMethodology

Cloud Storage Cost Calculator

These fields start with sample inputs. Keep them or replace them, then run the tool to show a fresh result.

Number fields accept plain values and common formatted input such as 250000, 250,000, or 1,234.56.

Result

Calculating the sample result.

Why it matters

Object storage and backup growth can look cheap at first, but predictable usage math helps avoid budget drift.

When to use

  • Projecting object storage cost
  • Comparing provider pricing
  • Estimating the impact of data growth on monthly spend

Inputs & Outputs

Inputs

  • Stored GB is the average amount of data stored during the month.
  • Rate per GB-month is the provider's monthly price for that storage class.

Outputs

  • Monthly storage cost shows the estimated recurring bill for storage alone.
  • Annualized cost gives a longer planning view if usage stayed constant.

Storage cost method

Multiply the average stored data volume by the storage rate charged per GB-month.

Storage cost = stored GB x rate per GB-month

Worked example

1

Archive planning

A team stores 8,500 GB in an object store priced at 0.023 per GB-month.

Inputs

  • Stored GB: 8,500
  • Rate per GB-month: 0.023

Steps

  • Cost = 8,500 x 0.023 = 195.5

Result

  • Estimated monthly storage cost is 195.50.

Edge cases & caveats

  • Request charges, retrieval fees, and egress are not included here.
  • Tiered or lifecycle pricing can change the real bill.

Frequently Asked Questions

Should replicated storage be counted separately?

Yes. If your provider bills replicated copies separately, include the full stored volume being charged.

Does this work for backups too?

Yes. Any predictable per-GB monthly storage price can be modeled with this calculator.

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