OneDrive storage tool

OneDrive Photo Storage Calculator

Estimate OneDrive space required for a photo library from image count and average file size.

Free to use No installation Conservative by design

Estimated photo storage

97 GB

Storage per 1,000 photos
5.4 GB
Extra-copy overhead
12.7 GB
01

Estimated photo library size

02

Approximate quota share

03

Duplicate-copy scenario

How it works

A useful answer in three clear steps.

  1. 1

    Enter the photo count

    Complete this check before moving to the next decision.

  2. 2

    Add average megabytes per photo

    Complete this check before moving to the next decision.

  3. 3

    Include expected duplicate or edited copies

    Verify the final result against your current cloud drive or organizational policy.

Frequently asked questions

Before you use this tool

Is the Photo Storage Calculator free to use?

Yes. You can use this tool in the browser without creating an account or installing software.

How accurate is the Photo Storage Calculator?

The arithmetic uses the values you provide. Its usefulness depends on whether those inputs represent the real drive, team or transfer conditions, so treat the result as a planning estimate.

Can this tool delete or change my cloud-drive files?

No. This page does not connect to your cloud account and cannot rename, move or delete files. It produces an estimate, analysis or checklist for you to review.

What should I do after using the Photo Storage Calculator?

Include expected duplicate or edited copies. This estimate does not account for compression changes, Live Photos or associated sidecar files.