Photo storage calculator
Plan storage for a photo collection using image count, average file size and extra space.
Enter your values or select local files.
Decimal MB and GB. Use sizes from your actual JPG, HEIC or RAW files. Averages are your assumptions, not universal camera file sizes; videos and additional backups are excluded.
Formula
GB = photo count × average MB ÷ 1,000 × (1 + buffer % ÷ 100).
Worked example
10,000 photos × 5 MB = 50 GB; with 20% extra space = 60 GB.
How to use this tool
Enter values or select the relevant local data.
Review the result, example and assumptions.
Reset the tool or export a reviewable plan.
Good questions. Clear answers.
What does this tool calculate?
Plan storage for a photo collection using image count, average file size and extra space.
What assumptions and limits apply?
Decimal MB and GB. Use sizes from your actual JPG, HEIC or RAW files. Averages are your assumptions, not universal camera file sizes; videos and additional backups are excluded.
What calculation does it use?
GB = photo count × average MB ÷ 1,000 × (1 + buffer % ÷ 100).