Data & storage
Storage calculator
Estimate how many files fit on a drive, card or cloud plan.
Last updated: April 2026
Enter values to estimate how many files fit.
Why this calculator matters
People rarely search for storage math for fun. They search when they are trying to work out whether a card, SSD, NAS share or cloud plan is big enough. That makes this calculator useful traffic and genuinely practical.
It is intentionally simple: capacity, average file size and a reserve margin. That is enough for most planning jobs.
Typical use cases
- camera cards
- backup planning
- music and video libraries
- phone storage checks