About the Photo Storage Calculator
How many photos fit on a card or drive, and the storage a shoot will need.
Also known as: memory card capacity, how many photos fit, sd card photo count, camera storage calculator.
How to use this calculator
- Enter calculate, average file size, backup copies and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
photos = usable capacity ÷ average file size
Worked example
Using the values pre-filled in the calculator above:
- Calculate: Photos that fit
- Card or drive size = 64 GB
- Average file size = 25 MB
- Backup copies = 2
the calculator returns:
- Photos that fit: 2,490
- Usable capacity: 60.8 GB
- Per photo: 25 MB
- Shooting at 5 fps, that is: 8 min 18 s