Storage Calculator
Estimate total digital storage requirements with this free online Storage Calculator. Enter the size of each file or item and the number of items to calculate the approximate combined storage needed. Use it to plan file storage, organize data, and estimate capacity requirements.
1,000 MB · 0.9766 GB · 0.001 TB (binary units, where 1 GB is 1,024 MB).
What is Storage Calculator?
Estimate total storage requirements with the free Storage Calculator. Enter the size of an individual file or item and the number of items to calculate the approximate combined storage needed. Use the result to plan file storage, estimate capacity and organize digital data. Allow for additional space when planning for backups, system files, growth and other storage overhead.
Why use this tool?
- Estimate the storage needed for a number of files or records of a similar size.
- Choose the size per item in KB, MB, GB or TB.
- The total is shown in MB, GB and TB so you can compare it with a drive or plan.
How to use Storage Calculator
- Step 1. Enter the number of files or items.
- Step 2. Enter the size of one item and choose its unit.
- Step 3. Read the total storage in MB, GB and TB.
Common use cases
Important notes
- The calculator uses binary units, where 1 GB is 1,024 MB.
- The result is a simple multiplication. It does not add file system overhead, backups, versions or replication, so allow extra space.
- For files of very different sizes, use an average or calculate groups separately and add them.
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Storage Calculator FAQ
How do I estimate storage for 10,000 photos?
If each photo is about 4 MB, enter 10,000 items of 4 MB. The total is about 39.06 GB.
Does it include backup space?
No. It only multiplies the count by the size. Multiply the result again if you keep several copies or versions.
Which units does it use?
Binary units, where 1 GB is 1,024 MB and 1 TB is 1,024 GB.