Free Storage Planning Tool
Data Storage Calculator
Estimate how many photos, videos, songs, documents, PDF files, apps, or custom files can fit into a selected storage size such as 64GB, 128GB, 256GB, 512GB, or 1TB.
Calculating...
Results are approximate because real file sizes can change based on quality, format, compression, camera settings, app data, and device storage usage.
Quick examples:
Estimated Storage Result
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Enter storage size and file type to calculate an estimate.
Selected File Type
Photos
Average Size Used
5 MB
Simple Explanation
This calculator divides usable storage by average file size. For videos, it estimates total video minutes and clips using average minutes per clip.
Usable Storage
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Remaining Estimate
—
Raw Storage
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Reserved Storage
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Usable Storage
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Calculation Mode
1024
| Calculation Detail | Current Result | Simple Meaning |
|---|---|---|
| Total Storage Entered | 64 GB | The storage size entered by the user. |
| Raw Storage in MB | 65,536 MB | The selected storage converted into MB using the chosen calculation mode. |
| Reserved / System Storage | 10% | Storage kept aside for system files, formatting, app data, or safety margin. |
| Usable Storage | 58,982.4 MB | The estimated storage available for files after the reserved percentage. |
| Average File Size | 5 MB | The estimated size of one file, or one minute for video presets. |
| Estimated Capacity | 11,796 photos | The approximate number of selected files that can fit into the storage. |
| Common Storage Size | Usable Storage | Estimated Result |
|---|
| Preset | Default Estimate | Best Use |
|---|---|---|
| Photos | 5 MB each | Simple smartphone photo estimate. |
| RAW / High-Res Photos | 25 MB each | Photography, DSLR, mirrorless, and high-resolution image planning. |
| Songs / MP3 Audio | 5 MB each | Music storage estimate for phones, USB drives, and memory cards. |
| Documents | 1 MB each | Assignments, Word files, notes, spreadsheets, and office files. |
| PDF / eBook Files | 5 MB each | PDF notes, eBooks, reports, study material, and downloaded documents. |
| 1080p Video | 120 MB per minute | Approximate HD video storage planning. |
| 4K Video | 375 MB per minute | Approximate high-resolution video storage planning. |
For Mobile Buyers
Compare 64GB, 128GB, 256GB, and 512GB storage before choosing a phone.
For Photographers
Estimate how many photos or videos can fit into memory cards, hard drives, or cloud storage.
For Students
Plan storage for PDFs, assignments, notes, videos, software, and study documents.
Important note: These results are estimates only. Actual file capacity can change because of file format, compression, camera quality, video bitrate, app data, operating system storage, duplicate files, and device formatting.
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