PACS Storage Growth Calculator accuracy and testing

Formula source

• Monthly new TB = monthly studies * average study GB / compression ratio / 1024. Retained new TB sums annual growth across retention years, then applies the planning buffer.

Test cases

Known limitations

• This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
• Use the result as a planning estimate unless the calculator page states a stricter purpose.

Assumptions

• Study size, compression, and annual growth are estimates supplied by the user.
• The calculator does not inspect DICOM files or account for every PACS/VNA storage implementation.
• Results are for operational planning only and are calculated locally in your browser.

Unit handling

• DICOM Modality Preset accepts one of the configured options.
• Current Archive Storage accepts values in TB.
• Monthly Studies accepts numeric values.
• Average Study Size accepts values in GB.
• Compression Ratio accepts values in :1.
• Annual Study Growth accepts values in %.
• Retention Period accepts values in years.
• Planning Buffer accepts values in %.
• Projected Storage Need is displayed in TB.
• First-Year New Storage is displayed in TB.
• Retained New Storage is displayed in TB.
• Monthly New Storage is displayed in GB.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Input precision follows configured step values where provided.

Version history

Change log