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Compression Ratio Savings Calculator

Estimate DICOM storage savings from original size, compression ratio, and storage price.

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Inputs

TB
:1
$/TB-mo

Your values stay on this device.

Results

Monthly Savings
Compressed Storage50
Storage Saved50
Annual Savings$12,960.00

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Assumptions

  • Compression ratio is effective across the whole dataset.
  • Storage pricing is entered by the user.
  • No imaging data is processed.

Sensitivity preview

Original Storage -10%: Monthly Savings $972.00

Original Storage Current: Monthly Savings $1,080.00

Original Storage +10%: Monthly Savings $1,188.00

Formula: Compressed storage = original storage / compression ratio. Saved storage = original - compressed. Monthly savings = saved storage * redundancy multiplier * storage price.

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About this Compression Ratio Savings Calculator

Compression can reduce storage and transfer cost, but the savings depend on original data size, effective ratio, redundancy, and storage pricing.

Who this calculator is for

  • PACS administrators evaluating compression.
  • Radiology IT teams modeling archive savings.
  • Storage teams comparing lifecycle strategies.

When to use it

  • Estimate storage saved from compression.
  • Translate saved TB into monthly cost savings.
  • Compare compression ratios.

How to use this calculator

  1. Enter original storage size.
  2. Enter compression ratio and redundancy multiplier.
  3. Enter storage cost per TB-month.
  4. Review compressed size and savings.

Key assumptions

  • Compression ratio is effective across the whole dataset.
  • Storage pricing is entered by the user.
  • No imaging data is processed.

Accuracy and testing

Review formula sources, default test cases, assumptions, unit handling, rounding rules, and changelog for this calculator.

View accuracy page

How this calculator works

Compressed TB = original TB / compression ratio. Saved TB = original TB - compressed TB. Monthly savings = saved billable TB x price per TB-month.
Compressed storage = original storage / compression ratio. Saved storage = original - compressed. Monthly savings = saved storage * redundancy multiplier * storage price.

Inputs explained

Original storage

Uncompressed or current storage footprint.

Compression ratio

Effective ratio such as 2 for 2:1 compression.

Storage price

User-entered monthly cost per TB.

Understanding your results

Savings are estimates. Confirm clinical acceptability, diagnostic requirements, legal retention, and vendor support before changing compression policy.

Example scenarios

Archive compression

100 TB at 2:1 compression saves 50 TB before redundancy and pricing assumptions.

Key Features

  • Instant Calculation
  • Private & Secure
  • Mobile Optimized

Tips & Best Practices

  • Separate lossless and lossy scenarios carefully.
  • Validate compression policy with clinical and compliance leadership.
  • Include replicas when estimating billable savings.

Frequently Asked Questions

Does this recommend lossy compression?
No. It only models storage math from assumptions you enter.
Is compression ratio always consistent?
No. It varies by modality, anatomy, image content, and codec.
Are images compressed by this tool?
No. It does not access images.