Model Compression Ratio Calculator

Engineer clearer deployments with measurable compression outcomes now. Tune quantization and pruning tradeoffs confidently here. Export results fast for reports, reviews, and teams everywhere.

Calculator Inputs
Choose a basis, enter data, then calculate compression results.
Auto uses sizes first, then parameter estimates.
Notes are not required; exports include core results only.
Option A: File Sizes
Works best for real artifacts (e.g., ONNX, safetensors, engine files).
Orig
Comp
Captures headers, metadata, manifests, alignment, etc.
Option B: Parameters & Precision
Estimate size from parameter count and average bits per parameter.
Average bits per parameter after packing.
Applies a multiplier to parameter storage estimates.
Quantization changes this field most.
Used to estimate download/distribution time savings.
Tip: Select “Use file sizes” for real artifacts; use parameter estimates early in design.
Example Data Table
Illustrative comparisons for common compression scenarios.
Scenario Original Compressed Ratio Reduction
Quantization (16 → 8 bit) 1.50 GB 0.75 GB 2.00× 50%
Pruning + packing 900 MB 360 MB 2.50× 60%
Engine serialization 620 MB 410 MB 1.51× 33.87%
Real results vary with sparsity, formats, alignment, and operator fusion.
Formula Used
1) Compression Ratio
Compression Ratio = Original Size ÷ Compressed Size
A larger ratio means a smaller compressed artifact.
2) Size Reduction Percentage
Reduction (%) = (1 − (Compressed ÷ Original)) × 100
3) Parameter-based Size Estimate
Estimated Bytes = Params × (Bits ÷ 8) × Context Multiplier × (1 + Overhead%)
Context multiplier is approximate: inference=1, Adam states=3, Adam+gradients=4.
4) Transfer Time Estimate
Time (s) = (Bytes × 8) ÷ (Link Mbps × 1,000,000)
Assumes ideal throughput without protocol overhead or congestion.
How to Use This Calculator
  1. Pick a calculation basis: auto, file sizes, or parameters & precision.
  2. Enter original and compressed values in the relevant section.
  3. Adjust overhead (%) if your format adds metadata or padding.
  4. Optionally set link speed to estimate distribution time savings.
  5. Press Calculate to see results above the form, then export CSV/PDF.
Built for engineering sizing, reporting, and deployment planning.

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Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.