Women's Apparel Cross-Brand Sizing & Vanity Drift Analyzer

Anatomical measurement conversion, ASTM historic standard mapping, and fabric ease dynamics
Fuse.js 7.0.0 | Math.js 12.4.1
Anatomical Inputs
36.0 in
28.5 in
35.0 in
39.0 in
30.0 in

1958 CS215-58 Historic
Size 14
Strict Baseline
Modern ASTM D5585
Size 8
Standard Reference
Vanity Sizing Drift
3.2 in
Expansion since 1958
Fit Variance Score
High Variance across retail categories
Across 8 Top Brands
Cross-Brand Size Equivalence Matrix Fuzzy Matched via Fuse.js
Brand / Standard Recommended Size Target Waist (in) Target Hip (in) Ease Alignment
Interactive Fit & Ease Silhouette Overlay
Bust 36.0" Waist 28.5" Hip 39.0"

Active Verification Proof Surface

Bust: 36 in
Waist: 28.5 in
High Hip: 35 in
Low Hip: 39 in
Inseam: 30 in
J.Crew Match: Size 6 / S
Levi's Match: 28 / 6
Lululemon Match: Size 8
Zara Match: Size M / 8
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