Architectural top vs honest height
St. Regis Chicago is marketed at 365m. The highest floor a person can stand on - the highest occupied floor - is at 358m. The gap between those two numbers is 7.0m of structure that no occupant reaches.
That gap is the vanity height. As a percentage of architectural top, it is the Vanity Ratio: 1.9%.
In the Honest 100,St. Regis Chicago ranks #52 by occupied height.
Vanity context
A Vanity Ratio of 1.9% places St. Regis Chicago in the near-zero vanity category. Almost all of its architectural height is occupiable - a rare outcome in tall building design.
Comparable buildings
In context
Sources and methodology
Height data sourced from Wikipedia (CC-BY-SA). Vanity Ratio calculated as (Architectural Top - Highest Occupied Floor) / Architectural Top. See the full methodology.
Per-field source notes
- architectural_top_m
- Wikipedia (CC-BY-SA)
- highest_occupied_floor_m
- Wikipedia: highest residence on floors 92-93 ('St. Regis's highest residence occupies nearly 7,000 sq ft across floors 92 and 93'); floors 94-101 mechanical. 365m architectural top is parapet of tallest mass; floor 93 ceiling ~358m.