Architectural top vs honest height
Taipei 101 is marketed at 508.2m. The highest floor a person can stand on - the highest occupied floor - is at 438m. The gap between those two numbers is 70.2m of structure that no occupant reaches.
That gap is the vanity height. As a percentage of architectural top, it is the Vanity Ratio: 13.8%.
In the Honest 100,Taipei 101 ranks #14 by occupied height.
Observation decks
Indoor Observatory (89F)
Floor 89 · Indoor
382m
Outdoor Observatory (91F)
Floor 91 · Outdoor
449m
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Vanity context
A Vanity Ratio of 13.8% places Taipei 101 within the moderate range. The non-occupiable structure above the highest occupied floor is significant but not unusual for a building of this height.
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 - 508.2m to spire tip
- roof_height_m
- Wikipedia - 449.2m to outdoor observatory level
- highest_occupied_floor_m
- Wikipedia - Floors 89-91 observation levels at 382-449m; highest occupied approx 438m
- observation_decks
- Official taipei-101.com.tw - 89F indoor at 382m, 91F outdoor at 449m
- hat_factor_pct
- Calculated: (508.2-438)/508.2 = 13.8%