Architectural top vs honest height
Jin Mao Tower is marketed at 420.5m. The highest floor a person can stand on - the highest occupied floor - is at 375m. The gap between those two numbers is 45.5m of structure that no occupant reaches.
That gap is the vanity height. As a percentage of architectural top, it is the Vanity Ratio: 10.8%.
In the Honest 100,Jin Mao Tower ranks #38 by occupied height.
Observation decks
88F Observation Deck
Floor 88 · Indoor
374m
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Vanity context
A Vanity Ratio of 10.8% places Jin Mao Tower 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 - 420.5m
- roof_height_m
- Wikipedia - 375m to observation deck level
- highest_occupied_floor_m
- Wikipedia - 88F Grand Hyatt hotel at 375m
- observation_decks
- Wikipedia - 88F at 374.5m
- hat_factor_pct
- Calculated: (420.5-375)/420.5 = 10.8%