431.98 m
Exact projection proportions
Both visible axes passed the 5% tolerance check.
The Pentagon (Current)
The Pentagon is shown as the current permanent building in a strict orthographic roof-plan view, with all five concentric rings and central courtyard but no roads, parking, heliport, memorial or landscaping. Its 454.22 by 431.98 m plan envelope is derived from the official 921 ft outer-wall length.
Dimensions
- Height
- 21.73 m
- Length
- 454.22 m
- Width
- 431.98 m
Quick facts
- Each outer wall
- 280.72 m
- Plan envelope
- 454.22 × 431.98 m
- Height
- 21.73 m
- Above-ground floors
- 5
- Gross floor area
- about 604,000 m²
The Pentagon (Current) · Size infographic
Related objects
Sources and measurement44 References
Dimensions were cross-checked against independent sources before publication.
Measurement basis
Plan extents are derived from the official 921 ft sides using regular-pentagon geometry; top-view ratio is 1.05146:1.