Floor Area Ratio Calculator
Plot area (square feet)
Permitted floor area ratio
Maximum site coverage (%)
Usable share of gross floor area (%)
Buildable floor area
15,000 sq ft
Maximum ground footprint
4,000 sq ft
Storeys needed at that footprint
3.8
Usable area after circulation
12,000 sq ft
Calculator by
Floor area ratio
— free on
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