PLANNING

Floor Area Ratio Calculator

FAR · Building footprint · Zoning compliance · Density · Site coverage

FAR = GFA / Site Max FAR

Site & building data

ratio
Check your local zoning code
Floor Area Ratio (FAR) ratio
Status
Max allowable GFA
Remaining capacity
FAR = Total Floor Area / Site Area

FAR gauge

2.50 FAR 0 5.0 max
FAR = 2.50  ·  Max FAR = 3.0

Site utilization

Site Area 2.5× GFA / Site 0 100%
Building coverage: % of site