How To Calculate Floor Area Ratio FarFebruary 1, 2026 \n\n\n\n\nCalculate Floor Area Ratio (FAR)\n \n\n\n \n Calculate Floor Area Ratio (FAR) \n \nLot Size (sq ft)\n\n \n \nTotal Building Area (sq ft)\n\n \n \nCalculate FAR\nReset\n \n FAR: 0.0 \n \n\n\n