floor area ratio; FAR; floor space index
Technical term in architecture and urban planning: the ratio of a building's total floor area to the area of the plot of land on which it is built. Used in Japanese building regulations.
The floor area ratio in this area is limited to 200%.
容積率を計算するには、延べ床面積を敷地面積で割ります。
To calculate the floor area ratio, divide the total floor area by the site area.