Floor To Area Ratio

Index numbers are values expressed as a percentage of a single base figure.

Floor to area ratio.

The floor area ratio is the deciding factor in finding out the maximum buildable floor area. The floor area ratio far or floor space ratio fsr denotes the maximum floor space that can be constructed on a given piece of land. Far is helpful in knowing the parameters of a plot like the size and width thus. It is a tool used by the planning body of any city or town to identify densely constructed areas from the others.

Divide the gross floor area by the buildable land area. In this article wealthhow tells you how to calculate floor area ratio and equips you with a calculator for the same purpose. A two story building on the same lot where each floor was 500 square feet. Both can affect the overall bulk characteristics within a zoning district.

The floor area ratios are set forth by nyc planning in the zoning resolution zoning code. The floor area ratio also known as the floor space ratio fsr or the floor space index fsi depicts the relationship between the total usable floor space in a building and the total area of the plot on which the building is constructed. Floor area ratio is the percentage of building floor space to lot area. Lot coverage is the percentage of a land plot covered by one or more structures.

Calculate the floor area ratio. The floor area ratio far is the ratio of a building s gross floor area to the total area of the land upon which it is constructed. Floor area ratio far is the measurement of a building s floor area in relation to the size of the lot parcel that the building is located on. The difference between far and fsi is that the first is a ratio while the latter is an index.

The floor area ratio of a 1 000 square foot building with one story situated on a 4 000 square foot lot would be 0 25x. In other words it is a ratio between a building s total constructed floor area and the land area. Floor area ratio far is the ratio of a building s total floor area zoning floor area to the size of the piece of land upon which it is built. Thus an far of 1 5 is translated as an fsi of 150.

Far is expressed as a decimal number and is derived by dividing the total area of the building by the total. Floor area ratio far or floor space index fsi is the major factor that influences the price of a plot or land. Floor area ratio is sometimes called floor space ratio fsr floor space index fsi site ratio or plot ratio.