How To Calculate The Maximum Floor Area Ratio

Floor area ratio far is a mathematical formula that determines how many square feet can be developed on a property in proportion to the lot area.

How to calculate the maximum floor area ratio.

Divide the gross floor area by the buildable land area. It is often used as one of the regulations in city planning along with the building to land ratio. The result is the floor area ratio far. What is 2 5 fsi.

Floor area ratio calculation. The terms can also refer to limits imposed on such a ratio through zoning. Gross floor area is the sum of the floor area of each story. Floor area ratio total covered area on all floors of all buildings on a certain plot area of the plot or.

Far gross floor area area of the plot far is used for developing the zoning codes by the government s planning department. In the example 17 000 square feet divided by 10 000 square feet equals a ratio of 1 7. The property area is multiplied by the far factor. If the fsi is 2 5 this means that a builder with a plot of 1 000 sq metres can construct 2 5x1 000 sq metres that is 2 500 sq metres.

Far is the floor area ratio and fsi stands for floor space index. The formula of far total area of floor area of land after deduction space for the road. This ratio is determined by dividing the built up area of a building with the total size of the plot. Floor area ratio is the ratio of a building s total floor area to the size of the piece of land upon which it is built.

Divide the total square footage of the building s stories by the square footage of the site to calculate floor area ratio. With the result being the maximum floor area allowed for a building on the lot. 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. Maximum floor area ratio and building coverage calculator.

A two story building on the same lot where each floor was 500 square feet. Calculate the floor area ratio. Gross floor area g floor area of 1st story floor area of 2nd story for all floors above the ground step 4. The city has launched a beta to preview its new website and gather feedback.

Written as a formula far gross floor area area of the plot.