How To Work Out Floor Area Ratio

Different cities have different laws regarding the maximum floor area ratio a building can occupy.

How to work out floor area ratio.

The perimeter area ratio is worked out by dividing the exposed perimeter given by the floor area and this will calculate how much floor insulation is needed. The square footage of the building includes all floors of the structure when calculating the floor area ratio. The area of the floor and the exposed wall perimeter. The result is the floor area ratio far.

You can measure the perimeter of a room to calculate the wall area but if you already know the floor area of the room from floor plans for example it may be quicker to calculate the wall area based on that number if your room is square or round. The floor area ratio is useful to local governments in showing the density of a property or area for zoning decisions. For example a two story building of 3 000 square feet on a 4 000 square foot lot has a ratio of 0 75. The terms can also refer to limits imposed on such a ratio through zoning.

Calculating the floor area of a room. Floor area ratio far g b. It is often used as one of the regulations in city planning along with the building to land ratio. To paint wallpaper or panel a wall you must know the total area of the wall so you can buy the appropriate amount of finish.

Calculate the floor area ratio. Floor area ratio or far is a critical decisive element for the legal construction of any residential or non residential building. Divide the gross floor area by the buildable land area. Floor area ratio far is the ratio of a building s total floor area gross floor area to the size of the piece of land upon which it is built.

This is calculated by dividing the exposed perimeter given by the floor area. It is important to look up the square footage rules for your city and calculate the ratio for the building before finalizing your construction plans. It is a tool used by the planning body of any city or town to identify densely constructed areas from the others. So our technical department will require two things.

A two story building on the same lot where each floor was 500 square feet. As a formula far gross floor area area of the plot. Floor area ratio is a measure of the total area a building occupies. In this article wealthhow tells you how to calculate floor area ratio and equips you with a calculator for the same purpose.

To work out the amount of insulation required for a floor first you need to calculate the perimeter area pa ratio. Gross floor area is the sum of the floor area of each story.