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 result is the floor area ratio far. Divide the gross floor area by the buildable land area. Floor area ratio far g b. The floor area ratio is useful to local governments in showing the density of a property or area for zoning decisions.

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. It is often used as one of the regulations in city planning along with the building to land ratio. A two story building on the same lot where each floor was 500 square feet. Gross floor area g floor area of 1st story floor area of 2nd story for all floors above the ground step 4.

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. In this article wealthhow tells you how to calculate floor area ratio and equips you with a calculator for the same purpose. 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 area of the floor and the exposed wall perimeter.

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. 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. Gross floor area is the sum of the floor area of each story. So our technical department will require two things.

The square footage of the building includes all floors of the structure when calculating the floor area ratio. Use this calculator to work out the floor area of a room if you re room is rectangular then simply enter the width and depth of the room and the unit of measure and the resulting floor area of the room will be calculated in several different units of measure both metric and imperial useful if you are meauring the room in one unit but for example the. To work out the amount of insulation required for a floor first you need to calculate the perimeter area pa ratio. For example a two story building of 3 000 square feet on a 4 000 square foot lot has a ratio of 0 75.

Floor area ratio is a measure of the total area a building occupies. 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. It is a tool used by the planning body of any city or town to identify densely constructed areas from the others. The terms can also refer to limits imposed on such a ratio through zoning.

Calculating the floor area of a room. Calculate the floor area ratio.