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Floor to Area Ratio Calculator

Formula

The formula to calculate floor to area ratio is:

$\text{FAR} = \frac{\text{G}}{\text{B}}$

Where:

(FAR) is the floor to area ratio
(G) is the gross floor area (sum of the area of all floors)
(B) is the buildable land area (parcel width (\times) parcel depth)

What is Floor to Area Ratio?

A floor to area ratio is defined as the ratio of the gross floor area to buildable land area. It is a measure of how many floors can be built in a given parcel or lot of land.

Example Calculation

Let's assume the following values:

Gross Floor Area (G) = 10,000 sq ft
Buildable Land Area (B) = 5,000 sq ft

Using the formula:

$\text{FAR} = \frac{10000}{5000} = 2$

The floor to area ratio is 2.