Floor Area Ratio - Terminology

Terminology

The terms most commonly used for this measurement vary from one country or region to the next.

In Australia "floor space ratio" (FSR) is used in New South Wales and "plot ratio" in Western Australia.

In India "floor space index" (FSI) and "floor area ratio" (FAR) are both used.

In the United Kingdom both "plot ratio" and "site ratio" are used,

In the United States and Canada "floor space ratio" (FSR) is used.