Gross floor area (GFA)

Welcome to the GFA Calculator Guide

If you are working with building regulations, this tool will help you calculate Gross Floor Area (GFA) based on the Floor Area Ratio (FAR) and Plot Area, following the relevant codes and authority guidelines.

How to Use This Tool

• Enter the required values:
• Floor Area Ratio (FAR)
• Plot Area (sqm)
• Click "Calculate GFA" to see the result instantly.

Check if a Space is Included in GFA

• Use the dropdown menu to select a space or area.
• The tool will tell you whether it is included or excluded from GFA calculations based on regulations.

This calculator is designed to make GFA calculations quick, easy, and accurate.

A.5.2.1 Gross Floor Area (GFA) Calculator

Enter values to determine the Gross Floor Area based on the given Floor Area Ratio (FAR) and Plot Area as per the authority regulation.

Floor Area Ratio (FAR):

Plot Area (sqm):

Result:

Select Space or Area

Choose a space or area to determine if it is included in the GFA calculation.

-- Select a Space -- Habitable and occupiable spaces Mezzanine floors Lobbies Corridors Stairs Basements in villas Parking Parking lobbies Internal roads Loading areas Mechanical and service rooms Mechanical ducts Elevator shaft at elevator recall floor Elevator shafts at other floors Elevator machine rooms Mechanical, electrical and plumbing plant floors Shafts Refuse chutes Waste rooms Storage below ground Storage on ground and above Prayer room and ablution area Gym with gross area ≤50% of roof area Gym with gross area >50% of roof area Swimming pools and related facilities Arcades (open, non-air conditioned) Base of double height volumes and atria Void of double height floors and atria Floor voids Terraces Balconies

Space Inclusion Result:

Disclaimer: The content of this post strictly references the Dubai Building Code (DBC) without any modifications, additions, or omissions. This post does not provide legal, engineering, or regulatory advice but solely cites the DBC as the authoritative source. I do not claim ownership of the referenced content, and any individual or entity should directly refer to the Dubai Building Code for official guidance. I bear no liability for any interpretations, misuse, or reliance on this content. For precise legal or technical matters, always consult the relevant Dubai authorities.