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Glam Ledger

What is the formula of built up area?

Author

John Peck

Published Apr 21, 2026

Built-up area = Carpet area + areas covered by the walls

ft. Generally, the built-up area is 10-15 % more than the carpet area. So, the built-up area will be around 1000 sq.

Similarly one may ask, what is built up and carpet area?

Carpet area is the area that is used by the owner of the house whereas the built up area includes the areas covered by walls or exclusive balconies and super built-up area casts the net wider to include common areas as well.

Similarly, what is difference between built up area and carpet area? Carpet area is the area enclosed within the walls of your flat. Super built-up area or saleable area is the total built-up area of your flat (explained above) plus your proportionate share of the common amenities in your building complex.It is also called the saleable area.

Likewise, people ask, what is the formula for carpet area?

How to Calculate Carpet Area. Inner wall area + floor area = Carpet area. Multiplying the length and width of each room, inner walls, inner corridors, etc., and then adding them all up would give you the carpet area of the house.

How do you calculate built-up area example?

For instance, built-up area is 1000 sq ft, and carpet area is marked as 80 percent. This implies that only 800 sq ft of the area is usable area - 1000*80/100 =800 sq ft. Here, the usable area may include terrace, rooms, balcony, bathrooms and kitchen or any other usable area in the house.

Related Question Answers

How do you calculate construction floor area?

Measure the length and width of the inside of the building's walls. Multiply the length and width measurements in order to find the square footage. Multiply the square footage times the number of floors in the building.

How is property tax built-up area calculated?

The standard formula that is followed during the calculation of Property Tax is: Property tax = base value × built-up area × Age factor × type of building × category of use × floor factor.

What is built-up area for landed property?

A built-up or built-in area refers to the total area that is being constructed or developed. The URA defines Gross Floor Area as all covered floor areas of a building, except otherwise stated, and uncovered areas for commercial uses. Plot ratio refers to the intensity of land usage on a specific piece of land.

What is proposed built-up area?

The built-up area is the comprehensive area which is the sum of the carpet area and the thickness of walls of the housing unit. The area spanned by the balcony or terrace is also counted in this.

What is built up area and plot area?

The total area of the building in the area of the plot (plot area) is called the built-up area. In simple terms, the area excluding the empty space around the building is called the plinth area or built-up area. Generally, we leave 3 to 6 feet on all sides of the building.

How do builders calculate square footage?

Multiply the length by the width and write the total square footage of each room in the corresponding space on the home sketch. Example: If a bedroom is 12 feet by 20 feet, the total square footage is 240 square feet (12 x 20 = 240). Add the square footage of each room to determine your home's total square footage.

How do you convert built up area to carpet area?

How to calculate Carpet Area? (Carpet area calculator) The carpet area is generally around 70% of the built up area. For example, let's assume that the built up area is 1,000 sq ft then your carpet area should be around 700 sq ft as carpet area is 70% of total built up area.

Should I pay for built up area?

The stamp duty shall be paid on the super built up area only since the buyer is purchasing the super built up area. There is no such thing in any municipal act for super built up all over india you can find built up area. You can ask builder show your plan where it's mentioned super built.

How is apartment area calculated?

The built-up area of a premise is measured from the external perimeter wall surfaces. It is the carpet area plus the wall thickness along with other unusable areas within the apartment such as the dry balcony, terrace, flower beds, etc. It is always more than the carpet area.

How is construction cost calculated?

Cost of construction = Area of plot x Construction rate per Sq. ft. If Someone wants to know how this cost comes and asks about what is the cost of materials and labor, then we need to calculate material quantity separately.

What is floor area of a building?

The floor area of buildings is the sum of the area of each floor of the building measured to the outer surface of the outer walls including the area of lobbies, cellars, elevator shafts and in multi-dwelling buildings all the common spaces.

Is covered area and built-up area same?

Carpet area: It is the area within the walls OR the actual area where you can lay the carpet. Carpet area is approximately 75% of the super-built-up area. Covered area: It is the actual area under the roof +walls, pillars & balconies.

What is the plinth area?

Plinth Area means the built up covered area measured at the floor level of the basement or of any storey including balconies but excluding ducts/ services and lift shaft (except in the lowermost floor of lift shaft) and open cut-out areas.

How do builders calculate salable area?

It is calculated by adding the markup for common spaces to the built-up area. As a thumb rule, most builders take 1.25 as the multiplying factor to calculate super built up area, multiplying the carpet area by 1.25. This would increase the total saleable area by approximately 25 per cent.

Is balcony included in carpet area?

Carpet area usually means anything inside the outer walls of an apartment, but excluding the balconies, verandah, wall thickness or open terrace and shafts.