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Multi-Floor Area Aggregator

Multi-Floor Area Aggregator from Gizcalc helps you estimate results quickly within the Real Estate category.

  • Instant results
  • Charts & tables
  • Save & compare
  • Private – runs in your browser
Total Built-up Area —

Sample inputs are pre-filled so you can see a result quickly. Results are estimates only and may not be accurate because prices, interest rates, taxes, fees, fuel costs, tariffs, market returns, medical costs, and local rules can change. Please verify current values before making financial, tax, legal, medical, or business decisions.

Formula used

Total built-up area = Σ (Length × Width) of each floor

  • Metres = converted at 1 sq m = 10.7639 sq ft

About the Multi-Floor Area Aggregator

What is the Multi-Floor Area Aggregator?

For construction estimates, approvals and property tax, you often need the total built-up area across all floors. This calculator adds each floor's area and shows a floor-wise table.

Enter one floor per line with its name, length and width. Add a rate per sq ft to see the total cost.

How to use the Multi-Floor Area Aggregator

  1. Floors (one per line: name, length, width) — one floor per line: name, length, width. For example: Ground floor, 40, 30. (sample: Ground floor, 40, 30 First floor, 40, 30 Second floor, 30, 25)
  2. Measurements In (sample: Feet)
  3. Construction or Sale Rate (₹ per sq ft, optional) (sample: 0)
  4. Press Add Up Floor Areas (results also refresh as you type). The result card shows the Total Built-up Area, along with Total in square metres and Number of floors.

Formula used

Total built-up area = Σ (Length × Width) of each floor

  • Metres = converted at 1 sq m = 10.7639 sq ft

For L-shaped floors, split them into rectangles and enter each as a separate line.

Worked example

These are the sample values already filled in the calculator above, and the result it returns for them:

InputSample value
Floors (one per line: name, length, width)Ground floor, 40, 30 First floor, 40, 30 Second floor, 30, 25
Measurements InFeet
Construction or Sale Rate (₹ per sq ft, optional)0
ResultValue
Total Built-up Area3,150 sq ft
Total in square metres292.6 sq m
Number of floors3

Tips for using the Multi-Floor Area Aggregator

  • Check the total against the floor area ratio (FAR/FSI) allowed on your plot.
  • Balconies and staircases may count differently for approvals; check local bylaws.

Frequently asked questions

Measure each floor's outer length and width, multiply, and add the floors together.

Floor area ratio is the total built-up area allowed divided by the plot area, set by the local authority.

Usually yes for costing; for FAR calculations, some authorities exclude staircases and lift wells.