Calculator
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From the carpet area and a loading percentage, the tool derives the built-up area (carpet plus walls and internal features) and the super built-up area (built-up plus a share of common spaces). It makes the 'loading' a builder adds explicit.
There is no single standard loading; it varies by project and is negotiable. Under RERA, carpet area is the defined, comparable basis — use it when comparing homes, not the marketing super built-up.
That is the promise behind every tool here. Files are read in your browser tab, processed there, and discarded when you close it — never uploaded to our servers.