Calcolatrice di precisione

Multiple Rooms Square Footage Calculator — Add Rooms Instantly

Multiple Rooms Square Footage Calculator: Add as many rooms as you need, each with its own name, length, and width, and get the combined total square

Più Stanze

Fattore di scarto materialeOPZIONALE

Stima del costo del materialeOPZIONALE

Calculation Results

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1 ft (12 in) 1 ft 1 ft² = 144 in²

Add and Sum Multiple Rooms Instantly

Select the Multiple Rooms shape to add unlimited room rows, each with its own optional name, length, and width. Click Add Room to add another row, or the × button to remove one. Click Calculate and the tool automatically sums every valid row into a single combined square footage — no manual addition required.

The Quantity field is hidden for this shape since each row already represents one room. For flooring or paint projects covering an entire home, add a row for every room and hallway, then use the Material Waste Factor and Estimate Material Cost sections for a complete project estimate.

Come funziona

1

Seleziona Forma

Choose the shape that matches your space.

2

Inserisci le dimensioni

Immettere le misurazioni in qualsiasi unità. Aggiungi quantità, fattore di scarto e prezzo del materiale.

3

Ottieni risultati

Visualizza l'area in ft², in², yd², m², acri più stima dei costi, tutto in una volta.

Domande frequenti

Select the Multiple Rooms shape, then enter a length and width for each room row. Click Add Room to add more rows — there's no limit. Click Calculate and the tool automatically sums every valid row into one combined total.
Yes — that's exactly what this calculator does. Each row has its own length and width, so a 10×12 bedroom and a 14×16 living room can be added in the same calculation without any manual math.
For flooring projects, yes — hallways need flooring too. Add each hallway as its own row (length × width) alongside your rooms. For room-only calculations like painting, you can leave hallways out.
Click the × button on the right side of any room row to remove it. The calculator always keeps at least one row available, and clicking Clear resets the list back to two empty rows.
Add a row for every room, hallway, and closet that needs flooring, then click Calculate for the combined area. Open the Material Waste Factor section and enter 5–15% to automatically include extra material for cuts and fitting.
No — the Quantity field is hidden for Multiple Rooms since each row already represents one room. If you need several identical copies of the same room, add one row per copy instead.
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