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Carpet Calculator

Square footage and cost for carpeting a room.

Compute the square footage of a rectangular room and the total cost to carpet it at a given price per square foot or per square metre.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

$
%

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Area = length × width. Cost = area × unit price × (1 + waste %).

In depth

Compute the square footage of a rectangular room and the total cost to carpet it at a given price per square foot or per square metre.