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Square Footage Calculator

Square footage of a rectangular space.

Compute the square footage and square metres of a rectangular area from length and width — for floor plans, lots, gardens, or rugs.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

ft
ft

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 = L × W. 1 m² ≈ 10.7639 ft².

In depth

Compute the square footage and square metres of a rectangular area from length and width — for floor plans, lots, gardens, or rugs.