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Square Footage Calculator

Calculate the area of any room or plot in square feet and square meters instantly.

πŸ”„ Updated October 13, 2026

About the Square Footage Calculator

Planning a build or renovation? The Square Footage Calculator gives fast, reliable planning estimates. Calculate the area of any room or plot in square feet and square meters instantly. Figures include a small waste allowance where relevant. For bigger projects, compare with the Concrete Calculator and Gravel Calculator.

How to use this calculator

  1. Enter your numbers in the fields above.
  2. Results update instantly β€” no button to press, no page reload.
  3. Adjust the inputs to compare scenarios with the Square Footage Calculator.

Keep exploring: Concrete Calculator Β· Paint Calculator Β· Tile Calculator Β· Brick Calculator

Frequently asked questions

How is square footage calculated?

Multiply length by width. For L-shaped rooms, split into rectangles and add them.

How many square feet in a marla?

One marla equals 272.25 square feet.

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