Square Footage Calculator
Calculate the area of any room or plot in square feet and square meters instantly.
π 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
- Enter your numbers in the fields above.
- Results update instantly β no button to press, no page reload.
- 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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