Home & build · NUMORA
Square Footage Calculator
You measured length and width. You want m² or ft² to buy flooring or brief a contractor.
Open interactive calculatorHow to use
Optional second room. Split irregular shapes into rectangles.
Formula
A = L × W
FAQ
Is this Square Footage calculator accurate?
The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.
Do I need an account?
No. Calculations run in your browser. Recents can stay on this device.
What inputs do I need?
Optional second room. Split irregular shapes into rectangles.
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