ft²
Square Footage Calculator
The area of a room or plot in square feet and square metres, with an optional cost.
Result…
How it's calculated
Rectangle = length × width Circle = π × r² Triangle = base × height ÷ 2 1 ft² = 0.09290304 m²
Gives the floor area of a room, plot or any of the three basic shapes, in square feet and square metres. Split an L-shaped or irregular room into rectangles and add them. Add 5–10% when you buy material by area to allow for cuts.
Your numbers, step by step
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