Square Foot Calculator

What it does

Square Foot Calculator is a free online tool for measuring square footage, area conversions, and material estimates for home, construction, and landscaping projects. Users can enter dimensions, choose shapes like rectangles, circles, triangles, walls, or L-shaped areas, and get instant results in square feet, yards, meters, inches, and acres. It also supports waste factor and cost estimation for flooring, paint, tile, roofing, concrete, mulch, gardens, and renovation planning.

Use this free square foot calculator to measure rooms, flooring, walls, lawns, patios, and material costs. Supports rectangle, L-shape, circle, triangle, and trapezoid layouts.

Enter your dimensions or pick a shape — get square feet, square yards, square meters, acres, material quantity and total project cost. Runs in your browser, nothing to install. Use the Square Foot Calculator to find the square footage, square yards, square meters, or acres for a building, home, garden, or construction project. Enter your measurements, select a shape, and estimate material quantity and total square footage pricing for flooring, carpet, tiling projects, landscaping, and painting. Choose a specialized calculator for your exact project — rooms, shapes, materials, outdoor areas, and unit conversions. A square foot (sq ft) is a measurement of two-dimensional area. One…from squarefootcalculator.org

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