Calculate the square footage of one or more rooms in feet, inches, yards, or meters. Add rooms for a whole-house total, plus flooring material and cost estimates with an adjustable waste allowance.
For each room, enter a name, length, and width in your chosen units. The calculator converts each dimension to feet, computes the rectangular room area, and produces a total in square feet, square meters, and square yards. Flooring estimates use your waste percentage and price per square foot. Paint requires separate wall measurements and is not estimated from floor area.
Disclaimer: Estimates assume rectangular rooms. For L-shapes and irregular spaces, break into rectangles and add separately. Always re-measure before ordering materials and add extra waste if your floor pattern requires special cuts.
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