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FyndCalc
Measurement•Calculate room or project area in square feet or meters, with a waste allowance
Includes waste allowance

Square Footage Calculator

Calculate floor, room, wall, or project area and include an optional waste allowance

Square Feet
300
Square Meters27,87
With Waste330 ft²30,66 m²
Formula: Area = Length × Width. The waste-adjusted area = Area × (1 + waste percentage ÷ 100).

How to Calculate Square Footage

Measure the length and width of a rectangular area, multiply them together, and add a waste allowance when estimating materials such as flooring, tile, or other sheet goods.

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Common questions about our online calculators, mathematical methods, and privacy

Yes, 100%. Every calculation and text analysis is processed locally inside your web browser. No figures, text entries, or personal information are ever sent to an external server or stored in a database.