Square Footage Calculator
Calculate area for any shape
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Full guide
How to Calculate Square Footage for Rooms and Flooring
Learn room square footage for rectangles and multi-room layouts, flooring waste allowances, and how to convert sq ft to sq m or yards.
About Square Footage Calculator
A versatile square footage calculator for real estate, construction, renovation, and landscaping projects. Calculate the area of rectangles, triangles, circles, trapezoids, and complex multi-room layouts. Includes materials estimators for flooring (tile, hardwood, carpet), painting (wall coverage), and concrete. Converts between square feet, square meters, square yards, and acres. Add multiple rooms or shapes to calculate total project area. 100% client-side.
Square Footage Calculator Features
- Multiple shapes
- Room calculator
- Flooring estimate
- Paint coverage
- Unit conversion
- Multi-room total
- Materials cost
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