Square Footage Calculator
Calculate the square footage of any room or area. Supports rectangles, triangles, and circles. Add multiple rooms for a total.
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Frequently Asked Questions
How do I measure an L-shaped room?
Split the L-shape into two rectangles. Measure each rectangle separately and add the areas. Use the ‘Multiple Rooms’ tab to add both sections together.
How many square feet is a typical room?
Small bedroom: 100-120 sq ft. Standard bedroom: 130-160 sq ft. Master bedroom: 200-300 sq ft. Living room: 200-350 sq ft. Average US home: ~2,300 sq ft total.