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Square Footage Calculator

Add multiple rooms or areas. Enter length × width for each to get the total.

Total Area

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Also in other units

Square Meters—

Square Yards—

Square Inches—

Acres—

How to measure square footage

Measure each room's length and width, then multiply. Add all rooms for the total. For irregular shapes, break them into rectangles.

Area = Length × Width · 1 sq ft = 0.0929 sq m = 144 sq in