Square Footage Calculator

Calculate the area of any room or space instantly. Add multiple rooms for whole-house calculations. Free, no signup required.

How to Calculate Square Footage

1

Measure Your Room

Use a tape measure to find the length and width of your room in feet or meters.

2

Enter Dimensions

Type your measurements into the calculator. Add multiple rooms for whole-house calculations.

3

Get Instant Results

See your total square footage instantly with automatic unit conversion.

Square Footage Calculator FAQ

Common questions about calculating square footage

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