Square Footage Calculator

Calculate the area of a rectangular space in square feet.

Your inputs

Enter your information and select Calculate to see the result.

Area equals length multiplied by width.

Change one assumption at a time to see which inputs have the greatest effect on the estimate.

A 12 ft by 15 ft room has 180 sq ft.

This estimate uses the dimensions and assumptions you enter. Confirm product specifications and local requirements before ordering materials.

Review this educational estimate against current quotes, official information, and your own budget before making a financial decision.