How To Measure Siding Square Footage

Multiply each length and height measurement to find the square footage of each wall then add them together to find the total square footage.

How to measure siding square footage.

Multiply h and l by 1 2 to get gable square footage gsf. To find the number of squares of siding needed for an installation measure each walls width and height in feet. These lines should be measured in feet ft for square footage calculations and if needed converted to inches in yards yd centimetres cm millimetres mm and metres m. Measure the height h and length l of each gable.

Multiply height by width to get that side s surface area in square feet. The area of a square is the space contained within a set of lines. Multiply height by width for each area and add to get total square footage not covered with siding. Add gsf to sf from step 1 to get total square footage tsq.

Measure gables dormers and any other areas not included in the sides. To find the number of squares measure the square footage and divide by 100. H x l 2 gsf. Multiply the width and height to get the area of the wall in square feet.

Start by measuring the height and width of each wall of the building. Add side measurements and enter them here. Measure the height and width of each side. Measure the width and height of windows doors and any other areas that will not be covered with siding.

Enter this total square footage here. Area of a square side length x side length answer side length x side length square area.