How To Measure Siding Square Footage

Measure gables dormers and any other areas not included in the sides.

How to measure siding square footage.

Divide the total by 100 to find the number of squares of vinyl siding to order. Divide the square footage by 100 to get the number of squares needed for the wall. To find the number of squares measure the square footage and divide by 100. Multiply h and l by 1 2 to get gable square footage gsf.

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. Enter this total square footage here. The area of a square is the space contained within a set of lines. H x l 2 gsf.

Multiply height by width for each area and add to get total square footage not covered with siding. Measure the height and width of each side. To find the number of squares of siding needed for an installation measure each walls width and height in feet. Multiply height by width to get that side s surface area in square feet.

Add gsf to sf from step 1 to get total square footage tsq. Please enter side s surface area. Multiply each length and height measurement to find the square footage of each wall then add them together to find the total square footage. Add side measurements and enter them here.

Area of a square side length x side length answer side length x side length square area. Measure the width and height of windows doors and any other areas that will not be covered with siding.