Calculate Square Footage Lap Siding

Enter the board length of your siding.

Calculate square footage lap siding. To find the number of squares of siding needed for an installation measure each walls width and height in feet. Measure the width and height of windows doors and any other areas that will not be covered with siding. Once you know the area for each section add all of the areas together to determine the total square footage of your home s exterior. Estimate the number of linear feet of siding needed by multiplying the width of the wall in feet by the number of courses.

That is coverage of 1440 square inches. Amount of siding to cover the wall is the amount of boards needed to cover the wall. Inch and fraction enter waste factor if required. To determine the area of a rectangle or square multiply the length times the width.

Next you have to convert 1440 square inches to square feet. Enter this total square footage here. Multiply the width and height to get the area of the wall in square feet. Multiply height by width for each area and add to get total square footage not covered with siding.

Boards are most commonly sold in 12 lengths though 16 and 20 lengths can often be ordered. Multiply height by width for each area and add to get total square footage not covered with siding. Lap siding coverage chart. Therefore you divide the number of square inches total by a square foot 144 sq.

Divide the linear footage by 12 to find the number of boards needed to cover the wall. A square foot 144 sq. Divide the square footage by 100 to get the number of squares needed for the wall. Enter this total square footage here.

Square footage of wall is the wall area minus wall openings. This free calculator estimates the square footage of a property and can account for various common lot shapes. In and you get your total square feet of siding in each panel. Measure the width and height of windows doors and any other areas that will not be covered with siding.

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