Calculate Square Footage Lap 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.

Calculate square footage lap siding.

Multiply the width and height to get the area of the wall in square feet. 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. 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. A square foot 144 sq. Multiply height by width for each area and add to get total square footage not covered with siding. Inch and fraction enter waste factor if required.

To find the number of squares of siding needed for an installation measure each walls width and height in feet. Therefore you divide the number of square inches total by a square foot 144 sq. That is coverage of 1440 square inches. Enter this total square footage here.

Divide the square footage by 100 to get the number of squares needed for the wall. Area 3 7 8 5 4 7 8 6 5 7 8 7 6 7 8 8 8 1 2 9 1 2 10 7 8 12 100 sq. Inch enter the exposed face value of your siding. Amount of siding to cover the wall is the amount of boards needed to cover the wall.

Estimate the number of linear feet of siding needed by multiplying the width of the wall in feet by the number of courses. Determine total cost given a rate per square foot or explore hundreds of other calculators covering topics such as math finance fitness health and more. Lap siding coverage chart. Enter this total square footage here.

Divide the linear footage by 12 to find the number of boards needed to cover the wall. Measure the width and height of windows doors and any other areas that will not be covered with siding. To find the area of a triangle multiply the height of the triangle by the length of the longest side then divide by two. Square footage of wall is the wall area minus wall openings.

Next you have to convert 1440 square inches to square feet.