Figuring Out How Much Siding You Need

Multiply the width and height to get the area of the wall in square feet.

Figuring out how much siding you need.

For example if you came up with 320 square feet of area to be covered with siding and the siding you prefer costs 4 per square foot your cost will be 320 sq ft x 4 per sq ft 1 280. With our easy to use siding and trim calculators you won t have to worry about not having enough to finish the job. Click on the links below. Multiply height by width for each area and add to get total square footage not covered with siding.

Measure the walls along the bottom of all the siding to estimate starter strip material. To find the number of squares of siding needed for an installation measure each walls width and height in feet. Starter strips are used at the bottom of a wall to provide a solid attachment for the bottom of a piece of vinyl siding and to fur out the bottom of the piece for an even look. You ll typically need this around the bottom of the wall.

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. One square of siding will cover 100 square feet and an average box of vinyl siding contains 2 squares of material.