How to Calculate the Cost of Siding


Siding is an excellent option for the exterior of your home. Most siding is attractive, easy to clean and relatively long-lasting. If you are building a home or remodeling, one of the first things you will want to consider in terms of adding siding is the cost. Calculating the cost of siding is a combination of correctly measuring your home and applying the cost of the siding that you want to use to those measurements.

Things You'll Need

  • Paper Pencil Calculator Tape measure
  • Sketch the areas of your home that will receive siding. Your sketch doesn't have to be perfect. Basically, you need to break up the areas that will be covered into rectangles (or squares) and triangles.

  • Measure the dimensions of the areas that will be covered and write these measurements onto your sketch. For rectangles, measure length and width. For triangles, measure the length of the base and the height from the base to the top angle. For squares, you only need to measure one side.

  • Calculate the area of each shape on your sketch. Multiply length times width for rectangles. Multiply the length of one side of a square times itself. Multiply the base times the height of a triangle and divide by two.

  • Add the areas of all of the shapes to find the total square footage.

  • Multiply the square footage times the price of the siding per square foot. For instance, if you have 1,500 square feet that need to be covered with siding, and the cost is $5.00 per square foot, multiply 5 times 1,500 to get a price of $7,500.

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