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Siding Calculator

Construction
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Calculates the square footage and estimated cost for siding a house.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Average Wall Height (feet), Total Wall Length (feet), Total Window and Door Area (square feet), Siding Cost per Square Foot ($), and Waste Factor (%) in the units shown.

Step 2

Read Wall Area (square feet), Net Siding Area (square feet), Total Siding Area (square feet), and Estimated Total Cost ($) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small House

Average Wall Height (feet): 8 ft; Total Wall Length (feet): 50 ft; Total Window and Door Area (square feet): 20 sq ft; Siding Cost per Square Foot ($): 7.5 $; Waste Factor (%): 10 %

Wall Area (square feet): 400; Net Siding Area (square feet): 380; Total Siding Area (square feet): 418; Estimated Total Cost ($): 3,135

Medium House

Average Wall Height (feet): 9 ft; Total Wall Length (feet): 100 ft; Total Window and Door Area (square feet): 50 sq ft; Siding Cost per Square Foot ($): 8 $; Waste Factor (%): 10 %

Wall Area (square feet): 900; Net Siding Area (square feet): 850; Total Siding Area (square feet): 935; Estimated Total Cost ($): 7,480

Large House

Average Wall Height (feet): 10 ft; Total Wall Length (feet): 150 ft; Total Window and Door Area (square feet): 75 sq ft; Siding Cost per Square Foot ($): 9 $; Waste Factor (%): 10 %

Wall Area (square feet): 1,500; Net Siding Area (square feet): 1,425; Total Siding Area (square feet): 1,567.5; Estimated Total Cost ($): 14,107.5

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