Siding Calculator
Perimeter of the house
ft
m
Add the four wall lengths. A 40 by 40 house is 160 ft.
Wall height
ft
m
Floor to soffit. Two storeys at 9 ft is 18.
Gable ends
Triangles above the wall line. Most houses have two.
Gable width
ft
m
Width of the wall the gable sits on. Set the gable count to zero for a hipped roof.
Gable rise
ft
m
Peak height above the wall line.
Doors
Windows
Average window size
sq ft
A 3 by 4 window is 12 square feet.
Waste allowance
percent
10% on a plain house, 15% or more with many corners and cuts.
Price per square
usd
Vinyl runs roughly $200–400 a square in material.
Siding to order
17 squares
Show the work
Siding Calculator
by Rule Calculator