Please note that the measurements displayed on this webpage are displayed in Imperial units. If metric is required, please perform the proper conversion as necessary.

Real Cedar Siding Calculator

1. Enter the calculations for the total wall area (length x height):
Total Length:
Total Height:
2. Subtract square footage of openings for windows and doors:
Doors:
Windows:
3. Select the appropriate factor for either linear or surface measurement:
Nominal Width
(inches)
Dressed Width
(inches)
Exposed Face Width
(inches)
Linear Feet Factor Surface Measure
4 3 1/2 2 1/2 4.80 1.60
6 5 1/2 4 1/2 2.67 1.33
8 7 1/2 6 1/2 1.85 1.23
10 9 1/2 8 1/2 1.41 1.18
12 11 1/2 10 1/2 1.14 1.14
Result
10% is added to accomodate trim.
Linear Feet:
Surface Measure: