Free Calculator

Siding Calculator

Calculate vinyl, fiber cement, and wood siding materials. Enter wall dimensions and get accurate estimates.

Enter Wall Dimensions
ft
ft
Estimated Materials & Cost
Total Wall Area
-
sq ft
Siding Squares
-
1 square = 100 sq ft
Material Cost
-
materials only
Estimated Total
-
incl. labor & extras
Materials Breakdown
Siding Panels/Squares -
Starter Strip -
J-Channel -
Corner Posts -
Nails (box) -
Pro Tips
1. Add 10% extra for waste and cuts around windows and doors.
2. Measure each wall separately - they may have different heights.
3. Subtract window and door area from total wall area for accuracy.
4. Fiber cement siding requires special fasteners.