Vinyl Siding Calculator
Many vinyl siding cartons cover near 200 square feet of wall. Verify your style’s actual ‘maximum coverage’ line on the label.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Net wall area with openings removed. Increase waste for complex architecture.
What the math is doing
Cartons = ceil((sq ft × (1+waste)) ÷ 200).
Frequently asked questions
Starter strip?
Perimeter-based takeoff.
Shake profile?
Coverage drops versus double lap.
Foam backer?
Boards or sheets are separate.
Color fade?
Buy all material from same production run if possible.