About Siding Calculator
Calculate the squares and planks of vinyl, wood, or fiber cement siding for home exteriors.. Designed for accurate, instantaneous calculations with zero wait time.
Formula
Siding Squares = Net Wall Area (sq ft) / 100 sq ft + 10% Waste
Example Calculation
A home with 1,500 sq ft of exterior wall area requires ~17 squares of siding.
How to Use
- Enter your values into the form fields above.
- The calculation updates immediately in real time.
- Inspect the main summary and secondary breakdowns below.