Flooring & Finish
Siding Area
Net siding squares after subtracting openings, with waste factor.
Estimator only. TradeToolz.com calculators provide estimates based on your inputs and selected settings. Results are not final answers, professional advice, code-compliance determinations, safety determinations, bids, quotes, purchase instructions, or installation instructions. Verify before use.
Formula: Squares = (max(0, Gross - Openings) × (1+Waste)) / 100