Deck calculator
Deck Calculator
Estimate deck surface square footage for a rectangular deck area.
Results
- Deck square footage
- 192.00 sq ft
- Square footage including waste
- 211.20 sq ft
What this calculator does
This milestone version estimates deck surface area from deck length and width.
Waste allowance
Waste increases the surface square footage to account for board layout, trimming, and normal installation loss.
Scope note
This calculator does not include structural engineering, joist spans, footings, railing, labor, or pricing.