Deck Calculator
Calculate decking boards, joists, and materials for your deck project
Deck Dimensions
Materials Needed
Deck Area
0 sq ft
Decking Boards
0
12 ft boards (includes 10% waste)
Joists (2×8)
0
16 ft joists at 16" spacing
Posts (4×4)
0
support posts
Beams (2×10)
0
beam boards
Deck Screws
0 lbs
2.5" or 3" deck screws
Building Tips
- • Check local building codes
- • Use pressure-treated lumber
- • Allow 1/8" gap between boards
- • Install blocking between joists
Deck Building Steps
1
Foundation
Install concrete footings and posts, ensuring proper spacing and depth per code.
2
Frame
Attach beams to posts, install rim joists, and add interior joists at proper spacing.
3
Decking
Install deck boards perpendicular to joists, maintaining consistent spacing.
4
Finish
Add railings, stairs, trim, and finish with stain or sealant for protection.
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