Plan your deck.
Enter your dimensions once. Get a complete material list for decking, frame, concrete footings, stairs, railing, and fasteners — then compare it against your contractor's quote.
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Step 1 of 4
Deck size and height
Start with the basic footprint. These dimensions drive everything else — boards, joists, beams, posts, and concrete footings.
Ground-level decks (under 1 ft) need fewer posts. Second-story decks (8+ ft) need longer posts and more bracing.
What this planner calculates
- 1Decking boards with 10% waste factor
- 2Joists, beams, and posts for the frame
- 3Concrete bags for every post footing
- 4Stairs sized to your deck height (IRC-compliant rise/run)
- 5Fasteners, joist hangers, and ledger hardware
- 6Railing by linear foot