All Deck Calculators

18 free, accurate deck calculators — from total cost down to baluster spacing. Every tool is updated with current 2026 pricing.

Cost & Estimation

Total project cost, material totals, and labor estimates.

Framing & Structure

Joists, beams, posts, footings, and load-bearing structure.

Decking Boards

Board count, linear footage, and material waste.

Stairs & Railings

Stair stringers, treads, balusters, and railing materials.

Finishing & Maintenance

Stain, sealer, fasteners, and ongoing maintenance.

Advanced Tools

Comparison tools and specialty calculations.

Most popular gear for deck projects

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