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.
Deck Cost Calculator
Estimate total deck cost by size, material, and features.
Open calculator →
Cost Per Square Foot Calculator
Compare installed cost per square foot across materials.
Open calculator →
Deck Labor Cost Calculator
Estimate labor cost separately from materials.
Open calculator →
Deck Permit Cost Calculator
Estimate building permit fees for your deck project.
Open calculator →Framing & Structure
Joists, beams, posts, footings, and load-bearing structure.
Deck Joist Calculator
Calculate the number of joists required by spacing.
Open calculator →
Deck Beam Span Calculator
Determine maximum beam span by lumber size and joist length.
Open calculator →
Deck Footing & Concrete Calculator
Calculate concrete needed for deck footings.
Open calculator →
Deck Post Calculator
Determine post count, size, and load.
Open calculator →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.
