Deck Planning Calculators
Six focused tools that cover the core of a deck material list. Each one shows its formula, a worked example, and honest limits. Start anywhere, then reuse your saved deck project.
Deck Board CalculatorBoards, rows, and linear feet from deck size, board width, gap, and waste.Open Deck Joist CalculatorJoist count and linear length from spacing and span (quantity only).Open Deck Fastener CalculatorScrews or hidden clips from board rows and joist count, with boxes.Open Deck Railing CalculatorPosts, balusters, and rail length across multiple straight runs.Open Deck Stair CalculatorRisers, treads, stringers, and IRC R311.7 riser/tread/width checks.Open Footing Concrete CalculatorConcrete volume and bag count for circular or square footings.Open