Deck lumber takeoff calculator

Calculate joist count, board feet of decking, and total lumber cost for a residential deck build.

Deck length (ft)

Deck width (ft)

Joist spacing (inches OC)

16 in OC is standard for most decking. 12 in OC for composite or premium.Decking board width (inches)

5/4 × 6 nominal = 5.5 in actual. Composite boards are usually 5.5-6 in.Decking $ per linear foot

Pressure-treated 5/4 × 6: $1.50-3/ft. Cedar: $4-6/ft. Composite: $4-9/ft. Ipe: $9-15/ft.Joist $ per linear foot

PT 2×10 lumber: $2.50-4/ft. Engineered LVL: $5-8/ft.Joist hangers + fasteners

Waste factor %

Total lumber + hardware cost

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