Deck Material Calculator
Estimate the decking boards and joists for your deck. Enter the deck dimensions, board width and joist spacing.
240.00 sq ft — Deck area
501.00 linear ft — Decking boards
16.00 joists — Joists
Frequently asked questions
How many deck boards do I need?
Divide the deck area by the effective board coverage (board width plus gap), which gives the linear feet of decking. This calculator does it automatically.