Decking Calculator

Estimate deck boards and joists from the deck size, board dimensions, and joist spacing.

Deck

Deck Length (ft)

Deck Width (ft)

Board Width (in)

incl. gap, e.g. 5.5

Board Length (ft)

Joist Spacing (in)

Waste (%)

Materials

Deck Boards29

Deck Area192 ft²

Joists13

Board Lineal Feet464 ft

Boards by coverage; joists for the deck length at spacing. Add beams, posts, and blocking separately.

Run your whole job on the same numbers

These NORDIX tools are a taste of the full platform — bid pipeline, estimating, and job costing that carry your numbers from the first bid to the final invoice.

See what NORDIX does →