Decking Calculator

Board foot = thickness (in) × width (in) × length (ft) ÷ 12. Enter nominal sizes as billed, or switch to actual measured sizes.

Thickness (inches)

Width (inches)

Length (feet)

Quantity

Price per board foot ($) - optional

Waste (%)

Per piece: - board feet

Total: - board feet

With waste: - board feet

Cost with waste: $-

Cubic feet: -

Estimate only. Species prices vary by yard, region and date. Confirm the final tally and price with your lumber supplier before ordering.

Estimate decking boards for a deck.

Worked example

Deck 12 x 16 ft = 192 square feet. With 5.5 inch wide boards and a small gap, need about 420 lineal feet of decking, before waste.

Convert lineal feet to board feet with thickness and width in the board foot calculator.

Estimate only. Confirm with your supplier before ordering.