Deck Board Calculator
Deck length (boards run this way)
feet
inches
meters
cm
Deck width
feet
inches
meters
cm
Board width
inches
cm
mm
A 5/4x6 or 2x6 board is 5.5 in wide.
Gap between boards
inches
cm
mm
1/4 in for dried lumber; composite per the maker.
Board length you will buy
16 ft
8 ft
10 ft
12 ft
20 ft
Joist spacing
16 in on centre (standard)
12 in — diagonal or some composite
24 in — check your decking rating
Waste allowance (%)
Calculate
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