Deck Board Calculator
Enter deck length and width, board width (for example 5.5 in for a 6 in nominal), board length, and gap. Waste defaults to 10%. Board count uses effective width and rounds up.
Math runs in your browser. Nothing is uploaded.
Boards needed
—
Boards with waste
—
Area
—
Boards use effective width (board + gap) and round up. Waste rounds up again.
Stair Calculator · Board Foot Calculator · Lumber Calculator · Roofing Calculator · Fence Calculator · Decking Calculator
More in this group
How it works
- Is any data uploaded?
- No. These calculators and QR codes run in your browser.
- Are files uploaded?
- No. Conversion and math run in your browser.