Shiplap board and row calculator
Your wall in three answers
Corner to corner, along the floor.
Floor to ceiling, at the tallest point.
How long the boards are at the store. Longer boards mean fewer joints.
No calculate button — the numbers follow your typing. The address bar always holds this exact setup: copy it to ask someone “does this look right?”
Wall preview
Final row needs cutting, leftover width: 4.63 in
12 ft × 8 ft = 96 sq ft total.
What you need
10% waste includedBoard rows
18rows
5.38 in face each
Total linear
216 ft
96 sq ft covered
Boards to buy
30boards
about 10 packs of 3 · exact fit
30 boards needed with cutting waste. Each board covers 5.38 in once the reveal is taken off.
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18 rows, 216 ft of board, 30 boards to buy.
Your shopping list
30 boards (about 10 packs) · 96 sq ft · 10% waste built in
- 1
Buy 30 8ft 1x6 shiplap boards (about 10 packs of 3)
- 2
Buy 1 box of 1.5-inch 18-gauge brad nails
- 3
Buy 2 tubes of Liquid Nails construction adhesive
30 boards needed with waste, and 10 packs of 3 covers it exactly. Always round up — a second trip costs more than a spare board.
What will it cost?
Pop in the shelf price. 30 boards (about 10 packs of 3) at the store.
- Shiplap boards30 × $12.98 each
$389.40
- Brad nails1 box × $9.98
$9.98
- Construction adhesive2 tubes × $6.48
$12.96
Project total
Fixings: $22.94 · $4.30 per sq ft
$412.34
Excludes paint, caulk, primer and tools. Prices are estimates you can edit above.