How Many Deck Boards for a 8x8 Deck?
Planning a 8x8 ft deck with 5/4×6 boards? Order about 158 ft (linear feet of 5/4×6 decking (+10%)). Also: board rows: 18 rows; 12 ft boards (before waste): 18 boards; 16 ft boards (before waste): 18 boards.
Deck Board Calculator
Change any value to recalculate instantly.
| Board rows | 18 rows |
|---|---|
| 12 ft boards (before waste) | 18 boards |
| 16 ft boards (before waste) | 18 boards |
| Joists at 16 in on center | 7 joists |
How this number is calculated
A 5/4×6 board is about 5.5 in wide plus a 1/8 in gap = 5.625 in per row. 8 ft × 12 ÷ 5.625 = 18 rows of 8 ft = 144 linear feet; +10% = 158 ft.
Nearby sizes
| Size | Linear feet of 5/4×6 decking (+10%) |
|---|---|
| a 8x10 ft deck with 5/4×6 boards | 194 ft |
| a 10x10 ft deck with 5/4×6 boards | 242 ft |
| a 10x12 ft deck with 5/4×6 boards | 286 ft |
| a 10x14 ft deck with 5/4×6 boards | 330 ft |
Tips
- Joists at 16 inches on center suit most composite and wood decking, but follow the manufacturer's spacing.
- Standard 5/4×6 deck boards are actually about 5.5 inches wide.
- Plan board lengths to land on joists and minimize waste; 12 or 16 ft boards are common.
Frequently asked questions
How much deck boards do I need for a 8x8 ft deck with 5/4×6 boards?
Planning a 8x8 ft deck with 5/4×6 boards? Order about 158 ft (linear feet of 5/4×6 decking (+10%)). Also: board rows: 18 rows; 12 ft boards (before waste): 18 boards; 16 ft boards (before waste): 18 boards.
How is the quantity for a 8x8 ft deck with 5/4×6 boards calculated?
A 5/4×6 board is about 5.5 in wide plus a 1/8 in gap = 5.625 in per row. 8 ft × 12 ÷ 5.625 = 18 rows of 8 ft = 144 linear feet; +10% = 158 ft.
How much does deck boards for a 8x8 ft deck with 5/4×6 boards cost?
Using rough planning prices (per linear foot of decking board, depending on material), the material for a 8x8 ft deck with 5/4×6 boards comes to about $238 to $950. Prices vary by region and supplier, so get a local quote.