Outdoor Living
Deck Board Calculator
Decking board calculator for DIY builds. Enter deck size, board dimensions, gap, and joist spacing to get a full materials list — imperial or metric.
Unit system
Your estimate
- Deck area
- 192 sq ft
- Deck boards needed
- 52 boards
- Add for waste (10%)
- +6 boards
- Joists (estimate)
- 13 joists
- Total linear length
- 624 ft
Guides that use this calculator
Step-by-step how-tos with tips from real projects.
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