Decking Boards Formula:
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The decking boards calculation determines how many boards you need to cover your deck area, accounting for board dimensions and including a waste factor for cuts and errors.
The calculator uses the formula:
Where:
Explanation: The calculation first determines how many boards would theoretically cover the area, then adds a waste percentage to account for cutting and installation errors.
Details: Accurate calculation helps avoid material shortages during construction, prevents unnecessary waste, and ensures proper budget planning for your decking project.
Tips: Measure your deck area accurately in square feet. Use the actual dimensions of the decking boards you plan to purchase. Include 10-15% waste factor for typical projects.
Q1: What waste percentage should I use?
A: Typically 10-15% for simple rectangular decks, 15-20% for complex shapes with many cuts.
Q2: Should I account for board spacing?
A: Yes, the calculation assumes boards are installed with typical spacing. For exact spacing requirements, adjust your measurements accordingly.
Q3: What if my deck has irregular shapes?
A: Break the deck into rectangular sections, calculate each separately, then sum the results with a higher waste percentage.
Q4: Can I use this for different measurement units?
A: Yes, but ensure all measurements use the same units (all feet or all meters).
Q5: Should I buy extra boards for future repairs?
A: It's recommended to purchase 2-3 extra boards beyond the calculated amount for future repairs and color matching.