Decking Volume Formula:
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Definition: This calculator estimates the volume of decking materials needed based on length, width, and thickness measurements.
Purpose: It helps UK homeowners and builders determine how much decking material is required for outdoor projects.
The calculator uses the formula:
Where:
Explanation: The three dimensions are multiplied together to calculate the total volume of material needed.
Details: Accurate volume estimation ensures proper material ordering, minimizes waste, and helps with project budgeting.
Tips: Enter the length, width, and thickness in meters. All values must be > 0. Standard decking board thickness in UK is typically 28mm (0.028m).
Q1: Should I include joists in this calculation?
A: No, this calculates only the decking board volume. Calculate joists separately.
Q2: What about gaps between boards?
A: This gives total volume including gaps. For exact board count, divide area by (board width + gap width).
Q3: How do I convert to board count?
A: Divide total area (L×W) by area of one board (including gaps), then round up.
Q4: What's a typical decking board size in UK?
A: Common sizes are 140mm×28mm or 120mm×28mm in various lengths (1.8m, 2.4m, 3.0m, etc.).
Q5: Does this include waste or overage?
A: No, consider adding 10-15% to the calculated volume for cutting waste and defects.