Tile Calculation Formula:
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The B&Q Tile Calculator helps you determine how many tiles you need for your project, accounting for the area to be covered, tile size, and waste factor for cuts and breakage.
The calculator uses the following formula:
Where:
Explanation: The calculation divides total area by tile size, then adds a percentage for waste (cuts, breakage, future repairs).
Details: Proper tile calculation ensures you purchase enough tiles for your project while minimizing excess. Buying too few can delay your project, while buying too many wastes money.
Tips:
Q1: How do I measure irregularly shaped areas?
A: Break the area into rectangles, calculate each separately, then sum the areas.
Q2: Should I buy extra tiles?
A: Yes, always buy 10-15% extra to account for cuts, breakage, and future repairs.
Q3: How do I account for tile spacing/grout lines?
A: The calculator uses tile size including spacing. Use the actual coverage size of each tile.
Q4: What if my tiles are measured in centimeters?
A: Convert to meters first (e.g. 60cm × 60cm tile = 0.6m × 0.6m = 0.36m²).
Q5: How does pattern affect tile quantity?
A: Complex patterns (diagonal, herringbone) require more waste - use 15-20% waste factor.