Tile & Flooring Calculator — Free Online Calculator & Formula Guide
Calculate how many tiles you need for any floor or wall. Includes waste percentage for cuts, multiple tile sizes, and optional material cost estimate.
✓ Formula verified: May 2026
Tile Calculator
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Total Sq Ft (with 10% waste)
132.0 sq ft
Individual Tiles Needed
528 tiles
Approx. Boxes (20 sq ft/box)
7 boxes
Room Area
120.0 sq ft
Estimated Tile Cost
$462.00
What if your room length changes? 10.8 ft → 118.8 sq ft · 12 ft → 132.0 sq ft · 13.2 ft → 145.2 sq ft
Scenario Comparison
Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
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Tile Estimate
Total Sq Ft Needed
132.0 sq ft
Room Area
120 sq ft
Total with Waste
132 sq ft
Tiles
528 tiles
Boxes
7 boxes
Estimated Cost$462.00
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