Tile Calculator
Estimate tiles, boxes and total square footage with waste factored in.
Use the Tile Calculator to estimate how many tiles and boxes you need from your project’s square footage and tile dimensions. It includes a waste allowance for cuts and patterns, helping you plan bathroom floors, shower walls, kitchen backsplashes, kitchen floors, and laundry rooms.
Tiles needed
88
Includes 10% waste
Boxes
9
Area
80 ft²
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Recommended tools & materials
Handy picks for this project on Amazon.
Tile & Flooring Spacers
Even grout lines and gaps
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Laminate Installation Kit
Tapping block, pull bar and spacers
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Notched Trowel Set
Right coverage for every tile size
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Knee Pads
Work comfortably on hard floors
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As an Amazon Associate, MaterialCalc earns from qualifying purchases.
How does the tile calculator work?
Divide the total floor area by the coverage of a single tile (tile width × height ÷ 144 for inches to ft²). Add a 10% waste factor for cuts, and divide by tiles-per-box to get boxes.
Formula: tiles = (area ÷ tile ft²) × (1 + waste%)
What do people use the tile calculator for?
Tile for a Bathroom Floor
Estimate tiles and boxes for any bathroom floor.
Tile for Shower Walls
Estimate tiles for a full shower surround.
Tile for a Kitchen Backsplash
Estimate tile and boxes for a kitchen backsplash.
Tile for a Kitchen Floor
Estimate tile and boxes for a kitchen floor.
Tile for a Laundry Room
Estimate tile and boxes for a laundry room floor.
What else do people ask about this calculator?
How much extra tile should I order?
10% for straight lay, 15% for diagonal or herringbone, 20% for complex patterns. Order attic stock to keep for repairs.
How many 12×12 tiles in a box?
Typically 10–15 per box, but always check the box label — coverage varies by manufacturer.
Which related calculators should I use next?
All calculators
Complete Your Tile Project
These practical tools help you install tile accurately, apply mortar evenly, and work more comfortably.
QEP LASH Leveling System
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MARSHALLTOWN Notched Trowel
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NoCry Gel Knee Pads
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Paid links: as an Amazon Associate, MaterialCalc earns from qualifying purchases.