Pool, Patio & Outdoor Tile Calculator
6 in is standard; 12 in for a bolder band.
Tiles to buy
216 tiles
- Pool perimeter
- 96 ft
- Area to tile
- 48 sq ft
- With waste
- 53.76 sq ft
- One tile covers
- 0.25 sq ft
- Waste applied
- 12%
Outdoor tile must be frost-proof porcelain with a wet DCOF of 0.42 or higher.
Waterline tile by pool size
| Pool size | Perimeter | 6" band | 12" band |
|---|---|---|---|
| 12 x 24 ft | 72 ft | 36 sq ft | 72 sq ft |
| 14 x 28 ft | 84 ft | 42 sq ft | 84 sq ft |
| 16 x 32 ft | 96 ft | 48 sq ft | 96 sq ft |
| 18 x 36 ft | 108 ft | 54 sq ft | 108 sq ft |
| 20 x 40 ft | 120 ft | 60 sq ft | 120 sq ft |
Add 12% waste for steps, corners and the skimmer cutout.
Outdoor and pool tile materials

Hominter Colorful Ceramic Mosaic Tile Small Squares, 5 Sq Ft | 12”x12” Sheet, Glossy Glaze Polished Porcelain, Kitchen Backsplash, Bathroom Wall Décor, Shower Floor and DIY Crafts
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FIVEIZERO 24 Sheets Stained Glass 4x6 Inch – Rainbow Stained Glass Sheets for DIY Crafts, Mosaic Glass Art, Fused Glass Supplies, Iridescent Mixed Colors for Home Decor & Suncatchers
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Lanyani (10 Sheets) Variety Stained Glass Sheets Pack, 4 x 6 inch Large Cathedral Glass Mosaic Tiles for Crafts, Mixed Opaque
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URBN Contemporary Emerald Green Iridescent Glass Mosaic Tile for Indoor and Outdoor - Single Sheet (13 inches x 13 inches, 1.15 SQ FT)
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Yoillione 3D Mosaic Tile Sticker Removable Wallpaper Tile Orange, 3D Self Adhesive Wall Tiles Bathroom Wall Tiles for Kitchen Backsplash Orange, PVC Square Decorative Vinyl Decals, 4 Sheets
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Uni-Green Mosaic Mesh Back with Strong Adhesive for Mosaic Tile Installation 12X12 (11pcs/Pack) for Handmade Crystal Craft for Bathroom Kitchen Home Decoration DIY Art Projects.
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Do this math on the job site — in the free app
Smart Tile Calculator for Android: offline, in your pocket, no ads. iPhone version coming soon.
Tools the pros use for this job
Frost-Proof Porcelain

Daltile Florentine 12" X 12" Glazed Porcelain Floor Tile in Carrara (13 PC Per Carton) (12.22 SQFT Per Carton)
Check price on AmazonOutdoors, only through-body porcelain with low water absorption survives a freeze.
Waterline Mosaic Sheets

Hominter Colorful Ceramic Mosaic Tile Small Squares, 5 Sq Ft | 12”x12” Sheet, Glossy Glaze Polished Porcelain, Kitchen Backsplash, Bathroom Wall Décor, Shower Floor and DIY Crafts
Check price on Amazon6x6 and 1x1 glass sheets are the standard waterline band.
Epoxy Grout

NADAMOO Epoxy Grout Bright Porcelain White, Dual Tubes Waterproof Tile Grout 19oz 400ml, Restore Tile Grout Line for Shower Bathroom Wet Room Kitchen, Caulk Gun NOT Included
Check price on AmazonPool water and chemicals eat cement grout — epoxy is the pool-rated choice.
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How this calculator works
Waterline tile: pool perimeter × band height. A 16 × 32 ft pool has a 96 ft perimeter; a standard 6" band is 0.5 ft tall, so you tile 48 sq ft. Add 12% waste for corner and step cuts.
Patios and pool decks: straight area × waste. Outdoors you want 12–15% because slopes for drainage force more cuts than a flat interior floor.
Garage tile: interlocking PVC or polypropylene tiles are usually 12x12 or 24x24 and simply snap together over the slab. Waste is low — 5–8% — because the tiles cut with a utility knife or jigsaw.
- Use only frost-proof tile with under 0.5% water absorption in freezing climates.
- Outdoor tile needs a DCOF of 0.42 or higher for wet-area slip resistance.
- Slope decks 1/4" per foot away from the pool and the house.
- Use exterior-rated thinset and epoxy or high-performance grout at the waterline.
Also useful: the patio tile calculator, the mosaic sheet calculator and the sealer calculator.
Frequently asked questions
How much waterline tile do I need for a 16x32 pool?
The perimeter is 96 linear feet. A 6 inch band is 48 sq ft; add 12% waste and order about 54 sq ft.
What size tile is used for a pool waterline?
6x6 tiles and 1x1 or 2x2 glass mosaic sheets are standard. Sheets follow curved pool walls far better than large tiles.
Can regular tile be used outdoors?
Only porcelain rated frost-proof with low water absorption. Standard ceramic absorbs water, freezes and spalls within a season or two in cold climates.
How many interlocking tiles for a 2-car garage?
A 20x20 ft garage is 400 sq ft — 400 tiles at 12x12, or 100 tiles at 24x24, plus about 5% for edge cuts and ramp edging.
Related calculators
- Mosaic Sheet CalculatorMesh-mounted mosaic sheets needed for floors, walls, and accents.
- Patio & Outdoor Tile CalculatorOutdoor-rated tile, mortar, and drainage gaps for patios.
- Tile Sealer CalculatorBottles of sealer for tile and grout by area and coats.
- Tile Cost EstimatorTotal project cost: tile, grout, mortar, trim, and labor.
Guides worth reading next
- How to Measure a Room for Tile (Step by Step)Measure any room for floor or wall tile: handle closets and alcoves, convert inches to decimals, subtract fixtures, and add the right waste percentage.
- Choosing the Right Tile Size for Your RoomHow tile size changes a room: when 12×24 beats 4×4, why small rooms can take large tile, grout line math, and the flatness rule for big formats.
- Sanded vs Unsanded vs Epoxy Grout: Which One Do You Need?Grout types explained by joint width and location: when sand scratches tile, why epoxy wins in showers, and how much of each type a bag actually covers.