Tile Calculator
Calculate how many tiles, boxes, and extra waste you need for your next tile project. Estimate materials and installation costs for floors, walls, backsplashes, bathrooms, and showers with our dedicated specialty calculators.
Room & Area
Define your project type and dimensions
Tile & Pattern
Choose tile size, shape, and layout pattern
Tile Dimensions
Presets:Colors & Styling Customization
Budget & Waste
Overage buffer, pricing, and cost estimate
tilecalculators.com
Professional Tile Estimate Report
Project Specifications
Cuts Required
32 tiles (41.6%)Preview Controls
Total Tiles to Buy
60 base + 6 waste
8 tiles per box
6 extra pieces
No prices entered
Buy 66 pieces (9 boxes). For a standard layout, a standard 10% waste buffer is sufficient to cover general corner cuts and leave a few spare tiles for future repairs.
Save / Share / Export Result
Save Project (Local)
Calculate Next Steps & Materials
How to Use the Tile Calculator
Follow these simple steps to estimate your tile counts, joints, materials, and total installation costs accurately.
1. Select Project Type
Choose Floor, Wall, Backsplash, Bathroom, or Shower. The calculator optimizes parameters like default waste margins and adhesive needs based on location.
2. Input Dimensions
Enter target length and width or total area. Subtract cut-outs like windows, doors, drains, and fixtures to reduce overall material waste.
3. Tile Size & Grout
Provide individual tile size and your desired grout joint spacing (1/16" to 1/2"). Joint size changes both total tile count and final grout volume.
4. Select Layout & Waste
Choose Herringbone, Diagonal, Offset, or Straight pattern. The tool will suggest the right waste margin (10%-20%) for corner and edge cuts.
5. Get Materials & Costs
Review your list instantly: total tiles, box counts, thinset bags, grout pounds, and total estimated budget. Save or print your detailed estimation report.
Estimate Tiles, Boxes, Waste and Cost
Use the tile calculator to estimate your total project area, base tile quantity, extra waste tiles, total tiles to buy, boxes needed, and estimated cost. You can calculate by length and width, total square footage, tile dimensions, grout spacing, pattern type, and tiles per box.
This tool is useful for planning floor tile, wall tile, backsplash tile, bathroom tile, shower tile, subway tile, herringbone tile, diagonal layouts, and large format tile projects.
Choose a Tile Calculator by Project Type
Every tile project is different. Use the main tile calculator for a quick estimate, or open a project-specific calculator for floors, walls, bathrooms, showers, and backsplashes.
Floor Tile Calculator
Estimate floor tile quantity, square footage, waste, boxes, and cost for kitchens, hallways, bedrooms, living rooms, and open floor areas.
Wall Tile Calculator
Calculate wall tile by width, height, openings, trim edges, grout spacing, and tile size.
Backsplash Calculator
Estimate kitchen backsplash tile, bathroom backsplash tile, outlets, windows, trim, waste, and box quantity.
Bathroom & Shower Calculator
Estimate floor tile, wall tile, shower pans, curbs, niches, caulk, grout, mortar, waterproofing, and waste.
Stair Tile Calculator
Estimate tile stair treads, riser height, step width, stair nose trim, waste safety buffer, thinset, and grout.
Tile Cost Calculator
Estimate tile material cost, labor cost, grout, thinset, trim, waste, and total project budget.
Plan Tile Patterns and Layouts
Tile pattern affects the number of tiles, waste percentage, cuts, and final design. Use pattern tools to compare straight lay, brick pattern, subway tile, diagonal tile, herringbone, chevron, mosaic, and hexagon layouts before ordering materials.
Tile Layout Planner
Plan tile placement, start point, cut direction, obstacles, trim edges, and layout balance.
Tile Pattern Generator
Generate and compare layout patterns, offsets, grids, and joint sizes.
Herringbone Tile Calculator
Calculate herringbone tile quantity, extra waste, cuts, and boxes needed.
Subway Tile Calculator
Estimate subway tile for backsplashes, bathrooms, showers, and wall layouts.
Diagonal Tile Calculator
Calculate extra tile for diagonal layouts, angled cuts, and room edges.
Hexagon Tile Calculator
Estimate hexagon tile quantity, coverage, waste, and box count.
Preview Your Tile Design
Visual tools help you see tile patterns, grout colors, room layouts, and backsplash designs before installation. Use visualizers to compare tile direction, pattern style, color contrast, and room appearance.
Our interactive visualizer allows you to preview different patterns, room types, and grout options dynamically. Test your design ideas in real-time before committing to materials.
- ✓Interactive Room Preview (Kitchen, Bath & Floors)
- ✓Tile Pattern Generator & Layout Offsets
- ✓Grout Color Contrast & Width Simulator
Tile Visualizer & Room Planner
Access the complete visual suite. Compare pattern layouts, room templates, tile orientation, and grout contrast side-by-side in one place.
Calculate Tile Materials
After you know how many tiles you need, estimate the extra materials required for installation. Calculate grout, thinset, mortar, adhesive, trim, spacers, caulk, and leveling clips for a more complete tile project estimate.
Grout Calculator
Estimate how much grout you need by tile size, grout joint width, tile thickness, and project area.
Thinset & Adhesive Calculator
Estimate thinset mortar bags and mastic adhesive coverage based on tile size, trowel notch size, and substrate area.
Tile Size Calculators
Different tile sizes need different quantity estimates. Pick your tile size for a precise count with waste, box count, and grout.
Specialty Tile Calculators
Dedicated calculators for mosaic, penny round, pool tile, stair tile, chevron, basketweave, brick pattern, and more specialty tile formats.
Tile Calculator Learning Center
Guides, tutorials, and planning resources to help you estimate accurately and install tile like a pro.
Calculate Tile Waste and Boxes
Tile waste helps cover cuts, breakage, pattern matching, uneven walls, irregular rooms, and future repairs. Always add extra tile before buying so your project does not stop halfway through installation.
Tile Waste & Box Calculator
Calculate recommended overage percentage buffers, carton packaging rounding, angled cut waste, breakage allowances, and leftovers in one estimator.
Suggested Tile Waste
| Tile Layout | Suggested Extra Tile |
|---|---|
| Straight or grid layout | 10% |
| Brick or running bond | 10–12% |
| Diagonal layout | 15% |
| Herringbone or chevron | 15–20% |
| Irregular room | Add 3–5% |
| First-time DIY project | Add 3–5% |
How Does the Tile Calculator Work?
The tile calculator first finds your total project area. Then it calculates how much area one tile covers. After that, it divides the project area by the tile coverage, adds waste percentage, and rounds the final quantity up to full boxes.
This gives you a practical tile estimate before buying materials for a floor, wall, backsplash, bathroom, shower, or other tile project.
After estimating tiles, also plan your installation materials: use the grout calculator for grout quantity, the thinset calculator for mortar bags, and the installation cost calculator for a full project budget.
Formula:
- Project area = length × width
- Tile coverage = tile length × tile width
- Base tiles = project area ÷ tile coverage
- Total tiles to buy = base tiles + waste percentage
- Boxes needed = total tiles ÷ tiles per box
What Can You Calculate?
With tilecalculators.com, you can estimate tiles, boxes, square footage, waste, grout, thinset, adhesive, trim, spacers, labor, and project cost.
Example Tile Calculation
If your floor is 10 feet long and 12 feet wide, the total area is 120 square feet. If each tile covers 1 square foot, you need 120 base tiles. With 10% waste, you should buy about 132 tiles.
If each box contains 12 tiles, you need 11 boxes.
This example is simple, but real tile projects may need more waste for diagonal layouts, herringbone patterns, uneven walls, obstacles, cuts, and first-time DIY installation.
Common Tile Calculation Mistakes
Not Adding Waste
Tile projects need extra pieces for cuts, breakage, pattern matching, damaged tiles, and future repairs.
Forgetting to Round Up Boxes
Tiles are usually sold by full box, so always round up to the next full box.
Measuring Only Once
Measure the project area twice before ordering tile. Small measuring mistakes can change the number of tiles and boxes needed.
Ignoring Pattern Waste
Diagonal, herringbone, chevron, and complex layouts usually need more extra tile than straight layouts.
Not Subtracting Openings
For walls, showers, and backsplashes, subtract large windows, doors, cabinets, and openings when needed.
Choosing the Wrong Tile Size
Tile size affects coverage, grout spacing, cuts, waste, and the final look of the room.
Tile Calculator FAQs
Quick answers to common questions about calculating tiles, boxes, waste, and costs.
How do I calculate how many tiles I need?▼
Measure the total project area, divide it by the coverage of one tile, add waste, then round up to full boxes.
How much extra tile should I buy?▼
Most straight tile layouts need about 10% extra tile. Diagonal, herringbone, chevron, or irregular layouts often need 15–20%.
Does tile size affect how many tiles I need?▼
Yes. Larger tiles cover more area, so you need fewer pieces. Smaller tiles need more pieces for the same area.
Should I calculate tile by pieces or boxes?▼
Calculate both. Tile count shows how many pieces you need, but box count tells you how much to buy.
Can I use this tile calculator for floors and walls?▼
Yes. You can use the main tile calculator for quick floor and wall estimates, then use the floor or wall calculator for more detailed planning.
Does grout spacing affect tile quantity?▼
Yes. Grout spacing slightly changes tile coverage. A larger grout gap can reduce the number of tiles needed slightly, but the effect depends on tile size and layout.
Can this calculator estimate tile cost?▼
Yes. Add price per tile or price per box to estimate material cost. For a full budget, use the tile cost calculator.
Why do I need a tile waste percentage?▼
Waste covers cuts, breakage, pattern matching, damaged tiles, and future repairs. Without waste, you may run short during installation.