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Tile & Grout Calculator
Plan your tiling project
Calculate tiles, boxes, and grout with waste factor included. Accurate estimator for ceramic, porcelain, and stone.
Estimate Your Tile Cost in Minutes
Accurate tile calculator for floors and walls. Calculates tiles needed, boxes to buy, and waste factor.
Common calculations
- Bathroom floor
- Kitchen backsplash
- Shower wall
You will get
- Total boxes needed
- Grout estimation
- Total material cost
Quick Result
Est. Material Cost
$750.00
10 Boxes needed
Based on
- • Dimensions: 10x12 ft
- • Tile Size: 12" x 24"
- • Waste: 15%
Dimensions & Tile
10% for straight lay, 15% for brick/diagonal, 20% for herringbone.
Purchase Specs
Purchase Quantity
Contains approx 75 tiles.
Est. Material Cost
$750.00
Total Tiles
69
Includes cuts & waste
Gross Area
138 sq ft
With 15% waste
Grout Est.
8.5 lbs
Approximate dry weight
Installation Checklist
Disclaimer: This tool is for informational and planning purposes only and does not constitute professional financial, construction, or safety advice. Actual costs, ROI, and material requirements may vary significantly based on location, market conditions, and site specifics. Construction projects involve inherent safety risks; always follow local building codes, use appropriate safety gear, and consult with licensed professionals (engineers, electricians, contractors) for complex or structural work. The creators of this tool are not liable for project outcomes, injuries, or financial losses.
Methodology and Trust
Formulas
Net Area
Width * Length
Gross Area
Net Area * (1 + Waste%)
Boxes Needed
Ceiling(Gross Area / Coverage per Box)
Total Cost
Boxes Needed * Coverage per Box * Price
Recommended Next Steps
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The Art of Tiling: 2026 Guidelines
Key Insights & Concepts
Tiling is one of the most durable and hygienic surface options available, but it is unforgiving. A carpet can be restretched; a wood floor can be sanded. A bad tile job has to be jackhammered out.
In 2026, the trend is overwhelmingly towards Large Format Tiles (LFT). We are moving away from 12x12" squares to 24x48" slabs and 12x24" planks. While beautiful, these require flatter subfloors and more precise installation techniques.
The Waste Factor Rule
Why did we set the default waste to 15%? Because cuts happen.
- 10% Waste: Simple grid pattern in a square room.
- 15% Waste: Running bond (brick) pattern or rooms with obstacles (toilets, vents).
- 20-25% Waste: Herringbone patterns or diagonal lays. The number of cut tiles at the perimeter is massive.
Grout: The Unsung Hero
Grout isn't just filler; it's structure.
Cementitious Grout
The standard powder you mix with water. Cheap, easy to use, but porous. It stains easily if not sealed annually.
Epoxy & Urethane Grout
Premixed, flexible, and stain-proof. Harder to install (sets fast!), but never needs sealing. Highly recommended for showers in 2026.
Layout Strategy: Center First
Never start tiling from a wall. Walls are never square. If you start a full tile at the left wall, you might end up with a 1/2" sliver at the right wall, which looks terrible.
The Correct Method: Snap a chalk line in the center of the room. Measure to the walls. Shift the center line so you have at least a half-tile cut on both sides. Symmetry is what distinguishes professional work from DIY.