Bathroom Tile Calculator
Estimate tile for bathroom floors, walls, and shower
Bathroom floor length
Bathroom floor width
Total sq ft of shower walls
Select tile dimensions
Floor Area
—
sq ft
Total Tile Area
—
sq ft
Tiles Needed
—
tiles
Grout Needed
—
lbs
Estimated Cost
—
USD
Disclaimer: Results are estimates based on standard formulas. Not a substitute for professional advice from a licensed contractor, engineer, or architect. Verify all calculations before making purchasing or construction decisions.
How to Use This Calculator
Our calculator adds floor, wall, and shower areas together and accounts for higher waste in wet areas.
- Measure bathroom floor dimensions
- Estimate shower wall area
- Select tile size
- Enter specifications
- Use 15% waste for bathrooms
Expert Insights
Smart analysis for your Kitchen & Bath project
Countertop Material Guide
Granite: $40-100/sqft, needs yearly sealing. Quartz: $50-120/sqft, zero maintenance. AI compares 10-year cost including maintenance.
Waterproofing Requirements
Tile and grout are NOT waterproof. AI flags the need for waterproof membrane behind shower walls — the #1 source of shower failures.
Standard Dimension Guide
Counter height: 36". Overhang: 1-1.5". Backsplash: 18-20". AI validates your measurements against standard dimensions.
Calculation Formula
Floor area = Length x Width
Total area = Floor + Shower walls
Tiles = (Total / Tile area) x 1.15 (15% waste)
Frequently Asked Questions
How much tile for a bathroom?
A typical 5x8 bathroom needs 40 sq ft floor + 50-60 sq ft shower = 90-100 sq ft total. With 15% waste, order about 115 sq ft.
What tile is best for bathroom floors?
Porcelain tile is best - water-resistant, durable, available in many styles. Avoid polished ceramic (slippery when wet).