Backsplash Calculator
Estimate backsplash tile quantity and cost
Length of backsplash wall
Standard: 18" between counter and cabinets
Common backsplash tile sizes
10% for simple, 15% intricate
Backsplash 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 backsplash calculator accounts for wall dimensions, tile size, and waste for an accurate material count.
- Measure wall length
- Determine backsplash height (standard: 18")
- Select tile size
- Enter specifications
- Account for outlet cutouts
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
Area = Wall length x (Height / 12)
Tiles = (Area / Tile area) x (1 + Waste%)
Grout ~ 1 lb per 20 sq ft
Frequently Asked Questions
How much does a kitchen backsplash cost?
Subway tile: $7-$15/sq ft installed. Glass mosaic: $20-$40/sq ft. A typical 20 sq ft backsplash costs $140-$800 installed.
How high should a kitchen backsplash be?
Standard: 18 inches (between counter and upper cabinets). Full-height backsplashes are becoming more popular.