Subway Tile Calculator

Calculate subway tiles needed for backsplashes and walls. Enter area and tile size to get exact piece count, box quantity, and cost estimate.

sq ft
%
$
Tile Size
3" × 6" (Classic)
0.125 sq ft/tile
Tiles per Sq Ft
8
3" × 6"
Waste Factor
5.0%
Running Bond pattern
Coverage with Waste
31.5 sq ft
From base 30 sq ft
Tiles Needed
252
8/sf × 31.5 sf
Boxes
4
80 tiles/box
Tile Cost
$94.50
@ $3/sq ft
Grout Needed
1 lb
Approximate
Grout Cost
$1.00
@ $0.15/lb
Total Project Cost
$95.50
Tiles + grout
Cost per Sq Ft
$3.18
Installed material
Est. Labor (30%)
$28.35
Typical markup

Installation Details

ItemValueNotes
Tile Dimensions3" × 6"3" × 6" (Classic)
Layout PatternRunning Bond5% waste
Grout Joint1/80.125" spacing
Thinset TypePolymerFor wall tile
Grout ColorCustom MixChoose to match

Tile Quantity Breakdown

Base 30 sf
Waste 5%
Total tiles: 252 (4 boxes @ 80 tiles/box)

Cost Breakdown

Tiles 99%
Grout 1%
Planning notes, formulas, and examples

About the Subway Tile Calculator

Subway tiles are rectangular tiles traditionally sized 3”×6”, inspired by the tiles used in New York City subway stations in the early 1900s. Today, subway tiles are among the most popular choices for kitchen backsplashes, bathroom walls, and shower surrounds thanks to their timeless, clean look.

This subway tile calculator determines how many individual tiles you need based on the wall area and tile dimensions. Modern subway tiles come in many sizes beyond the classic 3”×6”, including 2”×4”, 4”×8”, 4”×12”, and 4”×16”. The staggered brick-pattern layout adds cutting waste at the edges, which this calculator accounts for.

Because subway tiles are small, you'll need many pieces per square foot. The calculator converts the total count to the number of boxes to purchase, making your shopping list straightforward.

When This Page Helps

Subway tiles are small, so even a modest 30 sq ft backsplash can require 240+ tiles. Counting individual tiles is error-prone. This calculator handles the math quickly and adds waste for the staggered layout cuts.

How to Use the Inputs

  1. Measure the wall area to be tiled in square feet.
  2. Enter the subway tile width (short side) and length (long side) in inches.
  3. Set the waste factor (10% for brick pattern, 15% for herringbone).
  4. Enter tiles per box from the product label.
  5. Review the tile count and boxes needed.
Formula used
Tile Area = (Width × Length) / 144 Tiles = ⌈(Area × (1 + Waste%/100)) / Tile Area⌉ Boxes = ⌈Tiles / Tiles per Box⌉

Example Calculation

Result: 264 tiles (4 boxes)

Each 3”×6” tile covers 0.125 sq ft. With 10% waste: 30 × 1.10 = 33 sq ft. Tiles = ⌈33 / 0.125⌉ = 264 tiles. At 80 tiles per box: ⌈264 / 80⌉ = 4 boxes.

Tips & Best Practices

  • Classic subway is 3”×6” in glossy white — timeless and affordable.
  • Brick-pattern offset is typically 50% (half-bond) or 33% (one-third).
  • Beveled subway tiles add depth and shadow lines for a more upscale look.
  • Use contrasting grout (gray or black grout with white tile) to highlight the pattern.
  • Handmade subway tiles have a slightly irregular surface that adds character.
  • Herringbone subway tile layouts use 15–20% more material than brick pattern.

The Timeless Subway Tile Appeal

Subway tiles have been a design staple for over 100 years. Their simple rectangular shape and clean lines complement virtually any decor style, from traditional to contemporary. White subway tile remains the #1 choice for kitchen backsplashes in the United States.

Size Variations

Traditional: 3”×6”. Modern: 4”×8” or 4”×12”. Small format: 2”×4” or 2”×6” for detailed designs. Large: 4”×16” for a contemporary elongated look. The 2:1 length-to-width ratio is the defining characteristic.

Layout Patterns

Running bond (brick offset) is the classic. Stack bond creates a modern grid. Herringbone (V-pattern) is dramatic. Vertical stack bond makes ceilings look taller. Cross hatch alternates horizontal and vertical rows.

Material Options

Ceramic is the most affordable and available. Glass subway tiles catch and reflect light beautifully. Natural stone (marble) subway tiles add luxury. Metal (stainless or copper) subway tiles create industrial accents. Porcelain subway tiles are denser and more water-resistant.

Sources & Methodology

Last updated:

Frequently Asked Questions

  • Each 3”×6” tile covers 0.125 sq ft (18 sq in). You need 8 tiles per square foot, not counting grout lines. With 1/16” grout joints, it's closer to 7.8 tiles per sq ft.