Home Improvement

Backsplash Tile Calculator

Estimate backsplash tile pieces and boxes from surface and tile dimensions.

FreeResult emailed + shownReviewed September 9, 2026
Home Improvement
Step 1

Enter your numbers

Method

How this backsplash tile calculator works

Backsplash area is divided by the tile module including grout gap, then increased for waste and converted to boxes.

How to use it

  1. Backsplash length. Enter the value in ft.
  2. Backsplash height. Enter the value in ft.
  3. Tile length. Enter the value in in.
  4. Tile width. Enter the value in in.
  5. Grout gap. Enter the value in in.
  6. Waste allowance. Enter the value in %.
  7. Request the result. Add your email, then select “Email & show my result.”

What to do with the number

Outlets, corners, trim pieces and pattern layout can raise waste above a simple area estimate. Increase the allowance for diagonal, herringbone or highly patterned layouts.

Planning estimate

Use this result as a starting point, not a guarantee. Product specifications, site conditions, manufacturer guidance, local codes, taxes, labor, tolerances, and rounding can change the real requirement or cost.

FAQ

Questions about this calculator

What does the Backsplash Tile Calculator calculate?

Estimate backsplash tile pieces and boxes from surface and tile dimensions.

What inputs does this backsplash tile calculator use?

The calculator uses backsplash length, backsplash height, tile length, tile width, grout gap, waste allowance, tiles per box. You can replace every default with the numbers that match your situation.

How should I use the Backsplash Tile Calculator result?

Outlets, corners, trim pieces and pattern layout can raise waste above a simple area estimate.

What can make the real-world result different?

Increase the allowance for diagonal, herringbone or highly patterned layouts.

Can I change the calculator assumptions?

Yes. The editable inputs are the assumptions. Replace the default values with your own measurements, prices, rates, quantities, or specifications before requesting the result.