≈ 176 tiles
For a 20 sq ft backsplash using subway tiles, including 10% for cuts and breakage.
Each subway tile covers 0.12 sq ft. A 20 sq ft backsplash needs 160 tiles to cover the area — add the standard 10% waste for cuts and breakage and you’re at about 176 tiles.
| Surface area | 20 sq ft |
| Tile size | subway (0.12 sq ft each) |
| Bare coverage | 160 tiles |
| With 10% waste | 176 tiles |
Go 15% waste for diagonal or herringbone layouts, or lots of cuts around fixtures.
Change the size → open the tile calculatorGrab the supplies
Don’t forget — your supply list
Everything a job like this needs. Grab it in one trip.
Where do you shop?
As an affiliate, Clearly may earn from qualifying purchases — at no extra cost to you.