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Shower Wall and Floor Tile Calculator

Measure shower walls, pan, curb, and niche areas to estimate total tile, waste-adjusted order area, and membrane coverage.

Inputs

Shower walls

Range: 0.1–30 ft

Long back wall of the shower opening.

Range: 0–30 ft

Side wall. Enter 0 if the shower is open on that side.

Range: 0–30 ft

Second side wall. Enter 0 if the shower is open on that side.

Range: 0.1–30 ft

Floor to ceiling, or floor to the top of a shower surround tile line.

Pan, curb and niche

Range: 0–30 ft

Range: 0–30 ft

Range: 0–30 ft

Total length of the shower curb, measured around the pan.

Range: 0–12 finished face

Measure from the top of the pan to the top of the curb. Enter 0 if the curb face will not be tiled.

Range: 0–12 in

Tiled width across the top of the curb. Enter a value to include the curb top (and its membrane) in the area; enter 0 to skip.

Range: 0–200 ft2

Combined tiled surface inside niches, shelves and benches (all four sides plus the bottom).

Waterproofing and waste

Range: 0–24 in

Height the waterproofing membrane turns up the shower walls. Enter 0 to skip the membrane area estimate.

Range: 0–30

Result

Shower wall area
77.0
Shower pan area
15.0
Total tiled area
94.0
Order area (total + waste)
103.4
Calculation details
Curb face area
0.0
Curb top area
0.0
Membrane area estimate (pan + wall upturn)
15.0
Total shower wall run
11.0
Extra area from waste allowance
9.4
OK

How this was calculated

Total tiled area
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Planning estimate only. Verify the entered measurements, product data sheet, site conditions, and applicable local requirements before ordering or installing. This calculator does not establish product suitability or code compliance.