1 Your measurements

Type feet and inches the way you'd write them, like 12' 6" or 30 3/8. Decimals work too.

ft
For a 60" × 32" tub or pan, the back wall is 5 ft.
ft
ft
Measured from the tub or pan up. 7–8 ft is common.
in
in
sq ft
Leave unticked for a tub or a premade pan.
in
in
in

2 What to buy

Wall tile
45 tiles
90 sq ft incl. 10% extra
Floor tile
15.4 sq ft
490 tiles incl. 15% extra
Wall area
83 sq ft
10.3 ft of wall

Small floor tiles usually come on mesh sheets of about 1 sq ft, so 15.4 sq ft is roughly 16 sheets. Check the sheet size on the box.

Back + two side walls10.34 ft × wall height
Wall tile area (no waste)83 sq ft
Wall tiles to buy45 (90 sq ft)
Floor area13 sq ft
Grout (walls + floor)10.2 lb
Thinset (walls + floor)3 × 50 lb bags
Cement or foam backer board83 sq ft → 7 sheets of 3' × 5'
Waterproofing membrane96 sq ft (walls + floor)

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