Tile Installation Cost Calculator

Setters cut roughly twice as many pieces for herringbone as for a straight grid, and the layout has to be snapped off a true center line or the pattern drifts. The calculator adds a 30% labor premium and 20% cutting waste for herringbone versus 10% waste for a straight layout — on a 150 sq ft ceramic floor that is roughly $500–$600 more than the same tile laid straight.

Order 10% over your measured area for straight or brick layouts, 15% for diagonal, and 20% for herringbone or other cut-heavy patterns — the estimator already builds that waste into the tile line. Keep at least one unopened box after the job: dye lots change and a cracked tile years from now will be impossible to match.

Over a wood subfloor, yes — either 1/4" or 1/2" cement board screwed and seam-taped, or an uncoupling membrane such as DITRA. Thinsetting tile straight to plywood is the classic cracked-grout failure. Over a sound structural slab you can often bond directly, which is why the substrate selector includes a 'none' option. Wet areas then add a waterproofing membrane on top.

Modestly at first, sharply if the slab isn't flat. Anything over 24" telegraphs every dip in the substrate (the industry standard allows about 1/4" of variation in 10 feet), and installers use leveling clips and medium-bed thinset. This calculator adds 20% to labor for over-24" tile plus about $0.60 per sq ft of extra setting supplies.

Showers run roughly 35–50% more per square foot in labor because of the pan slope, niche cuts and waterproofing, and they require a membrane a dry floor doesn't. Nationally a full shower re-tile lands around $1,800–$5,000 (Angi averages $2,700), versus $300–$1,300 for a typical bathroom floor. The location selector applies these premiums automatically.

A 150 sq ft floor is usually a one-to-two-day job once materials are on site, plus a day if demo and disposal are included. Cure windows, not tile-setting, stretch the calendar: thinset normally needs about 24 hours before grouting, and cement grout roughly 72 hours before it is sealed or a shower sees water. Epoxy grout sets in short working windows, so pros may split a large floor's grouting across two visits.

Usually not — like-for-like floor and wall tile is cosmetic in most jurisdictions. Permits enter the picture when the job relocates plumbing (moving a shower drain), opens structure, or when a city requires one for any wet-area rebuild — and where they do, the new shower pan typically has to pass a 24-hour flood test at rough-in, inspected before a single tile goes down. Check your local building department; permit and inspection fees are not part of this estimate.

It adds roughly $2–$4 per sq ft installed but never needs sealing and shrugs off the grease and stains that ruin cement grout behind ranges, on shower floors, and in entryways. For a low-use bathroom or bedroom floor, sealed cement grout performs fine at the standard price.