Construction & Materials
Tile & Grout Calculator
Estimate the number of tiles and grout needed for a floor or wall area.
Your inputs
Change any value to update the result instantly.
Tiles needed
132 tiles
Coverage area
120 ft²
Grout required
60 lb
Boxes (assume 10 tiles/box)
14 boxes
Formula and working
tiles = area ÷ tile area × (1 + waste)
- 1
Collect the inputs
Area to tile = 120 ft²; Tile length = 12 in; Tile width = 12 in; Grout joint width = 0.125 in; Waste allowance = 10 %
- 2
Apply the formula
tiles = area ÷ tile area × (1 + waste)
- 3
Result
Tiles needed = 132 tiles
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Report a mistake or request an improvement
Tell us if a formula, unit, explanation, or result needs attention. Your message will include this calculator’s name and page.
Related calculators
Drywall Sheets & Joint Compound Calculator
Estimate the number of drywall sheets and buckets of joint compound needed for a room.
Flooring Calculator with Waste Allowance
Estimate flooring material required for a room including a 10% (or custom) waste allowance.
Paint Coverage Calculator
Estimate the gallons of paint needed for walls and ceilings across multiple coats.
Wallpaper Rolls Calculator
Estimate the number of wallpaper rolls needed for a room including pattern repeat waste.
Asphalt Tonnage Calculator
Estimate the tonnage of asphalt needed to pave an area at a given thickness and density.
Board Feet Calculator
Calculate board feet of lumber from thickness, width, length and quantity.
