How this calculator works
Calculate tile count and purchase area with a waste allowance.
tiles = ceil[(surface area ÷ tile area) × (1 + waste%)]
Finishing · Calculator
Calculate tile count and purchase area with a waste allowance.
Calculate tile count and purchase area with a waste allowance.
The calculator uses the following core relationship:
Estimating note: Actual material quantities can vary with site conditions, detailing, product dimensions, installation method, and waste.
A tile calculator estimates the number of tiles required based on floor area, tile dimensions and waste allowance.
Tile quantity depends on room size, tile format and cutting waste.
Construction tip: Always verify dimensions, material specifications and project conditions before ordering materials.
Calculate tile count and purchase area with a waste allowance.
The calculator uses inputs such as Surface area (m²), Tile length (mm), Tile width (mm), Waste allowance (%), and Tiles per box (pcs). Use values from your drawings, measurements, product data, or project specifications.
Use outputs such as Tiles required, Boxes to buy, and Purchase area for estimating and cross-checking. Before purchasing or construction, confirm the dimensions, units, waste factors, supplier packaging, and project specifications.
Continue your estimate with related Construction Calc Lab.