Tile Flooring Calculator KALK.PRO allows you to estimate the quantity of materials for laying the floor based on the known square footage of the room and their total cost. The tool will be useful if you do not know how to calculate how many floor tiles you need, but want to come to the store and buy the necessary amount the first time. The calculation assumes that the tile layout is made in the classic way (straight line), if you want to lay it diagonally - increase the final value by 10%. To get the result, fill in all the fields in the appropriate units and click «Calculate». You may also be interested in calculating the tiles for the bathroom and the number of tiles for the kitchen apron.