Use Tile Calc Pro to help you easily estimate the amount of tiles, unmixed adhesive & grout you'll need for any area. Simply enter: 1 - The tile dimensions. 2 - The required grout width and the tiling area. 3 - Choose the amount of tile wastage expected. Click Calculate and Tile Calc Pro will estimate everything for you. Please use the results as a guide and confirm with your supplier before you buy.