Calculate the number of floor or wall tiles needed for a room, based on room dimensions, tile size, and a wastage allowance for cutting.
How to Use the Tile Calculator
Enter the "Room Length" and "Room Width" in meters.
Enter your chosen "Tile Length" and "Tile Width" in millimeters.
Enter a "Wastage (%)" allowance to cover cutting and breakage - 10% is a common default.
Click "Calculate Tiles" to see the floor area and number of tiles required.
Frequently Asked Questions
Tiles need to be cut to fit room edges, corners, and around fixtures, which creates offcuts that can't always be reused. A 10% wastage allowance is a common rule of thumb, though irregularly shaped rooms may need more.
No, grout line width is usually small enough (2-5mm) to have a negligible effect on tile count, and is typically absorbed within the wastage allowance.
Yes - just enter the wall's length and height instead of the room's length and width, and the same area-based calculation applies.
Yes, it's completely free and requires no sign-up.