A tile cutting machine includes a tub having at least one sidewall and a bottom for holding water. An opening may be positioned in the sidewall and selectively covered by a door. A cutting head assembly includes a cutting device having a blade and a motor for powering the blade. The cutting device is selectively coupled with a rail assembly and movable there along. A tile supporting surface is located in the tub for supporting a tile to be cut. The tile supporting surface having areas of varying heights to accommodate tiles of various sizes.