Abstract: A tile setter's measuring tool includes a cup slide in the form of an elongate bar having a through-extending passageway along a substantial proportion of its length and a pivot mount at one end, an object guide pivotally mounted to the pivot mount, and a tile cup block slidably engaged to the cup slide by a fastener passing through the passageway, permitting positioning of the tile cup block at a desired orientation and location along the passageway, the tile cup block having an upper surface and a lower surface, each of the upper and lower surfaces being provided with spacers in arrangements that differ from one another.