How can i make the Unity2d grid use rounded numbers?

I'm new to unity and am creating a simple grid-based game to understand things better. in the game I have a "start position" tile that sets where my hero will start the level. however, I can't seem to get the tile to be located at a clean (1,2) kind of coordinate. instead, the location of the tile is always a long float out to several decimal places, like (-3.897622, 0.9561565). This is creating problems further down the road when I want to specific particular cell/tile locations. Is there a way to force unity to use Ints or rounded floats for its grid locations?