What is the biggest tire that can fit on a 16 inch rim?

The largest tire that can fit on a 16-inch rim typically depends on the vehicle's wheel well clearance, suspension setup, and overall dimensions. Generally, for a standard 16-inch rim, tires ranging from 225 to 265 millimeters in width are common, but some vehicles may accommodate wider tires, like 275 mm or even larger, if modifications are made. It's essential to consult the vehicle's specifications or a tire professional to ensure proper fitment and avoid rubbing or clearance issues.