This is the legal minimum in most regions. If your tread is this low, you must replace your tires immediately.
Insert a penny upside down into the tread. If you can see the top of Lincoln's head, your tread is below 2/32" and the tire is unsafe. when to buy new tires
Tires degrade over time due to environmental exposure, regardless of how much tread is left. How to Buy Tires: A Step-by-Step Guide - US News Cars This is the legal minimum in most regions
Tread depth is the primary indicator of a tire's health. New tires typically start with of tread. when to buy new tires