Tire Tread Depth Checker

Enter your tire tread measurement in 32nds of an inch to get an instant safe, marginal, or replace verdict with wet-weather stopping distance context.

Tread Depth (32nds of an inch) Primary Driving Conditions

Tread DepthRating

10-11/32" (new)Excellent

7-9/32"Good

5-6/32"Acceptable

4/32"Marginal — plan replacement

3/32"Replace immediately (winter)

2/32"ILLEGAL — worn indicator bar