Automotive CalculatorsPrivate by design
Tire Tread Depth Checker
Enter your tire's tread depth in 32nds of an inch to see how it compares to safety and legal minimum thresholds.
How to use this tool
- 1Measure tread depth with a gauge or the penny test.
- 2Enter the depth in 32nds of an inch.
- 3See the safety assessment.
Frequently asked questions
What is the penny test?+
Insert a penny into the tread groove with Lincoln's head upside down — if you can see all of his head, tread depth is at or below 2/32", the common legal minimum in most US states.
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