How to Measure Tire Tread Using a Coin

How to Measure Tire Tread Using a Coin

To measure tire tread using a coin, insert a U.S. penny upside down into a main tread groove with Lincoln’s head entering first. If the top of Lincoln’s head remains visible, the tread is approximately 2/32 inch or less, so the tire should be replaced. Repeat the test across and around every tire. Key Facts […]