How to Measure Tire Tread Wear With a Penny
The penny test, as it's often called, is a tried-and-true gauge for determining when your tires need replacing. If it has been a while since your last tire replacement, but you still think there's some life left in your old ones. Reach in your pocket for a penny and put your tires to the test.
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Instructions
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Hold the penny between your thumb and forefinger with the heads side facing you. Slide the penny between the tread grooves on a tire and turn it so that the top of Lincoln's head is touching the tire.
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Look closely at the penny. If you can see all of Lincoln's head, your treads are worn and your tires should be replaced soon.
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If any part of Lincoln's head is obscured by the tread, there's still a safe amount of tread left on your tires.
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Tips & Warnings
For optimal tire longevity, rotate your tires after every other oil change. You should also check your tire pressure every time you buy gas and refill them as needed.
Don't leave a penny stuck in the treads of a tire.
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Comments
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Hmmm, according to the penny test, it looks like I've got no more than 30 days left on my tires, darn!
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Mark A Smith
Feb 27, 2010
Good atricle. -
patacat
Oct 29, 2009
This was good, but I need to know how much life in left in the tire. I have a lease. I need to buy used tires that will last me 3 months and then some for the big day when I return the car.
