Another easy coin test is the quarter test. Insert a quarter into your tread groove. If the tread touches Washington’s head, you have at least 4/32 of an inch of tread left. If it doesn’t touch, your tire is too worn and needs to be replaced.

For more a more detailed answer, watch this video:

Do you use a penny or quarter to check tire tread?

If you can see all of Lincoln’s head, then you should change the tires. The penny test is outdated and should be replaced with the tire pressure test, according to Tire Rack.

What is the quarter trick for tires?

To perform the quarter test, take a quarter and place it into your tread groove with George Washington’s head facing downward. If you can see the top of Washington’s head, then your tires have worn enough to warrant a new set of tires. If you don’t see his head in the bottom of the tire, your tire has worn too much and needs to be replaced.

How do you gauge tires with a coin?

Tire tread is composed of several ribs. Turn the penny so that Lincoln’s head points down into the tread. See if the top of his head disappears between the ribs. If you can see his entire head, it may be time to replace your tire because it’s too low.

How many 32nds are in a quarter?

It’s 2/32nds of an inch on a quarter, but it’s 4/32nds of an inch on a penny, which is the minimum legal tread depth. If you want to make sure you’re getting the most out of your coinage, you’ll need to know how to measure it.

How do I tell if my tires are worn out?

The easiest way to check wear on your tire is with a penny. Place a penny upside down in between the tire tread as shown. If you can see the top of Lincoln’s head, the treads are worn and tire replacement is needed. A tire pressure gauge is a quick and easy way to check tire wear. You can find one at most auto parts stores or online at

How do you check tire tread with a nickel?

If you have a nickel between your thumb and pointer finger, you can angle Queen Elizabeth upside down. The nickel should be stuck into the tread across all your tires. If you can see the top of the Queen’s crown, it’s time to get a brand-new set of tires.

How do you check tire depth with a Canadian quarter?

The quarter head should be facing down while you hold it between your thumb and forefinger. If the top of the figurehead is covered by tread, you can drive with the legal amount of tread on the tire. If the tread is too high or too low in the groove, it’s legal to drive with too much or not enough tread.

The legal amount is determined by the manufacturer’s recommended tire pressure. For example, if a tire has a recommended pressure of 12.5 psi, but your car is rated at 12 psi or less, then you can drive the car with less than 12 percent of its recommended tread and still be legal.

How do you measure tread depth without a gauge?

Insert a penny into your tire’s tread groove with Lincoln’s head upside down and facing you. If your tire tread depth is less than 2/32 inch and you can’t see the head, it’s time to replace it. If you don’t see the penny in the groove, the tread is too deep and needs to be replaced.

What is a penny test?

A penny test is the easiest way to do it. Put a penny between the two ribs of your tire and put Lincoln’s head upside down. Your tires are in good shape if the part of the head is covered. If your tread is less than 232 inch, it’s time for a new set of tires.

Is 7 32 A good tread depth?

What is the meaning of the tire tread depth gauge? Equal or over 7/32′′ is efficient and good. It is measured in millimeters and is used to determine the amount of wear on a tire’s tread.

A tire that has a depth of 1.5mm or less is considered to be “good” and will last a long time, while one that is 2mm to 3mm deep will not last as long, but it will be more efficient for driving.

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