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How To Measure Tire Depth

First, grab a penny and insert it into your tire’s tread groove with Lincoln’s head upside down and facing you. If you can see all of Lincoln’s head, your tire tread depth is less than 2/32 of an inch, and it’s time to replace your tires. Another easy option is using a quarter to do the same test.

What is good tire tread depth?

New tires typically come with 10/32” or 11/32” tread depths, and some truck, SUV and winter tires may have deeper tread depths than other models. The U.S. Department of Transportation recommends replacing tires when they reach 2/32”, and many states legally require tires to be replaced at this depth.

How many 32nds is a new tire?

New tires have an average tread depth of 8 to 9 millimeters (10/32 to 11/32 inches). As you drive, the tread will wear down. A tire with a tread depth below 1.6 millimeters (2/32 inches) lacks grip. Braking distance and vehicle control are impaired.

How do you measure tread depth with a ruler?

Ruler: Using a ruler is also an easy and accurate way to check tread depth. Measure between your tread lines with a ruler and use the 1/16” scale. Just remember that 1/16” is equal to 2/32.

Is 60 percent tire tread good?

Used tires tread can be up to 90%, but the average is 6-8/32”. Tires in good condition should have a minimum of 6/32” to be useful, or 4/32” if the tire is 13-14”. The average legal minimum tread depth is 2/32”, but driving becomes unsafe with such a tread.

Should I replace tires at 4 32?

The Tire Rack’s advice is that if rain and wet roads are a concern, you should consider replacing your tires when they reach approximately 4/32″ of remaining tread depth. Since water can’t be compressed, you need enough tread depth to allow the rain to escape through the tire’s grooves.

Is the penny test for tires accurate?

For years, motorists have been told the “penny test” is an accurate indicator of whether or not you need new tires. The test is conducted by sticking a penny head down in a tire tread; if you see all of Lincoln’s head, then you should change the tires. The one with an eighth of an inch of tread stopped in 300 feet.

What are three ways to check the tire tread depth?

If you see irregular wear, it’s definitely an indication that you might need to have your tires balanced. There are basically three ways to measure tread depth: the quick-and-dirty way, the quicker-and-dirtier way, and the right way.

Is 4 32nds of tread depth legal?

According to Federal Motor Carrier Safety Administration (FMCSA) regulations, the minimum tread depth for a steer tire is 4/32 of an inch on every major tread groove. If one spot on one groove is less than 4/32, then a driver will be issued a citation.

How good is 6 32 tread?

6/32” Your tire’s tread depth is sufficient for 3-seasons but nearing minimum for a winter tire. 5/32” If wet roads are a concern, consider replacing your tires. If it’s a winter tire, 4/32” is the minimum. 2/32” Your tires are legally bald and need to be replaced.

How many 32nds is the wear bar on a tire?

How deep is the wear bar on a tire? The tread wear bars on a tire sit precisely at 2/32″. This is the minimum allowed tread depth on the tires.

How many miles are tires good for?

Your tires should last 50,000 to 60,000 miles on average. But that really depends on the manufacturer. Some manufacturers build their tires to last up to 80,000 miles, while some design their tires to last as little as 30,000 miles. You can see how many miles to expect out of a tire by checking its treadwear rating.

How often should your tires be rotated?

This common maintenance task—which should typically be done every 5,000 to 8,000 miles—isn’t one you should ignore. It may seem minor, but remember: Tires are the only thing that comes between your 2-ton vehicle and the road.

How many years do tires last?

On average, people drive between 12,000 to 15,000 miles a year, which means the average good quality all-season tire will last somewhere between three and five years, depending on maintenance, driving style and conditions, etc.

Is 80 percent tire tread good?

Here’s what the heck that means: 2/32nds of tread is the legal minimum of tread you need on your tires to pass inspection in most states. Most tires have 10/32nds of tread when new, and when 80 percent of the tread has worn down, or its reached 2/32nds, it’s time for new tires.

How long will 40% tread last?

At 40 percent you should expect around 8k miles before they get near the wear indicators. It’s recommended not to run tires less than 3/32 of tread to avoid concerns of hydro planing. These tires wear very quickly, the rubber is soft and deliver excellent traction.

Is 50 tire tread good?

If the tread reaches the bear’s paws, your tires are probably pretty new. If it reaches all the way across the silver, they’re about 50% worn. If your tire tread reaches only about half-way into the letters, it’s time to shop for new tires.

Why do new car tires wear out so fast?

The tires that came with your last new car were not designed by Michelin, Goodyear, Bridgestone or any other tire manufacturer. They were designed by the manufacturer of your car. This is because virtually all auto manufacturers specify very soft rubber which means they wear out too fast.

What is the best time to change winter tires?

When is the best time to switch over to winter tires? The general rule of thumb is that between Thanksgiving and Easter, you’ll need winter tires. These holidays are the markers because they fall during the start and end of the time of year when it’s likely that the temperature will regularly be at or below 7°C.

When should tires be replaced due to age?

It may be tentative, but tires do have an expiration date. There is a general consensus that most tires should be inspected, if not replaced, at about six years and should be absolutely be swapped out after 10 years, regardless of how much tread they have left.