Average new tires used on cars typically start with 1032 to 1132 of original tread depth. So on a tire that starts with a new 1032 depth and has worn off 4.
A new tire retains a tread depth from 1032 to 1132.
What is normal tire tread depth. The typical new tire used on automobiles is measured with 1032 to 1132 of tread depth. With wintersnow and light truck tires the tread is deeper because this depends on the tires tread type which is either the Highway Rib Highway All-Season Off-Road All-Terrain or Off-Road Maximum Traction. However remember that the useable tread depth is measured by subtracting 232 from the tires new tread depth.
So on a tire that starts with a new 1032 depth and has worn off 4. The tire industry standard for tread depth in the United States is measured in one thirty-second of an inch 132 increments millimeters are used in countries observing metric standards. New tires typically start with a tread depth of 1032 to 1232 with some off-road tires topping 1532.
Average new tires used on cars typically start with 1032 to 1132 of original tread depth. Dedicated winter snow tires and light truck tires typically are deeper for light truck tires how much deeper depends on the tires tread type Highway Rib Highway All-Season Off-Road All-Terrain or Off-Road Maximum Traction. The quarter test can show if your tread depth has worn to or below 432nds of an inch.
To perform the quarter test take a quarter and place it into your tread groove with George Washingtons head facing downward. If you can see the top of Washingtons head then your tires have worn below 432nds of an inch. Original tread depth and has worn off 432 down to 632 of remaining tread depth is 50 worn.
1032 original tread depth-232 legally worn out tread depth 832 of useable tread depth. 832 useable tread depth-432 measured tread depth worn away 432of remaining tread depth 50 of. A new tire retains a tread depth from 1032 to 1132.
This tread depth is usually made to last anywhere from 3 to 5 years depending on how well it is maintained. To measure the tread of a tire using an available chart follow these steps. Insert a penny into the tire.
Turn a penny upside down and place it inside the tire tread. Mark the tread depth on the penny. Mark where on the tread meets the penny.
Traction and performance in these conditions will be compromised long before the official minimum tread depth of 232 is reached. We highly recommend you check your tire tread depth regularly and depending upon your driving environment s and other variables consider replacing your tires when they reach 432. You should monitor your tire tread depth closely once it reaches 432 inch deep.
If you want to check it yourself heres how to assess your tread depth. The Penny Tire Test There are several popular ways to check your tire tread depth. For example a typical tire that starts with 1032 of original tread depth has only 832 of useable tread depth.
Its useable tread depth is calculated by subtracting a worn out tires 232 from the new tires original depth of 1032. The final 232 of a tires tread depth. A typical passenger car tire has about twenty square inches of total footprint surface and begins with about 13 of tread depth.
While the majority of the footprint surface is made up of the rubber that grips the road the remainder is the void of the grooves that make up the tread design. The average tread depth on new tires ranges from 1032 of an inch to 1132 of an inch. This guideline is not standardized among all tires and only serves as an estimation.
Tires become dangerous when they reach tread depths of 232 of an inch or shallower. While most states require tire tread depth to be a minimum of 232 most technicians and responsible people would recommend tire replacement around 432 especially if lots of rain is a possibility in your area. If the outer tread grooves are deeper than the center groove this could indicate that your tires are overinflated.
Tread is the rubber on the tire that touches the road. New tires have an average tread depth of 8 to 9 millimeters 1032 to 1132 inches. As you drive the tread will wear down.
A tire with a tread depth below 16 millimeters 232 inches lacks grip. New tires typically come with 1032 or 1132 tread depths and some truck SUV and winter tires may have deeper tread depths than other models. Department of Transportation recommends replacing tires when they reach 232 and many states legally require tires to be replaced at this depth.
Tire tread depth is a measurement used to determine the normal wear of the vehicles tires. Specifically it is a vertical measurement from the top of the tire to the bottom of the tires deepest point. It is very normal to see wear on tires especially if they are used regularly.
You can check for the depth of the groove by using a Tire Tread Depth Gauge or by observing the Tread Wear Indicator on the bottom of grooves the location of which is marked on a shoulder as. To ensure optimum safety and performance tires should be replaced when groove depth remains less than 2mm. In the United States tire tread is measured in 32-nd of an inch.
Most all-season passenger vehicle tires are 932 to 1132- inch. In most states 232-inch is the minimum tread depth requirement which means by law drivers are required to replace a tire when a tire wears down to that depth. Measuring tire tread depth.
New tires typically have from 1032 to 1132 of an inch of tire tread depth when theyre new. The deep tread plus grooves and slits cut into the sides of the tread allow water and snow to escape.