How to read your tire size?
One can find the tire size of their car from the user manual of the car. Similarly, a sticker is mounted on the inside of the door just beneath the hook.
It has the specification of the car wheels and related size details written on it. If you still have your stock wheels you can also see the size of the tires written on the sidewall.
There is a lot of information on the tires' sidewalls, but the information we want is written in the form of 200/60R15 92S.
Let’s break down all the numbers and letters, the number may also start with a P205/60R15 92S where the P represents the passenger vehicle. There are other letters as well:
“P”= Passenger Vehicle
“LT”= Light Track
“ML”= Mining and Logging
“MH”= Mobile Home
“ST”= Special Trailer
“TR”= Truck
The next number we have is 205. Now 205 represents the cross-sectional width of the tires which is 205 mm.
The next number is 60. This 60 represents the aspect ratio of the tire. 60 is basically in percentage means 60 percent of 205 mm which turns out to be 123 mm. So, this 123 mm is basically the height of the sidewall or the tire.
The letter R represents the structure of the tire and it stands for Radial. The other two configurations include D for Bias Ply and B for Bias Belted tires.
The 16 after the R represents the diameter of the car rim. It tells us about what diameter rim is this tire suitable for. Use the right rim size to install into the tires.
The 92S represents the load index and the speed rating of the tire. Figure 92 tells us exactly how much load the tire can handle. This maximum loading in kilogram and pounds is also mentioned on the sidewall of the tire.
Always have a better load index grade. Never go below the mentioned weight. The fewer quality wheels on a heavy-weight car is a bad decision and are not practical.
This tire can withstand a load of 380 kg or 1389 lbs (pounds) of force.
One might also think that my car weighs much more than 1389 lbs so how can my tires withstand such weight as the actual weight of the car is a lot more. This is because most of the weight is equally distributed on the suspension of the tires and the tires do not have to withstand the entire weight of the car.
The S with the 92 tells us the car's max speed rating, which in our case is 180 km. This means that the car cannot go beyond 180 km.  Â
Thus, it is easy to comprehend and look into any tire and be able to read and understand the specifications mentioned on the tires. Â
With these simple tips on how to read Tire Size easily, you should be able to buy your car rims and car tires without any difficulty.
 Tire sizes matter, so only the right car rims should be used by looking on to the user manual, or tires specification sticker placed in the car door. One can also confirm the tire specifications if the stock tires are present. Â
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