How To Read Your Tire Size

P designates this tire as a passenger car tire an lt before the tire size would mean the tire is a light truck tire and a european metric tire would have no letter before the tire size.

How to read your tire size. The letter p at the beginning of the tire size tells us the tire is a p metric tire referring to tires made to certain standards within the united states intended for passenger vehicles. P metric and euro metric tires may have different load capacities. Width in millimeters the first of the tire size numbers gives you the width of the tire from sidewall to sidewall in millimeters. Apart from reading the tire size another important aspect is to read the load and speed indexes that your new tires need to tolerate. 245 section widthtread mm.

You can find this index code on the backside printed after the tire size code. The first letter on a tire indicates the tire s class. If the number begins with a p the tire is called p metric and is built in the us.