A tire's load index is a measurement of how much weight each tire is designed to support. The larger the number, the higher the load capacity. This is one of the most important numbers on your tire.
These indicate that the tire meets the safety requirements as determined by the DOT. Along with these markings, there is the Uniform Tire Quality Grading (UTQG) code as well as load, speed and maximum inflation pressure specifications – just to name a few. Let’s take a closer look.
Consult your owner's manual or tire placard for the recommended tire size and inflation pressure for your vehicle. Tire Width Is the width of the tire measured in millimeters from sidewall to sidewall.
Knowing how to read a tire can give you important information about the type of tire on your car, RV, trailer, or motorcycle. This can be useful when buying replacements for your vehicle, considering tire upgrades, or changing to seasonal tires if you live where winter weather can be an issue.
So a 285/75R16 metric tire would calculate to an inch measurement tire of 32.82X11.22R16. Remember, not all tire sizes are manufactured in both metric and inch sizes so learning how to read tire size can be a valuable tool for anyone in the market for new tires.
TIRE SIZE. Example: P225/50/R17 98H. P identifies your tire as a Passenger Tire. The P stands for PMetric. If your tire size starts with LT rather than a P than it identifies the tire as a Light Truck tire. 225 identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters. This measurement varies depending on the rim to which it is fitted.
Read on to learn how to crack the tire code with this handy guide dedicated to tire types, sizes, and construction. Tire service type ratings Most tire sizes begin with one or more letters -- for example, P or LT.
Load rating: 85V In this case, 85 means the tire is rated for 1,135 pounds (see Table 2). Multiply this by the number of tires on the car, and you get a maximum safe loaded vehicle weight of 4,540 pounds (including people, luggage, a full tank of gas, and all the loose change under the seats).
T = If a tire size begins with a "T," it signifies the tire is a "Temporary Spare" ("space saver" or "mini spare") that was designed to be used temporarily only until a flat tire can be repaired or replaced.
Read this article first. How and why to buy tires online Find out why you should buy tires online, how TireBuyer.com works, and if you even need new tires. Understanding tire types/sizes "P225/45ZR18 92Y" may not mean much to the average person, but to tire geeks, it speaks volumes.