View Here : How To Read Tire Sizes
Tire Width. Is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.
How to read inch sizes: 35X12.50R15LT E. Section Width : 12.50 The width of this tire size is 12.5 inches. The second number in a high flotation tire size is the width of the tire in inches. Tire Construction : R The tire construction of this tire size is R for radial. This letter is for how the tire is constructed.
The measurement is the tire's section height, and also referred to as the tire's series, profile or aspect ratio. The higher the number, the taller the sidewall; the lower the number, the lower the sidewall. We know that this tire size's section width is 225mm and that its section height is 50% of 225mm.
Reading Tire Sizes and Ratings Knowing how to read tire sizes on your car’s tires is important, so you’ll know which tire size to buy the next time your vehicle requires new tires. Reading tire sizes might seem like reading Chinese if you don’t know what you’re looking at, but it’s actually pretty easy once you know how to read the tire size information.
An example tire size is 245/45R18, which tells us the width, sidewall height, internal construction and matching wheel diameter. Let's take a closer look at the size stamp on this Falken ZIEX ZE950 all-season tire. The first three digits indicate the section width, or cross section, of the tire in millimeters.
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.
How to Read Tire Sizes. If the tire BEGINS with LT, this indicates Light Truck Metric Size. This tire is intended for vehicles which are capable of carrying heavy cargo, including towing large trailers (i.e. medium (3/4 ton) and heavy-duty (1 ton) load pickup trucks, sport utility vehicles and full size vans.
These sizes are usually 14.5, 15.5, 16.5, 17.5, and 19.5 inches, and an example would be 33x12.5R16.5 118R. Tires and wheels with unique rim diameters should never be combined with traditional inch rim tires and wheels. Before mounting tires on wheels, the tire and wheel diameters should always be confirmed to match.
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.
North America. Tire size was again specified by width in inches and diameter in inches. To differentiate from the earlier 90-ratio tires, the decimal point is usually omitted from the width - for example 685-15 for a tire 6.85 inches wide. Starting in 1972 tires were specified by load rating, using a letter code.