Tire Width Looking at the same number sequence, locate the three-digit number directly following the tire type. In the example “P245/50R20 102V,” the number indicating the tire width is 245. This tells you how wide your vehicle's tires need to be to fit onto the wheels.
What does 245/45 mean on a tire?
It is expressed as a percentage of the width. A 245/45 is 45 percent as tall as it is wide, making it approximately 110.25 millimeters tall. As aspect ratios decrease, the tire's firmness increases. Smaller aspect ratios, such as 35 or 40 are generally reserved for performance tires on sports cars.
How wide is a 255 45R17 tire?
255/45R17 tires have a diameter of 26.0", a section width of 10.0", and a wheel diameter of 17". The circumference is 81.8" and they have 775 revolutions per mile. Generally they are approved to be mounted on 8-9.5" wide wheels.
What diameter is a 245 tire?
245/60R17 tires have a diameter of 28.6", a section width of 9.6", and a wheel diameter of 17".
What does the 265 70R17 mean?
How to read your tire size long description. An arrow points to the numbers 265/70R17 115T on the inner part of the tire sidewall. 265 is the width, 70 is the aspect ratio, R stands for radial, 17 is the wheel diameter and 115T is the load index and speed symbol.
This number indicates that your tire has a width of 265 millimeters. 65. This number means that your tire has an aspect ratio of 65%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 65% of the width.
What does tire size mean P275 55R20?
The same 2014 Ford F150 in their Platinum Series comes with a tire size of P275/55R20. The tire is a (P) passenger tire, with a tread width of 275 millimeters, the sidewall is 55% as tall as the tread (section width) is wide, and the wheel diameter is 20 inches.
Which tire is wider 245 or 225?
A 245/75/16 is taller as well as wider than a 225/75/16. The height is calculated as 75% of 245 or 225. So a 205/50/15 tire the height would be calculated as 50% of 205mm . Some tires listed as the same size still have different dimensions however.
Are 245 tires wide?
245: The width of the tire, from sidewall to sidewall, in millimeters. A 245 is 245 millimeters, or 24.5 centimeters, wide. A 245/45 is 45 percent as tall as it is wide, making it approximately 110.25 millimeters tall.