What Do The Numbers On Tires Represent

The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.

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.

Which tire is wider 45 or 50?

got that 1 wrong, the 45 and 50 is a percentage of the width, so the difference between 45 and 50 profiles is 5% of the width.

Can I use 245 tires instead of 235?

So you have already identified the difference between 235 and 245 size tires. It is obvious that 245 is bigger than 235, still, both tires’ sizes are pretty common and could be interchangeable at times.

Can I use 205 tires instead of 215?

Really alot of variation with all the combinations out there. Both 205 and 215 will work OK esp for 16″ to 18″ wheels. You’ll get a lighter tire and slightly less rolling resistance with the 205- overall a good street tire that can wear well but that depends on the softness of the rubber compound.

What is P265?

Let’s take for example P265/60R18. This code gives you the following information about your vehicle’s tire: P = Passenger Tire (Light Truck Tires will begin with the prefix LT). 265 = Section Width in millimeters (measured at the widest part of the tire from sidewall to sidewall).

What size tire is 255 70R17?

Tire Size Calculator – Tire & Wheel Plus Sizing BETA Unit: Imperial Imperial Metric Section Width 10.04 in Rim Diameter 17.00 in Rim Width Range 6.50 in – 8.50 in Overall Diameter 31.06 in.

Which tire is wider a 40 or 45?

Registered. The difference in circumference is 529.3″ for the 45 and 494.0″ for the 40, or 7% more.

Whats the difference between a 45 and 55 tire?

A 55 profile is approximately 118mm tall. A 45 profile is 97mm tall. That’s 21 mm lower profile, so the overall size is 42mm or about 1.5″ smaller. Overall diameter with the smaller tyre is 530mm (21″), around 570 (23″) for the larger one, or 8% smaller.

What is the difference between a 40 and 45 tire?

Its pretty simplethe profile is the sidewall heigth as a percentage of the treadwidth. So on a set of tires that are 215mm wide, a /40 profile tire would have an 86mm tall sidewall, and a /45 profile tire would have a 96.75mm sidewall.

What does P245 mean on a tire?

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.

Which tire is wider 245 or 255?

While the exact dimensions of a 245 or a 255 tire can vary somewhat between tire manufacturers, for any specific manufacturer a 255 tire will have a wider section width (bulge or tread width) than a 245 tire, the difference being 10 mm.

What size tire is a 245 75r16?

Plus Sizes 245/75-16 265/75-16 Diameter inches (mm) 30.47 (773.9) 31.65 (803.9) Width inches (mm) 9.65 (245) 10.43 (265) Circum. inches (mm) 95.72 (2431.28) 99.43 (2525.53) Sidewall Height inches (mm) 7.23 (183.75) 7.82 (198.75).

Can wrong size tires damage transmission?

Wrong size tires do not damage the transmission. Although ill-fitting tires do not directly impact the transmission, it does impact the overall performance of the vehicle. Wrong size tires can cause a safety hazard as well as cause structural damage to the vehicle.

What happens if I put the wrong size tires on my car?

Effects of Wrong Size Tires Choosing too tall of a tire can result in a vehicle prone to rolling over, a dangerous concern for any driver. Tall tires may also rub against the inside of the wheel well. While not immediately problematic, this rubbing can lead to steering issues over time.

Can I change my tire size without changing rims?

It’s possible to change the size of your tires without actually changing the diameter. One example is if you want larger rims – you can buy tires that compensate for the larger rims by reducing the “height” of the outer tire.

What does 65R17 mean?

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 is a 115T tire?

The 115T signifies that the tire has a 4ply standard load sidewall. The standard load tire is best for a half ton truck, whereas the load range E sidewall is best for a 3/4 and 1 ton truck.

What does 105s mean on tires?

15—This is the wheel’s diameter, commonly measured in inches. 105—This is the tire’s load index, a.k.a. how much weight the tire can support. A tire with a 105 load index can support a maximum weight of 2,039 pounds. S—This is the tire’s speed rating.