QA

Quick Answer: How To Tell What Tire Sizes Mean

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.

What do tire numbers and letters mean?

Also known as the service description, the number indicates the maximum load the tire can support when inflated properly, and the letter represents the maximum speed capability of the tire. In our example, a load index of 92 means that the tire can support 1,389 pounds at maximum air pressure.

What size tire is P265 70R17?

265/70R17 tire size in inches. 265/70R17 tires are 31.6″ tall, have a section width of 10.4″, and fit wheels with a diameter of 17. The circumference is 99.2″ that translates into 638 revolutions per mile. As a rule, they can be mounted on the wheels with 17″ x 7-9″(LT Tires 7-8.5″) rim width.

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.

What do the 3 numbers mean on tire size?

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.

What does 50r mean on tires?

50 is the two-figure aspect ratio. This percentage compares the tire’s section height with the tire’s section width. For example, this aspect ratio of 50 means that the tire’s section height is 50% of the tire’s section width. R indicates the construction used within the tires casing. R stands for radial construction.

Can I use 225 tires instead of 235?

Can 225 fit 235 tires? Yes, they can. 225 tires are 10 mm narrower and 15 mm lower in height than the 235 tires. Besides, 235 tires are wider than 225, and so we recommend checking the owner’s manual.

Can I use 265 70R17 instead of 265 65R17?

It means, there is no difference in the width of the tires. Since the width is the same for both 265 65R17 and 265 70R17, you can install any one of these if you are not bothered with the other aspects of the tire.

What does LT mean on a tire?

If a tire size reads, LT235/75R15 104/101S, the LT indicates that this tire is meant for Light Truck use. These tires are made for light-duty and heavy-duty pickup trucks (typically ½ ton, ¾ ton, or 1-ton load capacity), SUVs and vans.

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 size is 265 75R17 in inches?

Plus Sizes 265/75-17 265/70-17 Diameter inches (mm) 32.65 (829.3) 31.61 (802.8) Width inches (mm) 10.43 (265) 10.43 (265) Circum. inches (mm) 102.57 (2605.32) 99.29 (2522.07) Sidewall Height inches (mm) 7.82 (198.75) 7.3 (185.5).

What does lt285 70R17 mean?

This number indicates that your tire has a width of 285 millimeters. 70. This number means that your tire has an aspect ratio of 70%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 70% of the width.

How tall is a 295 70R17 tire?

Open Country M/T 295/70R17 Tire Specs Size Diameter Width LT295/70R17 128P E BSW 33.5″ 11.9″.

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.

What is the difference between a 60 and 65 series tire?

The 65% aspect ratio (as in 235/65/17), compared to 60%, adds almost 12 mm (1/2″) to the radius of the tire (0.65-0.60)*(235mm)=11.75mm.

Will a 65 tire fit a 60?

Yes, the only real difference is that ratio between the tread width and the height of the sidewall will change. The lower the middle number the lower the profile of the tire the larger the number the higher the tire profile.

What does 98 mean on a tire?

The 98 says the tire can safely carry — when properly inflated — 1,653 pounds. This code ranges from 60 (551 pounds) to 114 (2,601 pounds). The speed rating (sometimes listed twice — in front of the R and always here) ranges from M (81 mph) to Z (149+ mph).

What does 111h mean on tires?

· 3 years ago. 117H is the load and speed rating of the tire. 117 means that tire has a maximum rated load of about 2833 lbs, while the maximum rated load of a 111 is 2403 lbs. On the other the letter is the speed index, a tire with a speed index has a maximum rated speed of 130 mph.

What does 99 mean on a tire?

The higher the tire’s load index number, the greater its load carrying capacity. 97 = 1,609 pounds. 98 = 1,653 pounds. 99 = 1,709 pounds. A tire with a higher load index than that of the Original Equipment tire indicates an increase in load capacity.

Do bigger tires give a smoother ride?

Avoid bigger wheels if you want a smoother ride. As a general rule, bigger wheels result in a rougher ride. Switching to a smaller wheel and a thicker tire can give you a smoother ride without any major modifications to your car.

How much difference in tire size is acceptable?

When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. Any more than this and you face the risk of brake failure.

Does the width of a tire matter?

Does Tire Size Really Matter? Simply put, the larger your tire, the more of a grip your vehicle has on the road. As a tire’s width increases, it covers more surface area on the road. That being said, a vehicle with bigger rims will often be able to fit larger tires than other vehicles.