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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.

## Can I use 225 tires instead of 215?

The diameter of 215 tires is much smaller than 225 models. Also, the aspect ratio of 215 tires is slightly higher compared to 225 tires. Therefore, there might be a minor change in the steering stability of both tires if used interchangeably. To sum up, yes, 215 and 225 models are interchangeable.

## What do all the numbers mean on a tire?

Every tire has 3 numbers that mean a specific size: The bigger the aspect ratio, the larger the sidewall of the tire. The last number, 15, is the rim diameter of the wheel that the tire will fit. The tire letter meaning refers to the construction of the tire: R for radial, D for diagonal, and RF for run-flat.

## What does P265 mean?

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 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.

## Is it OK to go up one tire size?

As a general rule of thumb, it’s safe to fit a tire up to 20 millimeters wider than stock on the original rim. The actual width of the tire will vary depending on the width of the rim: The tire will expand 5 millimeters for every half inch (12.5 millimeters) increase in rim width.

## Do wider tires help in snow?

When it comes to the winter season, there are definite advantages to fitting your wheels with wide tires over standard narrow tires. A wider tire equates to better performance on dry or wet roads and compacted snow.

## Do tire sizes have to be exact?

Width and diameter are the two factors that determine tire and rim compatibility. For diameter you’ll need to be sure that your tires and wheels are an exact match, e.g. a 215/65R17 tire will only fit on a 17″ diameter wheel.

## Can I use 60 instead of 55 tires?

Most likely yes. The 55 or 60 in this case is the aspect ratio. It’s how tall the tire is as a percentage of its width. A 60 means the tire’s sidewall height is 60% of the width of the tire.

## 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.

## 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.

## Can I use 55 tires instead of 65?

The 55 is the “height” of the tire. Generally not recommended as the new tire is about 6% smaller than the older one. From a strictly ‘will it fit’ stand point, yes. 205 is the height, the 55 is slightly wider than the 65 (it’s a ratio); and the 16 is the rim diameter.

## 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.

## 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 does 113 mean on a tire?

113 is the load rating, it means the tires can handle up to 2535 lbs. S is the speed index, which means the tires can go up to a speed of 112 mph.

## 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).