# Quick Answer: What Does The First Number On A Tire Stand For?

## What do car tire numbers mean?

This is the height of the sidewall from wheel to tread relative to the width.

Manufacturer’s represent this measurement in a percentage, so in our example, the sidewall is 129.25 millimeters — 5.08 inches — tall (235 x 0.55).

Wheel size.

The final number group, the “18,” is the size of wheel the tire fits..

## Can I use 235 tires instead of 225?

Obviously, you will need a certain kind of tire depending on how you use your vehicle. Due to this, a 235 tire might not be better than a 225 tire, or vice versa, but depending on your situation, one tire might serve you better than the other.

## What does the R mean in tire size?

radial constructionP identifies your tire as a Passenger Tire. … R indicates the construction used within the tires casing. R stands for radial construction. B means belted bias and D stands for diagonal bias construction. 16 The last dimension listed in the size is the diameter of the wheel rim, which is most often measured in inches.

## Can wrong size tires damage car?

Unfortunately, altering the tire size of a vehicle without thorough and careful consideration is a decision that can really bite. Fitting the wrong tire size can cause damage to a vehicle, and is a real safety hazard as well.

## What does V mean on tires?

Speed Rating V Once the highest speed rating a tire could have, “V” used to represent a maximum of 149 mph (240 kph) or more. Nowadays, it means 149 mph but no higher.

## How do I know the size of my tires?

The tire size for your vehicle and wheels can be found in two places:Sidewall of your tire.Inside frame of the driver side door.

## What is the difference between 225 and 235 tires?

Plus Sizes225/75-15235/75-15Diameter inches (mm)28.29 (718.5)28.88 (733.5)Width inches (mm)8.86 (225)9.25 (235)Circum. inches (mm)88.87 (2257.23)90.72 (2304.36)Sidewall Height inches (mm)6.64 (168.75)6.94 (176.25)1 more row

## Which tire is taller 225 or 235?

If I recall, on a 225/45 tire, the highth is 45% of the tire width. So on a 235 tire, it would be a little taller.

## Which tire is taller 275 or 285?

They both are the same tread width. The difference is the 275/65/17 is a little taller. It is the same tread “mold”. To get a wider bfg tire, you must go to a 285.

## Will a 265 tire fit a 285 rim?

Yes they will fit, the 285 will be 1.2″ more in diameter, 0.8″ more in width, 0.6″ taller sidewall, 3.7″ longer circumference and will rotate 24 less times every mile. First 3 digits are width of the tread, second 2 digits are tire height, and of course, last 2 digits are rim size.

## What does the red dot on a tire mean?

The overall light static balance point of the tire. In other words, it’s as though the tire is a bit lighter in the area where the yellow dot is located. The Red dot on your tire side wall indicates: it’s a way of indicating where the centrifugal force tending to pull the rotating tire away from the wheel is greatest.

## How do you read a tire code?

3-digit number: The “nominal section width” of the tire in millimeters; the widest point from both outer edges (side wall to side wall). … /: Slash character for character separation.2- or 3-digit number: The “aspect ratio” of the sidewall height as a percentage of the nominal section width of the tire.More items…

## Can I use 225 65r17 instead of 235 60r17?

Both fit 17 inch rims, so one obstacle is out of the way. 235/65R17 has a sidewall height of 153 millimeters (65% of 235 mm), while 225/60R17 has a sidewall height of 135 mm (60% of 225 mm). … You are reducing sidewall height by 18 mm (about 3/4″), so your car will be lower by this amount.

## How much taller is a 275 tire than a 265?

Plus Sizes265/70-17275/70-17Width inches (mm)10.43 (265)10.83 (275)Circum. inches (mm)99.29 (2522.07)101.03 (2566.05)Sidewall Height inches (mm)7.3 (185.5)7.58 (192.5)Revolutions per mile (km)638.1 (396.5)627.17 (389.7)1 more row

## What does the 265 70r17 mean?

265. This number indicates that your tire has a width of 265 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.

## What’s the difference between 285 and 265 tires?

The larger 285/70R17 tire in the photo above stands over an inch taller and is nearly an inch wider than the 265/70R17 size. … The width of the tread is also a half-inch wider. Many late-model domestic trucks accept this difference in size.

## Can I put different size tires on my car?

Tires are a part of the wheel setup. For instance, your vehicle has a set size of rims, but you can buy different sizes of tires to fit those rims, as long as the middle of the tires is the correct size. That being said, a vehicle with bigger rims will often be able to fit larger tires than other vehicles.