Often asked: How To Read Tires?

What do the numbers mean on a tire?

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?

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. In this case, the sidewall height works out to be 185 millimeters.

How do you read a tire marking code?

  1. 3-digit number: The “nominal section width” of the tire in millimeters; the widest point from both outer edges (side wall to side wall).
  2. /: Slash character for character separation.
  3. 2- or 3-digit number: The “aspect ratio” of the sidewall height as a percentage of the nominal section width of the tire.
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Can I use 235 tires instead of 225?

Yesthat size will work 100% perfectly, as it is the exact same diameter as the 225/75-16. 235/70-16 is actually a shorter tire.

What are the 3 numbers on tires mean?

B: TIRE WIDTH The three-digit number following the letter is the tire’s width (from side to side, looking at the tire head on) in millimeters. It’s the height of the sidewall measured from wheel rim to top of the tread, expressed as a percentage of tire width. In other words, it’s sidewall height divided by tire width.

What’s the difference between 265 and 285 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.

Are wider tires better?

From a safety point of view, both types have their good sides: On a dry road, wider tires will offer more grip than narrow ones, but the risk of aquaplaning will be higher with wide tires. – In the winter, narrow tires are better under extreme conditions as they provide higher surface pressure against the road.

What does the R mean in tire size?

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 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.

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Why do you only stab out 3 tires?

That way they wouldn’t be able to get the buy three get one free deal. Insurance will cover if all 4 are slashed; they won’t cover 3 tires.

How much wider is a 235 than a 225 tire?

Plus Sizes

225/75-15 235/75-15
Diameter 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)

Can I put 245 tires on 225 rims?

Can you put 245 tires on 225 rims? Yes, you could. As long as both of tires have the same diameter, you can use them. In this case the diameter is 18 for both.

What’s the difference between a 235 tire and a 225 tire?

1. If both tires are the same brand/model, then 235 should be slightly more comfortable given the same tire pressure. 2. If the 225 has softer sidewall and the 235 has stiffer sidewall, then the feel could be the same or the 235 might be stiffer due to the sidewall.

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