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.
How do you read tire sizes?
Thus, a tire with the measurement “P225” is for a passenger vehicle and has a nominal width of 225 millimeters. After the slash mark, the next number you see is for the tire’s aspect ratio, which essentially tells you how tall your tire’s profile is: P225/70R16 91S. Aspect ratios are delivered in percentages.
What does the 265 70R17 mean?
On this page you’ll find a color-coded explanation of the 265-70R17 tire code. 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.
What do the 3 numbers mean on tire size?
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. … The bigger the aspect ratio, the higher/taller the tire’s sidewall, or “profile” as it’s sometimes called. The aspect ratio is indicated on the tire sidewall as a percentage.
What does 25x10x12 mean?
ATV tire explaination: ATV tires are listed in a set of three numbers, generally separated by dashes (25-10-12), or by an ‘x’ (25x10x12) or a combination of the two: 1st Number = The overall tire height when inflated (Ex. 25×10-12 is 25″ tall). … 25×10-12 is 10″ wide).
Can I use 235 tires instead of 225?
01. Are 225 and 235 Tires Interchangeable? Yes, they are. However, this is only possible if your car’s rims can accept the larger millimeter.
How do I know my tire size in inches?
A standard sized tire will be displayed in inches. A tire that reads 33 x 12.5 R15, is 33-inches in diameter (or tall), 12.5-inches wide, and will fit a 15-inch wheel. The door jam of your vehicle will also indicate what size tires the manufacturer recommends.
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.
How do you read a 265 70R17 tire size?
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 is the difference between 225 and 265 tires?
Registered. Not quite that simple,, 225 and 265 are the width, but 75 or 70 is an aspect ratio of the width to the sidewall so a 225/75/16 is 29in tall, a 265/75/16 will be 31.5in tall, and 265/70/16 will be 30.5in tall. (width divide by 25.4 times aspect ratio divide by 100, times 2 plus rim diameter).
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Are wider tires better?
Larger tires improve handling and cornering, due to wider tread faces and stiffer sidewalls. … Wider tires may also increase acceleration, especially in very powerful vehicles such as muscle cars. Larger wheels with lower profile tires are sometimes aesthetically desirable.
What does the R mean in tire size?
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. 17 The last dimension listed in the size is the diameter of the wheel rim, which is most often measured in inches.
Can I use 245 tires instead of 235?
The quick answer is yes you can replace 245/50-18 tyres with 235/50-18 but they will have 10mm (0.4 in) smaller overall diameter. Will only slightly effect speedo and odometer – ie speedo will read about 1.5% high.