FAQ: What Do The Numbers On Tires Mean Diagram?

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. 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 do the numbers on a tire stand for?

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.

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Can I use 60 instead of 65 tires?

Physically, yes they will fit. It is recommended to stay within 3% of the original tire size on the car though. The size you have is 3.09% smaller, so not recommended. You could go with 205/60-15 though if you can get a better deal on that size.

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.

How tall is a 17 inch tire?

17 INCH TIRES TIRE HEIGHT
225 35 17 23.20
245 35 17 23.75
315 35 17 25.68
335 35 17 26.23

Can I put 2 different size tires on my car?

Long story short: Yes, it is a problem to have two tires of different sizes on the front (or back) of your car. Having two differentsized tires on the same axle is generally not a good thing. Sometimes, people choose to put larger tires on the rear axle of their vehicle for handling reasons, cosmetic reasons, etc.

Which tire is bigger 235 or 255?

The 255 looks so much bigger than the 235. I know the size difference is only 3/4″, but it looks like much more in this picture? Or maybe it’s just the angle? It’s a bit deceptive because of the angle, but the tires are two different types as well.

Can I put wider tires on my stock rims?

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.

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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.

Does changing tire size affect transmission?

Changing tire size doesn’t affect your transmission, but it does change your final drive ratio. The effect is the same as if you had changed your transmission. Larger tires will lower your final drive ratio. (as if all your gears were “higher”) Your car will go further with each revolution of the tire.

Can I use 265 70R17 instead of 265 65r17?

Chains usually fit multiple sizes, so just check on the box if your tire size is listed. They’re usually for a range of sizes, so one’s that fit 265/65r17 would probably fit 265/70r17 as well, unless the 65 series is the max out for that chain.

Are 60 or 70 tires wider?

Generally speaking, a 215-60 series tire is wider and has a shorter sidewall then a 215-70 series tire would be and a 215-75 series tire would be taller and narrower then either the 70 series or the 60 series.

What is the difference between a 60 and a 65 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.

Are 70 or 65 tires wider?

The main thing is that the 70 is a little taller than the 65, width is the same.

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