How do you measure tire size on a car?

The tire size for your vehicle and wheels can be found in two places:

2. Inside frame of the driver side door.

How is a 20 inch tire measured?

The 20 inches refers to the bead seat diameter, and is achieved by deducting the rim lip height. The wheel needs to be bare (sans tire) in order to measure diameter accurately. Thankfully, most wheels are labeled with rim diameter on the backside of the casting or via a stamping or a label.

What does a 33 inch tire mean?

The first number is your overall diameter of the tire. In this example the tire diameter or “height” is 33 inches tall. The second number represents the width of the tire. The final number simply is the wheel size or “diameter”of the wheel that the tire will fit on.

What does 12.5 mean on a tire?

In example “A” this reads 12.50, meaning the tire width is 12 and 1/2 inches. The final number simply is the wheel size or “diameter” of the wheel that the tire will fit on.

You might be interested:  FAQ: How To Rent A Sports Car In Rome?

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.

Are 33 inch tires the same as 285?

YES, 285 wide tires are the same as 33” tires although 285 is the tread width in millimeters and 33″ is the tire diameter. 285/75/16 is usually the accepted metric equivalent size for 33’s.

What is the most common tire size?

According to 2017 stats from TRAC (Tire and Rubber Association of Canada), below are the most popular tire sizes listed in order of popularity: 225/65R17, LT265/70R17, 265/70R17, LT245/75/R16, LT275/70R18, LT225/75R16, 235/65R17, 275/55R20, LT275/65R18, 215/70R16, 245/60R18.

What is the difference between a 265 and 285 tire?

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?

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.

You might be interested:  FAQ: What Sports Car Does Cadillac Make?

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.

What does the R or D mean in a tire size?

The difference between the two trailer tire sizes is that the letter D in the first size you listed ST205/75D15 stands for bias ply and the letter R in the tire size that they put on your vehicle stands for radial. A radial tire will normally run cooler than a bias ply tire, especially when the tire is under a load.