View Here : Different Tire Sizes
AA is the aspect ratio or profile of the tire, which expresses the tire’s height as a percentage of its width. X is a letter indicating the tire’s internal construction. DD is the diameter in inches of the wheel that the tire is intended to be mounted on. An example of a tire size written in this format is 225/50R16.
Actual. Well that depends on a few things. Metric tire sizes are a bit demanding when it comes to understanding what size they really are. Those numbers are only good with the other two. A 33 is a 33 no matter what, but a 265/70/16 is a 30 1/2" tall tire and a 265/75R17 is a 32 1/2" tall tire.
The Effects of Putting Different Tire Sizes on Your Car Handling Issues. Tire size can vary by width and height, and although a specific tire is usually... Speedometer Variations. Taller or shorter tires than recommended will throw off... Other Serious Effects. The most serious effects occur when ...
The first number on a metric tire is the width in millimeters. Divide this number by 25.4 to get the inch equivalent as there is 25.4 mm in 1 inch. The third number generally preceded by an "R" is the wheel diameter. The sidewall or aspect ratio are used in metric tire sizes to determine the overall height of a tire.
Using alternative tires from different tire performance categories, with alternate sizes or different speed ratings can unbalance the vehicles handling in poor weather or when pushed to the limit in an emergency.
Tire Tech: Diameter Comparison of Light Truck Tire Sizes Tire diameters provided are typical for the tire size. However, different tread designs and molded tread depths can result in slightly different overall tire diameters.
Sidewall Aspect Ratio. The higher the number, the taller the sidewall; the lower the number, the lower the sidewall. We know that this tire size's section width is 225mm and that its section height is 50% of 225mm. By converting the 225mm to inches (225 / 25.4 = 8.86") and multiplying it by 50% (.
Immediately available tire sizes that are with in plus or minus 3% variance will be displayed. Select the tire sizes to compare to your stock size and click 'Compare Selected Sizes'. Tire Calculator Notes: Tire diameter can vary slightly for each tire model. The listed diameters are from calculations based on the tire size. When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. Any more than this and you face the risk of brake failure.
6 Common Tire Myths Debunked. PM contributor Mac Demere, who worked at one of the big tire companies for years, corrects a few commonly held misconceptions you might have about your tires.
Snow tires tend to become much more expensive at sizes larger than 17 inches. In addition, the narrower the tire, the more effective it tends to be on snow and ice. So if you have 18- or 19-inch wheels and want an extra set of wheels for snow tires, it could be a good idea to go down to 17- or 16-inch wheels.