Tire size comparator. Wheel Offset Calculator

Vintage Tire Size Conversion Chart

Tire size comparator

These bushings are available in fourteen sizes from. The best way to ensure a 100% correct look for your antique car is to buy reproduction vintage tires in the originally recommended size. Stands for Uniform Tire Quality Grading, a rating system developed by the U. Consult your owner's manual or tire placard for the recommended tire size and inflation pressure for your vehicle. These indicators can be easily found on the sidewalls of your tires.

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Wheel Offset Calculator

Tire size comparator

The rim edge, or lip, extends past the tire bead seat to hold the bead and stop the tire slipping off the rim. How to use the tire calculator? It is because we do not recommend using the tires which differ from your current tires in size more than 3%. Finding your tire size is simple. Just input any two tires, metric or standard, and click the button. If the mounting surface is closer to the face of the wheel it is known to have a positive offset and if the mounting point is closer to the inside of the wheel it has a negative offset. Metric tire sizes are a bit demanding when it comes to understanding what size they really are.

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TIRE SIZE COMPARATOR

Tire size comparator

It can put your life in risk while you are driving. For example, a tire with a treadwear grade of 200 should last twice as long as a tire with a treadwear grade of 100. Our tire size comparison calculator takes two tire sizes and directly calculates the differences between the tires diameter, width, sidewall, circumference and revolutions per mile. This is the diameter of the rims bead seat base, not the diameter of the outer rim edge. .

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Tire Size and Comparison Calculator

Tire size comparator

Enjoy this page for all your tire size comparison needs. Let us help you read your tire size to find the right tire for your vehicle. The third field is for disc diameter in inches. In the first box you need to choose tire width in inches. It allows the user to compare two different tires. The first number is the tire width in millimeters. Also check out our or the to help you convert metric to inches, and to see suggested tire sizes in the range you are comparing.

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Tire Size Comparison

Tire size comparator

A wheel's width is from the mounting points of the tire beads, therefore the measured width of a wheel from outside edge to outside edge is about an inch wider than spec. The bigger the aspect ratio, the bigger the tire's sidewall will be. Try searching by your vehicle's tire size instead. If a tire size has no letters at the beginning, this indicates a Euro metric tire. Center or no offset is when the mounting point is directly on the centerline of the wheel.

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How To Read Tire Sizes

Tire size comparator

In addition, it provides actual speed versus speedometer readings if the tire sizes are different. Then as a bonus it shows examples of your speedometer reading with the first tire, and the actual speed you're traveling if you were to install the second tire. Diameter Variance The overall diameter variance of the new tire is , which is different than the original. We only use an offset input for the calculator, so if you know the backspacing and not the offset simply convert it and input the offset into the field. In the second row you need to specify the size of the new tires, or the tires that you are going to buy. The second box is for height and width ratio in percentages. Those numbers are only good with the other two.

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