How do you match a tire to a rim?
How do you match a tire to a rim? Multiply the width in inches by 25.4 (the number of millimeters per inch). This calculation gives you the first number in the tire size. Typically, you can add up to 10 millimeters to the width. So if you had an 8.5-inch rim, the section width range you can safely use is between 215 and 225. What do you need to know about wheel size? Wheel-Size.com is a Wheel Guide and catalogue. We strive to help you get the information you need about PCD, offset, rims and all other wheel and tire...