Convert metric or inch tire sizes and view the results with our tire visualizer. Compare tire conversions to alternate sizes or use the plus sizing tab to find tire size equivalents for different wheel sizes.

Convert a tire size from metric to inches or vice-versa using our tire conversion calculator. Plus, see the steps to convert it yourself!

Easy to use tire size conversion chart with visual comparison of tire diameter, tread width, sidewall height and rim size in inches and millimeters.

Compare two tire sizes to calculate diameter differences, speedometer error, and find alternative compatible sizes. Our comprehensive tire size calculator provides visual comparisons, speedometer …

Convert tire sizes from metric to inches using our free tire size conversion calculator. Fast, accurate, and easy to use.

Our tire size calculator will help you estimate the difference of external dimensions of the wheels, height clearance, revolutions per mile and other characteristics, when installing tires of other sizes on your …

Use this calculator to compare the sizes of two tires both numerically and visually. Car tires are described by an alphanumeric code, as shown in the figure below.

Enter a tire size or vehicle to get instant diameter, sidewall, circumference, revs per mile, and speedometer difference—plus safe alternative sizes. Free tire comparison tool, no sign-in.

Use our tire size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tire. Just type in a metric or standard size tire and click calculate.

Enter your tire size information into one side of the tire size converter below to convert metric tire sizes to inches or inch tire sizes to their metric equivalents.