Browse our tire conversion charts by wheel size or tire diameter to find the tire conversion you're looking for. Every tire size is listed with its metric measurements and inch size equivalent.

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

Comprehensive tire sizes chart with conversions, measurements, and reference data. Complete guide to tire dimensions, load ratings, speed ratings, and compatibility.

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

Use our tire size calculator or tire size chart to do a quick side-by-side tire size comparison. If you plan on upsizing or downsizing your tires, our tire calculator can help you make sure you get the ideal tire …

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.

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.

Our easy to use tire size conversion calculator will help you get the equivalent dimensions of any metric tire size in inches. Enter tire size below to convert it to inches, or browse the tire size conversion chart.

Convert and compare different tire sizes. Parameters include width, circumference, aspect ratio, diameter, radius, wheel diameter, speed and sidewall height of metric and standard tires.

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.