TreadSize

215/50R18 tire size

215/50R18 in inches: 26.46" overall diameter — 8.46" wide, 4.23" sidewall.

Overall diameter 26.46 in 672.2 mm
Section width 8.46 in 215 mm
Sidewall height 4.23 in 107.5 mm
Revs / mile 762 speedo calibration

Full dimensions

Measurement Metric Imperial
Overall diameter 672.2 mm 26.46 in
Section width 215 mm 8.46 in
Sidewall height 107.5 mm 4.23 in
Rim diameter 457.2 mm 18 in
Circumference 2111.8 mm 83.14 in
Revolutions per mile 762.1
Aspect ratio 50%

Compare 215/50R18 to similar sizes

Frequently asked questions

What is the overall diameter of a 215/50R18 tire?

A 215/50R18 tire has an overall diameter of 26.46 inches (672.2 mm).

How tall is a 215/50R18 tire?

The sidewall height is 107.5 mm (4.23 inches), and the overall diameter from the ground to the top of the tire is 26.46 inches.

How many revolutions per mile does a 215/50R18 tire make?

A 215/50R18 tire makes approximately 762 revolutions per mile. Your speedometer is calibrated to this number.

What rim size does a 215/50R18 tire fit?

A 215/50R18 tire is designed for a 18-inch rim (457.2 mm).

All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.