TreadSize

245/35R18 tire size

245/35R18 in inches: 24.75" overall diameter — 9.65" wide, 3.38" sidewall.

Overall diameter 24.75 in 628.7 mm
Section width 9.65 in 245 mm
Sidewall height 3.38 in 85.75 mm
Revs / mile 815 speedo calibration

Full dimensions

Measurement Metric Imperial
Overall diameter 628.7 mm 24.75 in
Section width 245 mm 9.65 in
Sidewall height 85.75 mm 3.38 in
Rim diameter 457.2 mm 18 in
Circumference 1975.1 mm 77.76 in
Revolutions per mile 814.8
Aspect ratio 35%

Compare 245/35R18 to similar sizes

Frequently asked questions

What is the overall diameter of a 245/35R18 tire?

A 245/35R18 tire has an overall diameter of 24.75 inches (628.7 mm).

How tall is a 245/35R18 tire?

The sidewall height is 85.75 mm (3.38 inches), and the overall diameter from the ground to the top of the tire is 24.75 inches.

How many revolutions per mile does a 245/35R18 tire make?

A 245/35R18 tire makes approximately 815 revolutions per mile. Your speedometer is calibrated to this number.

What rim size does a 245/35R18 tire fit?

A 245/35R18 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.