225/45R18 Tires

Find out if 225/45R18 fits your vehicle. Check out 225/45R18 tire size specifications and suggested replacement sizes.

What are 225/45R18 dimensions?

225/45R18 tire has a section width of 8.9 inches, a rim diameter of 18 inches, a sidewall height of 4 inches, an overall diameter of 25.9 inches, and a circumference of 81.3 inches, making 779 revolutions per mile.

225/45R18 Section Width
225/45R18 Tire Side
Tire Circumference
779 Revs/Mile
Metric Inches
Overall Diameter 659 mm 25.9"
Tread Width 225 mm 8.9"
Aspect Ratio 45 %
Rim Diameter 457.2 mm 18"
Sidewall Height 101 mm 4"
Circumference 2069.3 mm 81.3"
Revolutions 483 per km 779 per mile

What is 225/45R18 in inches?

225/45R18 in inches is equivalent to 25.9x8.9R18.

What are replacement tire sizes for 225/45R18?

Replacement tires have to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of similar tire sizes that are within optimal characteristics of the original 225/45R18 size.

What cars does 225/45R18 tire size fit?

There are 65 car models that use 225/45R18 as original equipment tire size. Select your vehicle model for more details.