235/40R18 Tires

Find out if 235/40R18 fits your vehicle. Check out 235/40R18 tire size specifications and suggested replacement sizes.

What are 235/40R18 dimensions?

235/40R18 tire has a section width of 9.3 inches, a rim diameter of 18 inches, a sidewall height of 3.7 inches, an overall diameter of 25.4 inches, and a circumference of 79.8 inches, making 794 revolutions per mile.

9.3"

25.4"

79.8"

18"

3.7"

794 Revs/Mile

	Metric	Inches
Overall Diameter	645 mm	25.4"
Tread Width	235 mm	9.3"
Aspect Ratio	40 %
Rim Diameter	457.2 mm	18"
Sidewall Height	94 mm	3.7"
Circumference	2025.3 mm	79.8"
Revolutions	494 per km	794 per mile

What is 235/40R18 in inches?

235/40R18 in inches is equivalent to 25.4x9.3R18.

What are replacement tire sizes for 235/40R18?

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 235/40R18 size.

What cars does 235/40R18 tire size fit?

There are 37 car models that use 235/40R18 as original equipment tire size. Select your vehicle model for more details.