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235/55R18 Sizing Info

235/55R18
Diameter: 28.18 inches
Sidewall Height: 5.09 inches
Radius: 14.09 inches
Rim Diameter: 18.00 inches
Section Width: 9.25 inches
Circumference: 88.52 inches
Rev/Mile: 715.76
Rim Width Range: 6.5″, 7″, 7.5″, 8″, 8.5″
List of 235/55R18 Sized Tires

All of the tires listed below will fit the size you are looking for. 

Michelin CrossClimate2
  • Rating: 4.70 / 5
  • All-Season
Get Free Shipping!
Pirelli Scorpion Verde All Season Plus II
  • Rating: 4.60 / 5
  • Truck/SUV All-Season
Get Free Shipping!
Continental CrossContact LX25
  • Rating: 4.60 / 5
  • Truck/SUV All-Season
Get Free Shipping!
Goodyear Assurance WeatherReady
  • Rating: 4.50 / 5
  • All-Season
Get Free Shipping!
Michelin Defender LTX M/S
  • Rating: 4.50 / 5
  • All-Season
Get Free Shipping!
Firestone Firehawk Indy 500
  • Rating: 4.50 / 5
  • Summer
Get Free Shipping!
Firestone WeatherGrip
  • Rating: 4.50 / 5
  • All-Season
Get Free Shipping!
Firestone Winterforce 2 UV
  • Rating: 4.43 / 5
  • Truck/SUV Snow & Ice
Get Free Shipping!
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Tire Size 235/55R18 in inches

Below are the most common tire sizing information in inches:

235/55R18 Height - How tall is a 235/55R18 tire in inches?

This tire size is 28.177 inches tall.

235/55R18 Width in inches - How wide is a 235/55R18 tire?

This tire size is 9.252 inches wide (tread width).

What's the Sidewall Size of a 235/55R18 Tire in Inches?

This tire size has 5.089 inch sidewalls.

Other Questions About the 235/55R18 Tire Size

Here's some other common questions asked about this tire size:

What size rims fit a 235/55R18 tire?

This tire will fit onto 18 inch wheels.

What is the next size up from 235/55R18?

The tire sizes below are the next sizes up from 235/55R18. The table shows the increase in diameter and width for each option.

Tire SizeDiameter (in)Width (in)Diameter ChangeWidth Change
325/40R1828.23612.795+ 0.059 in+ 3.543 in
265/50R1828.43310.433+ 0.256 in+ 1.181 in
295/45R1828.45311.614+ 0.276 in+ 2.362 in
245/55R1828.6109.646+ 0.433 in+ 0.394 in
305/45R1828.80712.008+ 0.63 in+ 2.756 in

What is the next size down from 235/55R18?

The tire sizes below are the next sizes down from 235/55R18. The table shows the decrease in diameter and width for each option.

Tire SizeDiameter (in)Width (in)Diameter ChangeWidth Change
28x4.5R1828.0004.500- 0.177 in- 4.752 in
28x5R1828.0005.000- 0.177 in- 4.252 in
28x6R1828.0006.000- 0.177 in- 3.252 in
225/55R1827.7448.858- 0.433 in- 0.394 in
215/55R1827.3118.465- 0.866 in- 0.787 in

What does the 235 mean in tire size?

This represents the treadwidth of the tire. The tread is 235mm wide, or 28.177 inches wide.

What does the 55 mean in tire size?

This represents the sidewall height of the tire, as a percentage of the width. The sidewall height is 55% of 235mm, or 129.25mm, which is 5.089 inches.

What does the 18 mean in tire size?

This represents the wheel diameter that this tire size fits on. This tire size is meant to fit a 18 inch wheel.



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