How tall is a 235/60R18 tire?

A 235/60R18 has a nominal overall diameter of 29.1 inches (739 mm), calculated as the 18-inch wheel plus two sidewalls. This is the unloaded figure — a fitted tire sits fractionally shorter under the weight of the vehicle.

What wheel size does a 235/60R18 tire fit?

A 235/60R18 fits a wheel of 18 inches in diameter. The wheel also has to be within the rim width range the manufacturer publishes for this size, which is printed in the tire's spec sheet.

What do the numbers in 235/60R18 mean?

235 is the section width in millimetres. 60 is the aspect ratio — the sidewall is 60% of the width, so 141 mm here. R marks the construction (radial). 18 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 235/60R18

Dimensions, specs, and every size 235/60R18 tire currently in stock

Overall Height

29.1"

739 mm · calculated

Section Width

235 mm

9.25 inches

Sidewall Height

5.55"

141 mm · 60% profile

Wheel Diameter

18"

457.2 mm

235/60R18 Specifications

Read directly from the size code. Load index, speed rating, and rim width range vary by model.

Specification	Imperial	Metric
Section width	9.25 in	235 mm
Aspect ratio	60%	—
Sidewall height	5.55 in	141 mm
Overall diameter (calculated)	29.1 in	739 mm
Wheel / rim diameter	18 in	457.2 mm
Construction	Radial	—

What does 235/60R18 mean?

Reading the code on your sidewall

Section width

235 mm

The distance from sidewall to sidewall across the tire's widest point.

Aspect ratio

60% profile

The sidewall stands 60% of the section width, which is 141 mm on this size.

Construction (R)

Radial

The body plies run across the tire at right angles to the direction of travel.

Wheel diameter

18 in

Fits a wheel measuring 18 inches across.

235/60R18 Questions & Answers

Dimensions and fitment guidelines for size 235/60R18

Customer Support & Fitment Advice

Need Help Choosing The Right Tires?

Have questions about fitment, brands, or pricing? Our team of tire experts is here to guide you to the perfect set — zero pressure, zero sales tactics.

Free Fitment Advice

Talk to a Tire Specialist Today

We make tire buying fast and effortless. Call or email us (Mon – Sat, 9AM – 5PM PT) to check size compatibility, load index, or speed ratings for your vehicle.

Call Direct

(916) 520-1702

Send Email

info@natireshub.com

Mon – Sat, 9AM – 5PM PT