How tall is a 215/35ZR18 tire?

A 215/35ZR18 has a nominal overall diameter of 23.92 inches (608 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 215/35ZR18 tire fit?

A 215/35ZR18 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 215/35ZR18 mean?

215 is the section width in millimetres. 35 is the aspect ratio — the sidewall is 35% of the width, so 75.3 mm here. ZR marks the construction (radial). 18 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 215/35ZR18

Dimensions, specs, and every size 215/35ZR18 tire currently in stock

Overall Height

23.92"

608 mm · calculated

Section Width

215 mm

8.46 inches

Sidewall Height

2.96"

75.3 mm · 35% profile

Wheel Diameter

18"

457.2 mm

215/35ZR18 Specifications

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

Specification	Imperial	Metric
Section width	8.46 in	215 mm
Aspect ratio	35%	—
Sidewall height	2.96 in	75.3 mm
Overall diameter (calculated)	23.92 in	608 mm
Wheel / rim diameter	18 in	457.2 mm
Construction	Radial	—

What does 215/35ZR18 mean?

Reading the code on your sidewall

Section width

215 mm

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

Aspect ratio

35% profile

The sidewall stands 35% of the section width, which is 75.3 mm on this size.

Construction (ZR)

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.

215/35ZR18 Questions & Answers

Dimensions and fitment guidelines for size 215/35ZR18

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