How tall is a 305/35R22 tire?

A 305/35R22 has a nominal overall diameter of 30.4 inches (772 mm), calculated as the 22-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 305/35R22 tire fit?

A 305/35R22 fits a wheel of 22 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 305/35R22 mean?

305 is the section width in millimetres. 35 is the aspect ratio — the sidewall is 35% of the width, so 106.8 mm here. R marks the construction (radial). 22 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 305/35R22

Dimensions, specs, and every size 305/35R22 tire currently in stock

Overall Height

30.4"

772 mm · calculated

Section Width

305 mm

12.01 inches

Sidewall Height

4.2"

106.8 mm · 35% profile

Wheel Diameter

22"

558.8 mm

305/35R22 Specifications

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

Specification	Imperial	Metric
Section width	12.01 in	305 mm
Aspect ratio	35%	—
Sidewall height	4.2 in	106.8 mm
Overall diameter (calculated)	30.4 in	772 mm
Wheel / rim diameter	22 in	558.8 mm
Construction	Radial	—

What does 305/35R22 mean?

Reading the code on your sidewall

Section width

305 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 106.8 mm on this size.

Construction (R)

Radial

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

Wheel diameter

22 in

Fits a wheel measuring 22 inches across.

305/35R22 Questions & Answers

Dimensions and fitment guidelines for size 305/35R22

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