How tall is a 235/75R17.5 tire?

A 235/75R17.5 has a nominal overall diameter of 31.38 inches (797 mm), calculated as the 17.5-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 235/75R17.5 tire fit?

A 235/75R17.5 fits a wheel of 17.5 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 235/75R17.5 mean?

235 is the section width in millimetres. 75 is the aspect ratio — the sidewall is 75% of the width, so 176.3 mm here. R marks the construction (radial). 17.5 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 235/75R17.5

Dimensions, specs, and every size 235/75R17.5 tire currently in stock

Overall Height

31.38"

797 mm · calculated

Section Width

235 mm

9.25 inches

Sidewall Height

6.94"

176.3 mm · 75% profile

Wheel Diameter

17.5"

444.5 mm

235/75R17.5 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	75%	—
Sidewall height	6.94 in	176.3 mm
Overall diameter (calculated)	31.38 in	797 mm
Wheel / rim diameter	17.5 in	444.5 mm
Construction	Radial	—

What does 235/75R17.5 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

75% profile

The sidewall stands 75% of the section width, which is 176.3 mm on this size.

Construction (R)

Radial

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

Wheel diameter

17.5 in

Fits a wheel measuring 17.5 inches across.

235/75R17.5 Questions & Answers

Dimensions and fitment guidelines for size 235/75R17.5

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