How tall is a 235/80R17 tire?

A 235/80R17 has a nominal overall diameter of 31.8 inches (808 mm), calculated as the 17-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 235/80R17 tire fit?

A 235/80R17 fits a wheel of 17 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 235/80R17 mean?

235 is the section width in millimetres. 80 is the aspect ratio — the sidewall is 80% of the width, so 188 mm here. R marks the construction (radial). 17 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 235/80R17

Dimensions, specs, and every size 235/80R17 tire currently in stock

Overall Height

31.8"

808 mm · calculated

Section Width

235 mm

9.25 inches

Sidewall Height

7.4"

188 mm · 80% profile

Wheel Diameter

17"

431.8 mm

235/80R17 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	80%	—
Sidewall height	7.4 in	188 mm
Overall diameter (calculated)	31.8 in	808 mm
Wheel / rim diameter	17 in	431.8 mm
Construction	Radial	—

What does 235/80R17 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

80% profile

The sidewall stands 80% of the section width, which is 188 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 in

Fits a wheel measuring 17 inches across.

235/80R17 Questions & Answers

Dimensions and fitment guidelines for size 235/80R17

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