How tall is a 480/80R42 tire?

A 480/80R42 has a nominal overall diameter of 72.24 inches (1835 mm), calculated as the 42-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 480/80R42 tire fit?

A 480/80R42 fits a wheel of 42 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 480/80R42 mean?

480 is the section width in millimetres. 80 is the aspect ratio — the sidewall is 80% of the width, so 384 mm here. R marks the construction (radial). 42 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 480/80R42

Dimensions, specs, and every size 480/80R42 tire currently in stock

Overall Height

72.24"

1835 mm · calculated

Section Width

480 mm

18.9 inches

Sidewall Height

15.12"

384 mm · 80% profile

Wheel Diameter

42"

1066.8 mm

480/80R42 Specifications

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

Specification	Imperial	Metric
Section width	18.9 in	480 mm
Aspect ratio	80%	—
Sidewall height	15.12 in	384 mm
Overall diameter (calculated)	72.24 in	1835 mm
Wheel / rim diameter	42 in	1066.8 mm
Construction	Radial	—

What does 480/80R42 mean?

Reading the code on your sidewall

Section width

480 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 384 mm on this size.

Construction (R)

Radial

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

Wheel diameter

42 in

Fits a wheel measuring 42 inches across.

480/80R42 Questions & Answers

Dimensions and fitment guidelines for size 480/80R42

Tires Size 480/80R42

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Filter & search

480/80R42 Specifications

What does 480/80R42 mean?

480 mm

80% profile

Radial

42 in

480/80R42 Questions & Answers

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