How tall is a 520/85R46 tire?

A 520/85R46 has a nominal overall diameter of 80.8 inches (2052 mm), calculated as the 46-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 520/85R46 tire fit?

A 520/85R46 fits a wheel of 46 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 520/85R46 mean?

520 is the section width in millimetres. 85 is the aspect ratio — the sidewall is 85% of the width, so 442 mm here. R marks the construction (radial). 46 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 520/85R46

Dimensions, specs, and every size 520/85R46 tire currently in stock

Overall Height

80.8"

2052 mm · calculated

Section Width

520 mm

20.47 inches

Sidewall Height

17.4"

442 mm · 85% profile

Wheel Diameter

46"

1168.4 mm

520/85R46 Specifications

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

Specification	Imperial	Metric
Section width	20.47 in	520 mm
Aspect ratio	85%	—
Sidewall height	17.4 in	442 mm
Overall diameter (calculated)	80.8 in	2052 mm
Wheel / rim diameter	46 in	1168.4 mm
Construction	Radial	—

What does 520/85R46 mean?

Reading the code on your sidewall

Section width

520 mm

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

Aspect ratio

85% profile

The sidewall stands 85% of the section width, which is 442 mm on this size.

Construction (R)

Radial

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

Wheel diameter

46 in

Fits a wheel measuring 46 inches across.

520/85R46 Questions & Answers

Dimensions and fitment guidelines for size 520/85R46

Tires Size 520/85R46

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Filter & search

520/85R46 Specifications

What does 520/85R46 mean?

520 mm

85% profile

Radial

46 in

520/85R46 Questions & Answers

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