Tire size 155/80R13 in inches and mm

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First published: 04/09/2023 - Updated on: 04/28/2024
Attribute American European
Rim Size 13 in 330.2 mm
Width 6.1 in 155 mm
Sidewall 4.9 in 124 mm
Diameter 22.8 in 579.1 mm
Circumference 71.5 in 1816.1 mm
Revolutions per Mile 886 551 per km

Tire size 155/80R13 explained in detail

The tire size 155/80R13 has the following key attributes: diameter, width, wheel (rim), sidewall, circumference, and revs per mile (rpm). Each of these attributes plays a critical role in determining the tire’s performance, appearance, and compatibility with the vehicle.

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155/80R13 Diameter

The diameter for the 155/80R13 tire is 22.8 in (579.1 mm). The diameter represents the distance from one end of the tire to the other, passing through the center. It is essential to choose a tire with the correct diameter, as it can impact the overall performance, ride comfort, and vehicle clearance.

155/80R13 Width

With a width of 6.1 in (155 mm), the 155/80R13 tire’s width measures the distance between the inner and outer sidewalls at the widest point. The width of a tire affects its contact patch with the road, which can influence traction, handling, and fuel efficiency.

155/80R13 Wheel (Rim)

The 155/80R13 tire is designed to fit a wheel (or rim) with a diameter of 13 in (330.2 mm). The wheel supports the tire and provides a mounting point to the vehicle’s suspension. It is crucial to select a tire that matches the wheel size, as improper fitment can lead to safety concerns and reduced performance.

155/80R13 Sidewall

The sidewall of the 155/80R13 tire measures 4.9 in (124 mm) from the edge of the wheel to the outer surface of the tire. The sidewall height affects ride comfort, handling, and the tire’s ability to absorb road irregularities. A shorter sidewall generally offers better handling and a firmer ride, while a taller sidewall can provide a smoother, more comfortable ride.

155/80R13 Circumference

The circumference of the 155/80R13 tire is 71.5 in (1816.1 mm), which represents the total distance around the outer edge of the tire. The circumference can impact the tire’s rolling resistance, which affects fuel efficiency and overall performance.

155/80R13 Revs per Mile (RPM)

The 155/80R13 tire has 886 rpm (550.5 per km), which indicates the number of times the tire rotates as the vehicle travels one mile. This value is useful for calculating speedometer and odometer accuracy, as well as determining the impact of tire size on the vehicle’s gearing and performance.

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Please note that these values are specific to the tire size 155/80R13. It is crucial to choose the correct tire size for your vehicle, as improper fitment can lead to reduced performance, safety concerns, and even damage to your vehicle. Always consult your vehicle’s owner’s manual or a professional tire retailer to determine the appropriate tire size for your application.

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