Tire Size Conversion Chart 175R13

175R13 in Inches

Understanding the dimensions of the 175R13 tire size in both metric and imperial units of measurement is an essential part of tire maintenance and replacement. Let us take a closer look at every important aspect of the 175R13 tire to understand what these numbers represent and how they may affect your vehicle's performance.

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What is 175R13 in inches?

When we convert 175R13 to inches, it is equivalent to 24.3x6.9R13 tire size in the high flotation system. 175R13 tires have a diameter of 24.3" (618 mm), a tread width of 6.9" (175 mm), and can be mounted on a wheel with a diameter of 13" (330 mm). The sidewall of the tire is 5.7" (144 mm), and the tire's circumference is 76.3" (1941 mm). This means a 175R13 tire will make 830 revolutions per mile, or 515 revolutions per kilometer.

175R13 Section Width
6.9"
24.3"
175R13 Tire Side
Tire Circumference
76.3"
13"
5.7"
830 Revs/Mile
Metric Inches
Tire Diameter 618 mm 24.3"
Tread Width 175 mm 6.9"
Aspect Ratio 82%
Rim Diameter 330 mm 13"
Sidewall Height 144 mm 5.7"
Circumference 1941 mm 76.3"
Revolutions 515 per km 830 per mile

How to read 175R13 tire size?

Reading a tire size such as can be broken down into three main parts: tread width, aspect ratio and rim diameter.

175 is the width of the tire in millimeters from sidewall to sidewall when it's fully inflated and not under any load. In this example, the tire is 175 millimeters wide.

82 represents the height of the tire's cross-section as a percentage of its width. It means the height is 82% of the tire's width.

R denotes that tire has radial construction.

13 is the diameter of the wheel that the tire fits on, measured in inches. This tire would fit on a 13-inch wheel.

How to convert 175R13 to inches

The 175R13 conversion is very simple. There are 25.4 millimeters in an inch. All we have to do is divide tread width and sidewall height by 25.4 to convert to inches.

To convert the tire width to inches, you divide 175 mm by 25.4, yielding a tire width of approximately 6.9 inches. To find the sidewall height in inches, you calculate 82% of the tire width in millimeters (175 mm), convert this figure to inches as before, resulting in a sidewall height of about 5.7 inches. However, to understand the tire's overall diameter, you need to consider the height of two sidewalls and the diameter of the wheel it fits. Therefore, you multiply the sidewall height by 2 and add the wheel diameter (13 inches), giving you an overall tire diameter of approximately 24.3 inches.

So, when converted to inches, 175R13 tire is 6.9 inches wide, 24.3 inches tall, and fits 13-inch rims.

How wide is a 175R13 tire?

Tire width, also known as section width, is a measurement in millimeters that indicates the width of a tire from one sidewall to the other. It is the first number provided in a tire's size specifications. 175R13 tire has a width of 6.9 inches or 175 mm.

A greater tire width can increase the tire's contact patch with the road, potentially improving grip and handling. However, wider tires can also increase rolling resistance, which could negatively impact fuel efficiency.

Tire Width
Tread width: 6.9"

How tall is a 175R13 tire?

Tire height, also known as the tire's diameter or overall diameter, is the measurement from the ground to the top of the tire. It's essentially the distance from one side of the tire to the other, passing through the center, when it's correctly inflated and not under load. 175R13 tire has a diameter or height of 24.3 inches or 618 mm.

Tire Diameter
Tire height: 24.3"

175R13 Tire Sidewall Height

Tire sidewall height, also known as the tire's aspect ratio, is the measurement of the height of the tire's cross-section or the height of the tire from the rim to the tread. It is typically represented as a percentage of the tire's width. 175R13 tire has a sidewall height of 5.7 inches or 144 mm.

Sidewall height (also known as tire profile) can greatly affect a tire's driving characteristics. Lower profile tires (30 or 35 series) often provide better handling but can give a harsher ride, while higher profile tires (65 or 70 series) generally provide a smoother ride but with less precise handling.

Tire Sidewall Height
Sidewall height: 5.7"

What size rim fits a 175R13 tire?

The rim diameter refers to the diameter of the wheel on which a tire is mounted. It is the distance from one edge of the rim to the opposite edge, passing through the center of the wheel. 175R13 tire can be mounted on 13-inch wheels.

The rim diameter is crucial not only for fitting the tire properly but also plays a role in determining the overall performance of the vehicle, including its handling and ride quality.

Rim Diameter
Rim diameter: 13"

175R13 Tire Circumference

Tire circumference refers to the distance around the outer edge of a tire. It is the measurement of the entire circumference or perimeter of the tire when it is inflated and mounted on a wheel. 175R13 tire has a circumference of 76.3 inches or 1941 mm.

Tire Circumference
Tire circumference: 76.3"

How many revolutions does a 175R13 tire make?

Tire revolutions refer to the number of complete rotations a tire makes while the vehicle is in motion. It is a measure of the distance covered by the tire. 175R13 tire completes 830 revolutions per mile or 515 revolutions per kilometer.

Tire revolutions are often used in various calculations related to vehicle dynamics, such as determining the distance traveled, estimating fuel consumption, or calculating the speed of the vehicle based on the rotation of the tires. Tire revolutions can also be tracked or monitored by certain vehicle systems, such as the anti-lock braking system (ABS) or the vehicle's onboard computer, for various purposes.

Tire Revolutions
Tire revolutions: 830 per mile

More 13-inch Tire Conversions

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