175/50R13 Tire Size in Inches and Millimeters

175/50R13 tires have a diameter of 19.9" (506 mm), a tread width of 6.9" (175 mm), and a wheel diameter of 13" (330.2 mm).The sidewall of the tire is 3.5" (88 mm), and the tire's circumference is 62.5" (1588.8 mm). This means a 175/50R13 tire will make make 1014 revolutions per mile, or 629 revolutions per kilometer.

175/50R13 Tire Front
6.9"
19.9"
175/50R13 Tire Side
Tire Circumference
62.5"
13"
3.5"
1014 Revs/Mile
SpecInchesMetric
Diameter19.9"506 mm
Width6.9"175 mm
Wheel13"330.2 mm
Sidewall3.5"88 mm
Circum62.5"1588.8 mm
Revolutions1014 per mile629 per km

What Does 175/50R13 Mean?

The tire size 175/50R13 is a common size used on many trucks, SUVs, and other larger vehicles.

Here is what each part of the size designation represents:

  • 175: This number represents the width of the tire in millimeters. In this case, the tire is 175 millimeters wide.
  • 50: This number represents the aspect ratio of the tire, which is the height of the tire's sidewall as a percentage of its width. In this case, the sidewall height is 50% of the tire's width.
  • R: This letter indicates the tire's construction type. “R” stands for radial construction, which is the most common type of tire construction today.
  • 13: This number represents the diameter of the wheel that the tire is designed to fit on, in inches. In this case, the tire is designed to fit on a 13-inch wheel.

175/50R13 tire size meaning

How To Convert 175/50R13 Into Inches

The 175/50R13 conversion is fairly simple. The first number in the tire size, 175, represents the width of the tire in millimeters. To convert this to inches, we divide 175 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 6.9 inches.

The second number in the tire size, 50, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 6.9 by 0.50, which gives us approximately 3.5 inches.

Finally, the last number in the tire size, 13, represents the diameter of the wheel rim in inches. Therefore, the tire size 175/50R13 can be expressed in inches as roughly 6.9 inches wide, 3.5 inches tall, and designed to fit a 13-inch wheel rim.

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Forceum Ecosa All-Season Touring Radial Tire-175/70R13 175/70/13 175/70-13 82H Load Range SL 4-Ply BSW Black Side Wall
Forceum Ecosa All-Season Touring Radial Tire-175/70R13 175/70/13 175/70-13 82H Load Range SL 4-Ply BSW Black Side Wall
Treadlife: 45,000 miles; Season: All Season; Performance: Touring; Car Type: Passenger; Load Range SL, 4-Ply Rated, 4-PR
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Yokohama A539 175/50/13 Tire Classic Austin Mini, Sprite or Midget Ships USA. If You Want handling and Performance- This is it!
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Treadlife: N/A; Season: All Season; Performance: High Performance; Car Type: Truck/SUV; Load Range XL, 4-Ply Rated, 4-PR
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Frequently Asked Questions About 175/50R13 Tires

How tall is a 175/50R13 tire?

A 175/50R13 tire has an approximate height, also known as the overall diameter, of 19.9 inches (506 mm). This height can vary slightly depending on the brand and model of the tire, as well as the amount of air pressure in the tire.

How wide is a 175/50R13 tire?

A 175/50R13 tire has a width of approximately 6.9 inches (175 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “175”. It’s important to note that the actual width of the tire may vary slightly depending on the brand and model of the tire, and the width may also be affected by the amount of air pressure in the tire.

Alternate 175/50R13 Replacement Tire Sizes

Upsizing your wheels or tires? Replacement tires must be within 3% of the diametor of the original tire. The following sizes fall within that range - click on any size to see detailed info about that tire and wheel combination.

SizeDiameterWidthWheel
105/70R1419.8"504 mm14 mm
105/80R1319.6"498 mm13 mm
115/70R1420.4"518 mm14 mm
125/80R1219.9"505 mm12 mm
135/70R1320.5"520 mm13 mm
135/80R1220.5"521 mm12 mm
145/60R1319.8"504 mm13 mm
145/65R1320.4"518 mm13 mm
145/70R1220"509 mm12 mm
155/80R1019.8"502 mm10 mm
165/55R1320.2"512 mm13 mm
165/60R1219.8"503 mm12 mm
175/50R1319.9"506 mm13 mm
195/40R1420.2"512 mm14 mm
195/45R1319.9"506 mm13 mm