315/50R24 Tire Size in Inches and Millimeters

315/50R24 tires have a diameter of 36.5" (926 mm), a tread width of 12.4" (315 mm), and a wheel diameter of 24" (609.6 mm).The sidewall of the tire is 6.2" (158 mm), and the tire's circumference is 114.6" (2907.6 mm). This means a 315/50R24 tire will make make 553 revolutions per mile, or 344 revolutions per kilometer.

315/50R24 Tire Front
12.4"
36.5"
315/50R24 Tire Side
Tire Circumference
114.6"
24"
6.2"
553 Revs/Mile
SpecInchesMetric
Diameter36.5"926 mm
Width12.4"315 mm
Wheel24"609.6 mm
Sidewall6.2"158 mm
Circum114.6"2907.6 mm
Revolutions553 per mile344 per km

What Does 315/50R24 Mean?

The tire size 315/50R24 is a common size used on many trucks, SUVs, and other larger vehicles.

Here is what each part of the size designation represents:

  • 315: This number represents the width of the tire in millimeters. In this case, the tire is 315 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.
  • 24: 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 24-inch wheel.

315/50R24 tire size meaning

How To Convert 315/50R24 Into Inches

The 315/50R24 conversion is fairly simple. The first number in the tire size, 315, represents the width of the tire in millimeters. To convert this to inches, we divide 315 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 12.4 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 12.4 by 0.50, which gives us approximately 6.2 inches.

Finally, the last number in the tire size, 24, represents the diameter of the wheel rim in inches. Therefore, the tire size 315/50R24 can be expressed in inches as roughly 12.4 inches wide, 6.2 inches tall, and designed to fit a 24-inch wheel rim.

Frequently Asked Questions About 315/50R24 Tires

How tall is a 315/50R24 tire?

A 315/50R24 tire has an approximate height, also known as the overall diameter, of 36.5 inches (926 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 315/50R24 tire?

A 315/50R24 tire has a width of approximately 12.4 inches (315 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “315”. 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 315/50R24 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
255/30R3036.1"916 mm30 mm
275/25R3035.4"900 mm30 mm
305/75R1836"915 mm18 mm
315/30R3037.5"952 mm30 mm
315/40R2635.9"912 mm26 mm
315/50R2436.5"926 mm24 mm
315/70R1835.4"899 mm18 mm
315/70R2037.4"950 mm20 mm
325/35R2837"939 mm28 mm
325/45R2435.5"902 mm24 mm
325/55R2236.1"917 mm22 mm
325/60R2237.4"949 mm22 mm
325/80R1636.5"926 mm16 mm
335/55R2236.5"927 mm22 mm
345/45R2436.2"920 mm24 mm
345/75R1636.4"924 mm16 mm
355/40R2637.2"944 mm26 mm
355/60R2036.8"934 mm20 mm
355/65R1836.2"919 mm18 mm
355/70R1635.6"904 mm16 mm
355/70R1736.6"930 mm17 mm
365/70R1636.1"918 mm16 mm
375/40R2435.8"910 mm24 mm
375/55R2036.2"920 mm20 mm
375/60R1835.7"907 mm18 mm
385/70R1637.2"946 mm16 mm