315/30R22 Tire Size in Inches and Millimeters

315/30R22 tires have a diameter of 29.5" (749 mm), a tread width of 12.4" (315 mm), and a wheel diameter of 22" (558.8 mm).The sidewall of the tire is 3.7" (95 mm), and the tire's circumference is 92.6" (2351.9 mm). This means a 315/30R22 tire will make make 684 revolutions per mile, or 425 revolutions per kilometer.

315/30R22 Tire Front
315/30R22 Tire Side
Tire Circumference
684 Revs/Mile
Diameter29.5"749 mm
Width12.4"315 mm
Wheel22"558.8 mm
Sidewall3.7"95 mm
Circum92.6"2351.9 mm
Revolutions684 per mile425 per km

What Does 315/30R22 Mean?

The tire size 315/30R22 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.
  • 30: 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 30% 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.
  • 22: 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 22-inch wheel.

315/30R22 tire size meaning

How To Convert 315/30R22 Into Inches

The 315/30R22 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, 30, 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 0.30, which gives us approximately 3.7 inches.

Finally, the last number in the tire size, 22, represents the diameter of the wheel rim in inches. Therefore, the tire size 315/30R22 can be expressed in inches as roughly 12.4 inches wide, 3.7 inches tall, and designed to fit a 22-inch wheel rim.

NITTO NT420V 315/30R22 107W XL
NITTO NT420V 315/30R22 107W XL
315/30R22 107W XL
Accelera Iota ST68 315/30R22XL 107W BSW (1 Tires)
Accelera Iota ST68 315/30R22XL 107W BSW (1 Tires)
Treadlife: N/A; Season: All Season; Performance: High Performance; Car Type: Truck/SUV; Load Range XL, 4-Ply Rated, 4-PR
Pirelli P ZERO Performance Radial Tire - 315/30R22 107Y
Pirelli P ZERO Performance Radial Tire - 315/30R22 107Y
Product Type: Tires; Package Quantity: 1; Country Of Origin: Germany; Package Dimensions: 29.49" (L) x 12.6" (W) x 29.49" (H)

Frequently Asked Questions About 315/30R22 Tires

How tall is a 315/30R22 tire?

A 315/30R22 tire has an approximate height, also known as the overall diameter, of 29.5 inches (749 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 315/30R22 tire?

A 315/30R22 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 315/30R22 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.

145/80R2029.1"740 mm20 mm
155/80R1928.8"731 mm19 mm
155/90R1829"737 mm18 mm
165/90R1728.7"730 mm17 mm
165/90R1829.7"755 mm18 mm
175/80R1829"737 mm18 mm
175/80R1930"763 mm19 mm
175/90R1729.4"748 mm17 mm
205/80R1628.9"734 mm16 mm
205/90R1529.6"751 mm15 mm
215/70R1728.9"734 mm17 mm
215/75R1628.7"728 mm16 mm
215/80R1629.5"750 mm16 mm
215/85R1529.4"747 mm15 mm
225/55R1928.8"731 mm19 mm
225/60R1828.6"727 mm18 mm
225/65R1829.5"749 mm18 mm
225/70R1729.4"748 mm17 mm
225/75R1629.3"744 mm16 mm
225/75R1730.3"770 mm17 mm
225/80R1529.2"741 mm15 mm
235/45R2129.3"745 mm21 mm
235/50R2029.3"744 mm20 mm
235/55R1929.2"741 mm19 mm
235/55R2030.2"766 mm20 mm
235/60R1829.1"739 mm18 mm
235/60R1930.1"765 mm19 mm
235/65R1729.1"738 mm17 mm
235/65R1830"763 mm18 mm
235/70R1629"736 mm16 mm
235/70R1730"762 mm17 mm
235/75R1528.9"733 mm15 mm
235/75R1629.8"758 mm16 mm
235/80R1529.8"757 mm15 mm
245/25R2428.8"732 mm24 mm
245/30R2429.8"758 mm24 mm
245/35R2228.8"731 mm22 mm
245/40R2128.7"729 mm21 mm
245/45R2028.7"728 mm20 mm
245/45R2129.6"753 mm21 mm
245/50R1928.7"729 mm19 mm
245/50R2029.7"754 mm20 mm
245/55R1828.6"727 mm18 mm
245/55R1929.6"753 mm19 mm
245/60R1829.6"751 mm18 mm
245/65R1729.5"750 mm17 mm
245/70R1629.5"750 mm16 mm
245/75R1529.5"749 mm15 mm
247/70R1629.6"752 mm16 mm
255/25R2429.1"738 mm24 mm
255/30R2430.1"764 mm24 mm
255/35R2229"737 mm22 mm
255/40R2129"737 mm21 mm
255/40R2230"763 mm22 mm
255/45R2029.1"738 mm20 mm
255/45R2130"763 mm21 mm
255/50R1929.1"739 mm19 mm
255/50R2030.1"764 mm20 mm
255/55R1829"737 mm18 mm
255/55R1930"763 mm19 mm
255/60R1729.1"738 mm17 mm
255/60R1830"763 mm18 mm
255/65R1629.1"738 mm16 mm
255/65R1730.1"764 mm17 mm
255/70R1529.1"739 mm15 mm
255/70R1630.1"764 mm16 mm
255/75R1530"763 mm15 mm
265/25R2429.2"742 mm24 mm
265/35R2229.3"745 mm22 mm
265/40R2129.3"745 mm21 mm
265/40R2230.4"771 mm22 mm
265/45R2029.4"746 mm20 mm
265/45R2130.4"771 mm21 mm
265/50R1929.5"749 mm19 mm
265/55R1829.5"749 mm18 mm
265/60R1729.5"750 mm17 mm
265/65R1629.5"750 mm16 mm
265/70R1529.6"753 mm15 mm
275/23R2429"736 mm24 mm
275/25R2429.4"748 mm24 mm
275/35R2229.6"751 mm22 mm
275/40R2028.7"728 mm20 mm
275/40R2129.6"753 mm21 mm
275/45R1928.8"731 mm19 mm
275/45R2029.8"756 mm20 mm
275/50R1828.9"733 mm18 mm
275/50R1929.9"759 mm19 mm
275/55R1728.9"734 mm17 mm
275/55R1829.9"759 mm18 mm
275/60R1629"736 mm16 mm
275/60R1730"762 mm17 mm
275/65R1630.1"764 mm16 mm
275/70R1530.2"767 mm15 mm
285/30R2228.8"731 mm22 mm
285/35R2128.9"733 mm21 mm
285/35R2229.9"759 mm22 mm
285/40R2029"736 mm20 mm
285/40R2130"761 mm21 mm
285/45R1929.1"739 mm19 mm
285/45R2030.1"764 mm20 mm
285/50R1829.3"743 mm18 mm
285/55R1830.4"771 mm18 mm
285/60R1629.4"748 mm16 mm
295/23R2429.4"746 mm24 mm
295/30R2229"737 mm22 mm
295/30R2330"762 mm23 mm
295/35R2129.1"739 mm21 mm
295/35R2230.1"765 mm22 mm
295/40R2029.3"744 mm20 mm
295/40R2130.3"769 mm21 mm
295/45R1929.5"749 mm19 mm
295/60R1528.9"735 mm15 mm
295/65R1530.1"765 mm15 mm
305/25R2329"736 mm23 mm
305/30R2229.3"743 mm22 mm
305/35R2129.4"747 mm21 mm
305/40R2029.6"752 mm20 mm
305/45R1828.8"731 mm18 mm
315/25R2329.2"742 mm23 mm
315/30R2229.5"749 mm22 mm
315/35R2028.7"728 mm20 mm
315/35R2129.6"753 mm21 mm
315/40R1928.9"735 mm19 mm
315/55R1629.6"752 mm16 mm
315/60R1529.9"759 mm15 mm
325/30R2128.7"729 mm21 mm
325/35R2029"736 mm20 mm
325/45R1829.5"749 mm18 mm
325/60R1530.4"771 mm15 mm
335/25R2228.6"727 mm22 mm
345/55R1530"761 mm15 mm