Tire size 315/30R30 refers to the tire size in numbers and letters such as the first number “315” indicates the tire width in millimeters, the second number “30” indicates the aspect ratio of the tire and the last number indicates the diameter of the tire. A 315/30R30 tire in inches can be described as a tire with a width of about 12.4 inches, a sidewall height of about 3.7 inches, and it fits on a 30-inch wheel.
Converting 315/30R30 in Inches
315/30R30
inches
mm
Tire Diameter
37.5 inches
952 mm
Tread Width
12.4 inches
315 mm
Rim Diameter
30 inches
762 mm
Sidewall Height
3.7 inches
95 mm
Circumference
117.8 inches
2989 mm
Revolutions
538 per mile
335 per km
Tire Size Calculator
The Tire Size Calculator is a convenient online tool that helps determine the correct tire dimensions for a vehicle, ensuring optimal performance and compatibility.
