315/30R30 in inches
315/30R30 Tire Size in Inches 315/30R30 is a metric tire size representation, which defines that the tires have a width of 315 mm, 30 is the aspect ratio and a rim diameter of 30 inches. In the imperial system the tire size 315/30R30 equates to a 37.5×12.4R30 that is commonly used in the automotive industry. … Read more