315/70r17 in inches

Quick Answer Box What is 315/70R17 in Inches? 315/70R17 is a metric tire size that converts to 34.36 inches tall and 12.40 inches wide in imperial units. The “315” is the section width in millimeters (metric), the “70” is the aspect ratio (sidewall height as a percent of width), and the “17” is the rim…