Convert Bias Ply Tire Sizes to Metric: A Simple Cross Reference Chart

To convert bias-ply tire sizes to metric, first measure the section width in inches. Multiply this number by 25.4 to get millimeters. Next, determine the aspect ratio and the wheel diameter. Use these measurements to express the tire size in P-Metric format, ensuring all calculations are clear and accurate. To convert this to metric, you … Read more

Convert Tire Size to Diameter: A Simple Guide with Tire Size Calculator

To convert tire size to diameter, use this formula: (tire width x aspect ratio / 2540 x 2) + wheel size. For example, for a 285/75/R16 tire, calculate the sidewall height, multiply by 2, then add the rim size. Use a tire conversion calculator for accurate results and visual comparisons of alternate sizes. To calculate … Read more