Understanding Metric and Standard Tire Size

Standard Tire Size & Metric

We at RV Tires care about the safety of you and your family. Therefore, we provide information on metric and standard tire sizes. Understanding tire size can help with your tire selection. Furthermore, you can be more confident about your tire purchase for your recreational vehicle.

TIRE SIZE – READING SIDEWALL MARKINGS – Metric

Metric Tire Size

In this case, the image above highlights the metric tire size of a tire. Most tires will indicate the size on the sidewall in the following order:

  • Tire Width – 215 mm in this example
  • Aspect Ratio – sidewall height, 60 in this example
  • Rim Diameter – 16” in this example

 


TIRE SIZE – READING SIDEWALL MARKINGS – Standard

Also known as High-Flotation / Wide Base / Numeric Sizing

standard tire size

As highlighted in the image above, standard tires will indicate the standard tire size. The tire size markings on the sidewall are as follows:

  • Overall Diameter height in inches – 35” in this example
  • Section Width in inches – 12.5” or 1250 in this example
  • Rim Diameter in inches – 17” in this example

 

 

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