Equivalent Tire Sizes

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Equivalent Tire Sizes
Related Categories: Tire Size Chart | Tire Size Interchange | Tire Size Substitution | Changing Aspect Ratio | Changing Tire Sizes | Tire Conversion Chart | Tire Psi Chart | Tire Pressure Calculator | 1230 | Tire Pressure Chart

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  • Tire Size Conversion Chart

  • tires with Euro-metric or P-metric tires, look for the Euro-metric or P-metric size listed in the equivalent aspect ratio. For example, when replacing a FR78-14, you would look up the appropriate 75-series size, the 205/75R14. If replacing a FR70-14, you would look up the appropriate 70-series size,

  • Tire Construction Differences.

  • tires follow the same formula for load, vehicle manufacturers can design new vehicles around existing or new tire sizes created with the new load formula. Euro-metric sized tires do not have the P at the beginning of the size, 225/45-17 for example. Using metric dimensions to reflect a tire's width…


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