Inthe tire comparison table above, you can see a detailed calculation of the size difference between 265/60 R18 and 245/60 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with Also the online application calculates the difference in real speed and speedometer readings if the difference between tire 235/55 R18 and tire 225/60 R17 is significant. Calculate the difference in inches. If you want to compare other tire sizes, then select their sizes in the drop-down fields and click on the green button.

Thefirst number 225 is the tire width in millimeters. The 2nd number 55 is used to calculate the sidewall height or "aspect ratio", by percentage. So, the sidewall height of a 225/55 R

Compare225/50 R18 vs 215/55 R18. So, the sidewall height of a 225/50 R 18 tire is 60% of 225 = 192. The 3rd number 18 (generally preceded by an "R") is Rim Diameter in inches. This is the diameter of the rims bead seat base, not the diameter of the outer rim edge. The rim edge, or lip, extends past the tire bead seat to hold the bead and

Sizedifference between 225/55 R18 and 225/60 R18 tires. In the tire comparison table above, you can see a detailed calculation of the size difference between 225/55 R18 and 225/60 R18 tire. The calculation
. 271 177 120 30 197 361 397 123

225 55 r18 vs 225 60 r18