Thedifference in sizes and parameters between the 275/40 R18 tire and 255/40 R18 tire. Detailed calculations and graphics. Calculate the difference in inches. Tire calculator online . Top comparisons; 225/45 R18: 245/40 R18: 245/45 R18: Compare225/60 R16 vs 245/45 R18. Tire Size and Comparison Calculator calculate tire diameter from code and compare speedometer differences for tire sizes. The first number 225 is the tire width in millimeters. The 2nd number 60 is used to calculate the sidewall height or "aspect ratio", by percentage. So, the sidewall height of a 225/60 R 16 24545 R18 100Y XL C: A 2018-03-17 - Hi, for a Honda Civic 1.8 petrol 2010 tyres 225/40/R18 Y XL would Michelin PS4 or Pirelli PZero PZ4 give best ride comfort? I know Goodyear Asmm. 3 offer good ride but currently I have Potenza S001 at front PS3 rear so concerned about softer sidewall of Goodyears. Many thanks. Inthe tire comparison table above, you can see a detailed calculation of the size difference between 225/45 R18 and 245/45 R18 tire. The calculation results are presented in the Thecalculation results are presented in the form of visual infographics, on which tire with size 245/40 R18 is on top, and tire with size 275/40 R18 below. Both in the table and in the graph, the tires are compared according to the following indicators: overall diameter, section width, circumference, sidewall height and clearance. Inthe tire comparison table above, you can see a detailed calculation of the size difference between 225/55 R18 and 245/50 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 225/55 R18 is on top, and tire with size 245/50 R18 below. Both in the table and in the graph, the tires are FEazqC. Inthe tire comparison table above, you can see a detailed calculation of the size difference between 235/55 R18 and 245/55 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 235/55 R18 is on top, and tire with size 245/55 R18 below. Both in the table and in the graph, the tires are Sizesoften compared to the 245/40 R18 tire: The difference in sizes and parameters between the 225/45 R18 tire and 245/40 R18 tire. Detailed calculations and graphics. Compare225/45 R18 vs 245/40 R18. So, the sidewall height of a 225/45 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 Inthe tire comparison table above, you can see a detailed calculation of the size difference between 245/60 R18 and 235/60 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/60 R18 is on top, and tire with size 235/60 R18 below. Both in the table and in the graph, the tires are The225/45R18 tyre has the following features: the first three digits 225 refer to the width of the tyre in millimetres. The second two-digit number 45 refers to the ratio between the height of the sidewall and the width of the tyre. R stands for “Radial” and the last two figures 18 indicate the wheel diameter in inches. Thecalculation results are presented in the form of visual infographics, on which tire with size 245/60 R18 is on top, and tire with size 225/45 R18 below. Both in the table and in the graph, the tires are compared according to the following indicators: overall diameter, section width, circumference, sidewall height and clearance.

225 45 r18 vs 245 40 r18