22555-R18 tires are 0.89 inches (22.5 mm) larger in diameter than 225/50-R18 tires and the speedometer difference is 3.2%.
22550-R18 tires are 0.18 inches (4.5 mm) larger in diameter than 245/45-R18 tires and the speedometer difference is 0.6%.
23540-R18 tires are 0.43 inches (10.9 mm) larger in diameter than 225/45-R17 tires and the speedometer difference is 1.7%.

23560-R18 tires are 0.47 inches (12 mm) larger in diameter than 225/60-R18 tires and the speedometer difference is 1.6%.

22565-R17 tires are 0.11 inches (2.9 mm) smaller in diameter than 225/60-R18 tires and the speedometer difference is 0.4%.
Also the online application calculates the difference in real speed and speedometer readings if the difference between tire 255/45 R18 and tire 225/55 R18 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.
Thedifference in sizes and parameters between the 245/40 R18 tire and 245/35 R18 tire. Detailed calculations and graphics. Tire calculator online . Top comparisons; 225/40 R18: 205/55 R16: 225/45 R17: 235/40 R18:

Thecalculation results are presented in the form of visual infographics, on which tire with size 235/55 R18 is on top, and tire with size 225/60 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.

23545-R18 tires are 0.35 inches (9 mm) larger in diameter than 225/45-R18 tires and the speedometer difference is 1.3%.
ULvt.
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  • 225 45 r18 vs 225 40 r18