23545R18, 235-40R18, 245-45R18 tire size comparison with Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius,
Sizedifference between 225/45 R18 and 245/40 R18 tires. In the tire comparison table above, you can see a detailed calculation of the size difference between 225/45 R18
5177 6016. Better Fuel Economy Factory Ratios Increased Power. vs 235/45-18 vs 235/50-18 vs 275/40-18 vs 245/50-18. 255/40-R18 tires are 0.65 inches (16.5 mm) smaller in diameter than 245/45-R18 tires and the speedometer difference is 2.5%.
Thecalculation results are presented in the form of visual infographics, on which tire with size 255/45 R18 is on top, and tire with size 245/40 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.
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