245/40-R18 tires are 0.14 inches (3.6 mm) smaller in diameter than 225/50-R17 tires and the speedometer difference is 0.5%. The diameter is also different. the 45 refers to the sidewall height as a percentage of the width. so, the sidewall of a 235/45R17 is 45% of 235 for its sidewall height vs. 45% of 225 (shorter). This *does* mean different revolutions per mile which will throw off your speedometer. 1. The first number 215 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 215/60 R 16 tire is 60% of 215 = 192. The 3rd number 16 (generally preceded by an "R") is Rim Diameter in inches. This is the diameter of the rims bead seat base, not
The calculation results are presented in the form of visual infographics, on which tire with size 225/55 R17 is on top, and tire with size 225/50 R17 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.
In the tire comparison table above, you can see a detailed calculation of the size difference between 215/65 R17 and 225/65 R17 tire. The calculation results are presented in the form of visual infographics, on which tire with size 215/65 R17 is on top, and tire with size 225/65 R17 below. Both in the table and in the graph, the tires are
In the tire comparison table above, you can see a detailed calculation of the size difference between 245/40 R17 and 255/40 R17 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/40 R17 is on top, and tire with size 255/40 R17 below. Both in the table and in the graph, the tires are
o8Ts. 57 70 275 471 333 97 328 280 390

245 45 r17 vs 225 50 r17