24540-R18 tires are 1.14 inches (29 mm) smaller in diameter than 225/50-R18 tires and the speedometer difference is 4.3%.
Tiresize comparison in inches. 225/40 R18 vs 225/50 R18. Calculate. CM INCHES. If your speedometer reads: Real speed is: Size difference between 225/40 R18 and 225/50 23560-R18 tires are 0.47 inches (12 mm) larger in diameter than 225/60-R18 tires and the speedometer difference is 1.6%.Theoverall diameter is the first thing to look at when comparing two tires. The 245 40r18 has a diameter of 25.72 inches, while the 225 40r18 has a diameter of 25.09 inches. This
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.
oOCLTX.