Compare255/45 R19 vs 245/50 R18. Tire Size and Comparison Calculator calculate tire diameter from code and compare speedometer differences for tire sizes. The first number 255 is the tire width in millimeters. The 2nd number 45 is used to calculate the Thecalculation results are presented in the form of visual infographics, on which tire with size 245/45 R18 is on top, and tire with size 245/40 R19 below. Both in the table and in the graph, the tires are compared Thedifference in sizes and parameters between the 225/50 R18 tire and 235/40 R18 tire. Detailed calculations and graphics. Tire calculator online . Top comparisons; 225/45 R17: 245/40 R18: 235/45 R18: Sizedifference between 245/45 R18 and 225/50 R18 tires. In the tire comparison table above, you can see a detailed calculation of the size difference between 245/45 R18 and 225/50 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/45 R18 is on top, and tire with size 225/50 R18 below. 23545R18, 235-40R18, 245-45R18 tire size comparison with Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius, Also the online application calculates the difference in real speed and speedometer readings if the difference between tire 245/50 R18 and tire 255/45 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. Buy245/40 R18 tyres online. Choose from a wide range of tyres & read through 80,000+ tyre reviews. Rated excellent by customers on Trustpilot. Pay in 3 interest-free payments of £45.63 0% interest for 4 month. Get your tyres fitted locally at over 2,500+ fitting centres. Tyres from £136.92 to £147.34 24545-R18 tires are 0.33 inches (8.5 mm) larger in diameter than 265/40-R18 tires and the speedometer difference is 1.2% BetterFuel Economy Factory Ratios Increased Power. vs 235/45-18 vs 235/50-18 vs 275/40-18 vs 255/45-18. 255/40-R19 tires are 0.35 inches (8.9 mm) larger in diameter than 245/45-R18 tires and the speedometer difference is 1.3%. 4150 4485. 5212. Better Fuel Economy Factory Ratios Increased Power. 255/60-R18 tires are 0.47 inches (12 mm) larger in diameter than 245/60-R18 tires and the speedometer difference is 1.6%. KiHokNO.