Tire Size Calculator

Alternative Tire Sizes Tire Comparison
Size A    /  R
Size B    /  R

Find
Metric
Inches
Alternative Tire Sizes for 285/40R23


812.8
284.5
2553
114
584.2
Size Diameter Difference Width
285/40R23 812.8 0.00% 284.5
305/40R23 828.0 +1.88% 304.8