Tire SizeComparison Visualizer
Enter any two tire sizes to compare diameter, width, ride height, speedometer error, and generate a dedicated visual diagram.
Popular Comparisons
Explore frequently compared tire sizes with instant visual diagrams and specs.
Truck / 4x4Exceeds ±3%
265/70R17 vs 285/75R16
+3.86% Diameter57.8 mph @ 60
View Visual Comparison
Off-RoadExceeds ±3%
265/70R17 vs 285/70R17
+3.48% Diameter58.0 mph @ 60
View Visual Comparison
Heavy Duty±3% Safe Swap
275/70R18 vs 285/70R17
+1.86% Diameter58.9 mph @ 60
View Visual Comparison
SUV / CrossoverExceeds ±3%
235/70R16 vs 245/75R16
+4.20% Diameter57.6 mph @ 60
View Visual Comparison
Passenger / SedanExceeds ±3%
205/55R16 vs 215/60R16
+4.55% Diameter57.4 mph @ 60
View Visual Comparison
Plus-One Wheel±3% Safe Swap
225/45R17 vs 225/40R18
+0.40% Diameter59.8 mph @ 60
View Visual Comparison
Popular Tire Sizes Directory
Browse detailed specifications, inch conversions, and safe alternative replacements.
Precise Calculations
Diameter, section width, sidewall height, circumference, and revolutions per mile with percentage deltas.
Speedometer Error
Know exactly what your speedometer will read at 60 mph when switching tire diameters.
Safe Sizing Limits
Color-coded ±3% diameter threshold badges instantly identify safe tire conversions.