Tire Size Comparison Calculator
Advanced visualization tool with millimeter precision for tire upgrades and modifications
Example: 225/65R17 or 31x10.50R15
Example: 245/70R17 or 33x12.50R20
0.0" difference
225/65R17
Standard Size
245/70R17
Upgrade Size
Precision Comparison Results
Diameter Difference
0.0"
Change in overall tire height
Width Difference
0 mm
Change in tire width
Speedometer Impact
0.0%
Speed reading vs actual speed
Clearance Needed
0 mm
Extra space required per side
Expert Recommendation
Based on your comparison, we recommend verifying wheel well clearance at full steering lock. Significant diameter changes (>3") may require suspension modifications.