Latest Updates (2021):
  • - Added 'Car Performance' block. You can see how changing your tire size affects your car’s performance new
  • - All unavailable options on the tire market are filtered out from the result for plus/minus sizing
  • - Our Wheel Size Calculator is mobile friendly now
  • - Wheel Size Calculator is available in our Android app
Note: Dimensions displayed are calculated using industry-standard tire sizing specifications:
  • - ISO 4000-1, ISO 4000-2 Passenger car tyres and rims / Tyres / Rims
  • - ISO 8855 Road vehicles / Vehicle dynamics and road-holding ability

Rim & Tire Size Calculator. Custom Offsets Play with specs below, try different settings, compare results...