Skip to main content

learn.howToCalculate

learn.whatIsHeading

Compares tire specifications and impact on speedometer accuracy, handling, and fuel economy. Validates tire compatibility.

सूत्र

Speedometer error = circumference change %

चरण-दर-चरण मार्गदर्शिका

  1. 1Tire size: width, aspect ratio, wheel diameter (e.g., 225/50R17)
  2. 2Compare rolling circumference changes
  3. 3Speedometer error = circumference change %
  4. 4Check load and speed ratings match vehicle

हल किए गए उदाहरण

इनपुट
P215/60 vs P225/55
परिणाम
Diameter +0.8%

सामान्य गलतियां जिनसे बचना है

  • Not checking load rating change
  • Installing all-season when winter required (safety issue)

अक्सर पूछे जाने वाले प्रश्न

Can I use different tire sizes?

Minor differences (±3%) acceptable; larger changes affect speedometer, odometer, handling.

What happens with larger/smaller tires?

Larger: slower acceleration, improved efficiency but less response; smaller: opposite.

सेटिंग्स