Tire Size Calculator
Use the following calculator to find the dimensions of a tire based on its code. It can also provide a comparison of alternative tires that are compatible with a given wheel size.
Modify the values and click the calculate button to use
Change to a new wheel size?
Result:
Tire Size Calculator – Calculate & Compare Tire Dimensions
The Tire Size Calculator helps you determine the exact dimensions of a tire based on its standard size code (e.g., 225/45R17). Whether you’re upgrading wheels, comparing different tire options, or checking compatibility, this tool provides precise measurements in both inches and millimeters.
Key Features:
✔ Tire Dimensions – Calculate height (diameter), width, sidewall height, and circumference
✔ Unit Conversion – Results displayed in inches & millimeters for easy comparison
✔ Revolutions per Mile/KM – Essential for speedometer calibration and gear ratio adjustments
✔ Wheel Size Adjustment – Option to compare results with a new wheel size
Simply enter your tire code, click “Calculate”, and instantly get detailed specs. Perfect for car enthusiasts, mechanics, and DIY upgrades!
🚗 Upgrade with confidence – Know your tires before you buy! 🚗