Tire Size Calculator
Calculate tire dimensions, compare different tire sizes, and analyze performance impact. Get accurate measurements for sidewall height, diameter, circumference, and speedometer accuracy for optimal vehicle performance.
Enter Tire Specifications
Main Tire Size
mm
%
in
Example: 225/60R16
Width/Aspect Ratio R Wheel Diameter format
Enter tire specifications and click 'Calculate Dimensions' to see results
What is a Tire Size Calculator?
A Tire Size Calculator is a tool that calculates tire dimensions and compares different tire sizes to help you understand their impact on vehicle performance. It provides accurate measurements for sidewall height, total diameter, circumference, and analyzes how tire size changes affect speedometer accuracy and vehicle dynamics.
Key Features
- •Calculate tire dimensions from size specifications
- •Compare two different tire sizes side by side
- •Analyze speedometer accuracy impact
- •Calculate revolutions per kilometer/mile
- •Performance impact analysis
- •Support for metric and imperial units
- •Multiple tire format support (P-metric, LT, flotation)
- •Export results to CSV for record keeping
Benefits
- ✓Make informed tire upgrade decisions
- ✓Understand performance trade-offs
- ✓Ensure proper fitment and clearance
- ✓Maintain accurate speedometer readings
- ✓Optimize vehicle handling and comfort
- ✓Compare tire options before purchasing
- ✓Verify manufacturer specifications