Tire Size Calculator
Width (mm)
Aspect Ratio (%)
Rim (in)
✓Tire Dimensions
Outer Diameter (mm)
634.3
Sidewall (mm)
101.3
Circumference (mm)
1992.7
Tyre notation (e.g. 225/45R17) encodes tread width in mm, sidewall height as % of width, construction type (R = radial), and rim diameter in inches.
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