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Car tire size online calculation

Category: Life

= Diameter

( Inch )
Section height :
( Inch )

APP description

The calculator calculates the size of the car's tire based on the tire size.

Such as the specification of a tire: 205/55/R16 91V

205: refers to the tire width of 05 mm

55: refers to the flatness ratio of the tire, that is, the height of the section is 5% of the width.

R: It means that the tire is a radial tire (this inner layer is a radiation tire manufacturing method)

Usage example

Enter value


Click "Calculate" to output the result.

Diameter: 31.3 (inches)

Section width: 8.1 (inches), section height: 7.7 (inches)


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