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wheels and tyres size designation

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Wheels and Tyres Size Designation

The following diagrams describe how to read the different tyre size designations in Passenger and Light Truck construction that may be found within the tyre marketplace.

Passenger Radial Tyre Construction

P – Metric Size Designation – Diagram 1

Metric Size Designation – Diagram 2

Light Truck Imperial Designation – Diagram 3

Light Truck Imperial Designation – Diagram 4

Light Truck Metric Designation – Diagram 5

Light Truck Metric Designation – Diagram 6

The light truck designations are depicted as either imperial or metric. Imperial is where the tyre section is measured in inches, as in diagrams 3 and 4.

The metric designation is shown in diagrams 5 and 6, where the section width is millimetres.

Get in touch with us at Swan Tyre Service today for all your tyre advice in Perth. We offer new tyres and second-hand tyres in Perth.