225 vs 245 tires: So when someone mentioned their tire size is 225/45 R17, what does this actually mean? 225 actually denotes the width of the tires in mm. For example a 225/45R17 tire size, it means that the width of the tire is 225mm (~ 8.9 inch) wide. The picture below shows an illustration of the 225mm length tire width.
In the tire comparison table above, you can see a detailed calculation of the size difference between 215/60 R17 and 225/60 R17 tire. The calculation results are presented in the form of visual infographics, on which tire with size 215/60 R17 is on top, and tire with size 225/60 R17 below. Both in the table and in the graph, the tires are
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