# /65 series tire aspect ratio

## What does /65 mean in a tire size?

A /65 aspect ratio means the tire sidewall height is 65% of the section width. For a 205/65R16 tire, the sidewall is 133.25mm tall. Common 65-series sizes span multiple rim diameters.

- [175/65 R14](https://tirefitlab.com/175-65-r14.md)
- [185/65 R14](https://tirefitlab.com/185-65-r14.md)
- [175/65 R15](https://tirefitlab.com/175-65-r15.md)
- [185/65 R15](https://tirefitlab.com/185-65-r15.md)
- [195/65 R15](https://tirefitlab.com/195-65-r15.md)
- [205/65 R15](https://tirefitlab.com/205-65-r15.md)
- [215/65 R16](https://tirefitlab.com/215-65-r16.md)
- [225/65 R16](https://tirefitlab.com/225-65-r16.md)
- [235/65 R16](https://tirefitlab.com/235-65-r16.md)
- [215/65 R17](https://tirefitlab.com/215-65-r17.md)
- [225/65 R17](https://tirefitlab.com/225-65-r17.md)
- [235/65 R17](https://tirefitlab.com/235-65-r17.md)
- [245/65 R17](https://tirefitlab.com/245-65-r17.md)
- [255/65 R17](https://tirefitlab.com/255-65-r17.md)
- [265/65 R17](https://tirefitlab.com/265-65-r17.md)
- [235/65 R18](https://tirefitlab.com/235-65-r18.md)
- [245/65 R18](https://tirefitlab.com/245-65-r18.md)
- [265/65 R18](https://tirefitlab.com/265-65-r18.md)
- [275/65 R18](https://tirefitlab.com/275-65-r18.md)
- [285/65 R18](https://tirefitlab.com/285-65-r18.md)

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Methodology: https://tirefitlab.com/methodology/