# /70 series tire aspect ratio

## What does /70 mean in a tire size?

A /70 aspect ratio means the tire sidewall height is 70% of the section width. For a 205/70R16 tire, the sidewall is 143.5mm tall. Common 70-series sizes span multiple rim diameters.

- [165/70 R14](https://tirefitlab.com/165-70-r14.md)
- [195/70 R14](https://tirefitlab.com/195-70-r14.md)
- [205/70 R15](https://tirefitlab.com/205-70-r15.md)
- [215/70 R15](https://tirefitlab.com/215-70-r15.md)
- [225/70 R15](https://tirefitlab.com/225-70-r15.md)
- [245/70 R16](https://tirefitlab.com/245-70-r16.md)
- [265/70 R16](https://tirefitlab.com/265-70-r16.md)
- [235/70 R17](https://tirefitlab.com/235-70-r17.md)
- [245/70 R17](https://tirefitlab.com/245-70-r17.md)
- [265/70 R17](https://tirefitlab.com/265-70-r17.md)
- [275/70 R18](https://tirefitlab.com/275-70-r18.md)

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