# 215/45 R17

## What size is 215/45 R17?

215/45 R17 has an overall diameter of about 24.62 in, a section width of 8.46 in and a sidewall height of 3.81 in. It turns roughly 819 times per mile. Below are the exact figures plus in-tolerance plus/minus sizes you can switch to safely.

## Specification

| Specification | |
|---|---|
| Overall diameter | 24.62 in |
| Section width | 8.46 in |
| Sidewall height | 3.81 in |
| Circumference | 77.34 in |
| Revolutions | 509 /km · 819 /mi |

## In-tolerance sizes

| Size | Diameter | Speedo | Verdict |
|---|---|---|---|
| [205/60 R15](https://tirefitlab.com/205-60-r15.md) | +0.3% | +0.3% | ✓ OK |
| [195/70 R14](https://tirefitlab.com/195-70-r14.md) | +0.5% | +0.5% | ✓ OK |
| [185/65 R15](https://tirefitlab.com/185-65-r15.md) | -0.6% | -0.6% | ✓ OK |
| [195/55 R16](https://tirefitlab.com/195-55-r16.md) | -0.7% | -0.7% | ✓ OK |
| [225/50 R16](https://tirefitlab.com/225-50-r16.md) | +1.0% | +1.0% | ✓ OK |
| [205/55 R16](https://tirefitlab.com/205-55-r16.md) | +1.1% | +1.1% | ✓ OK |
| [205/45 R17](https://tirefitlab.com/205-45-r17.md) | -1.4% | -1.4% | ✓ OK |
| [225/45 R17](https://tirefitlab.com/225-45-r17.md) | +1.4% | +1.4% | ✓ OK |
| [195/65 R15](https://tirefitlab.com/195-65-r15.md) | +1.5% | +1.5% | ✓ OK |
| [195/60 R15](https://tirefitlab.com/195-60-r15.md) | -1.6% | -1.6% | ✓ OK |
| [255/35 R18](https://tirefitlab.com/255-35-r18.md) | +1.7% | +1.7% | ✓ OK |
| [225/40 R18](https://tirefitlab.com/225-40-r18.md) | +1.9% | +1.9% | ✓ OK |

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Methodology: https://tirefitlab.com/methodology/ · Tire size calculator: https://tirefitlab.com/215-45-r17/

> Geometry is computed in canonical millimetres and is deterministic across the site. Always verify physical clearance before fitting.