# 225/55 R16

## What size is 225/55 R16?

225/55 R16 has an overall diameter of about 25.74 in, a section width of 8.86 in and a sidewall height of 4.87 in. It turns roughly 783 times per mile. Below are the exact figures plus in-tolerance plus/minus sizes you can switch to safely.

## Specification

| Specification | |
|---|---|
| Overall diameter | 25.74 in |
| Section width | 8.86 in |
| Sidewall height | 4.87 in |
| Circumference | 80.88 in |
| Revolutions | 487 /km · 783 /mi |

## In-tolerance sizes

| Size | Diameter | Speedo | Verdict |
|---|---|---|---|
| [245/35 R19](https://tirefitlab.com/245-35-r19.md) | +0.0% | +0.0% | ✓ OK |
| [245/40 R18](https://tirefitlab.com/245-40-r18.md) | -0.1% | -0.1% | ✓ OK |
| [205/60 R16](https://tirefitlab.com/205-60-r16.md) | -0.2% | -0.2% | ✓ OK |
| [245/45 R17](https://tirefitlab.com/245-45-r17.md) | -0.2% | -0.2% | ✓ OK |
| [225/50 R17](https://tirefitlab.com/225-50-r17.md) | +0.4% | +0.4% | ✓ OK |
| [205/55 R17](https://tirefitlab.com/205-55-r17.md) | +0.5% | +0.5% | ✓ OK |
| [225/45 R18](https://tirefitlab.com/225-45-r18.md) | +0.9% | +0.9% | ✓ OK |
| [205/65 R15](https://tirefitlab.com/205-65-r15.md) | -1.0% | -1.0% | ✓ OK |
| [235/35 R19](https://tirefitlab.com/235-35-r19.md) | -1.0% | -1.0% | ✓ OK |
| [215/50 R17](https://tirefitlab.com/215-50-r17.md) | -1.1% | -1.1% | ✓ OK |
| [255/35 R19](https://tirefitlab.com/255-35-r19.md) | +1.1% | +1.1% | ✓ OK |
| [235/40 R18](https://tirefitlab.com/235-40-r18.md) | -1.3% | -1.3% | ✓ OK |

---

Methodology: https://tirefitlab.com/methodology/ · Tire size calculator: https://tirefitlab.com/225-55-r16/

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