Diameter to Sidewall Car Tyres Tyres Size Chart
Complete Diameter to Sidewall size conversion chart for car tyres tyres. Click any size for a detailed conversion.
Quick Converter
| Diameter | Sidewall |
|---|---|
| 22.1" | 4.0" |
| 22.4" | 4.2" |
| 22.8" | 4.5" |
| 23.2" | 4.7" |
| 24.0" | 4.5" |
| 24.5" | 4.7" |
| 25.0" | 5.0" |
| 25.5" | 5.3" |
| 23.0" | 4.0" |
| 23.4" | 4.2" |
| 23.7" | 4.4" |
| 24.2" | 4.6" |
| 24.9" | 4.4" |
| 25.3" | 4.7" |
| 25.7" | 4.9" |
| 25.7" | 4.8" |
| 26.2" | 5.1" |
| 26.6" | 5.3" |
| 24.6" | 3.8" |
| 25.0" | 4.0" |
| 25.3" | 4.2" |
| 25.7" | 4.3" |
| 25.5" | 4.2" |
| 25.9" | 4.4" |
| 26.3" | 4.7" |
| 26.7" | 4.9" |
| 27.2" | 5.1" |
| 25.1" | 3.5" |
| 25.4" | 3.7" |
| 25.7" | 3.9" |
| 26.0" | 4.0" |
| 26.0" | 4.0" |
| 26.3" | 4.2" |
| 26.7" | 4.3" |
| 27.3" | 4.6" |
| 28.2" | 5.1" |
| 25.5" | 3.2" |
| 25.8" | 3.4" |
| 26.0" | 3.5" |
| 26.7" | 3.9" |
| 27.0" | 4.0" |
| 27.7" | 4.3" |
| 28.0" | 4.5" |
| 26.8" | 3.4" |
| 27.0" | 3.5" |
| 27.6" | 3.8" |
| 27.7" | 3.9" |
| 28.0" | 4.0" |
| 28.7" | 4.3" |
| 29.0" | 4.5" |
Frequently Asked Questions
- How do I read the diameter tyre size notation?
- A metric tyre size like 26.7" describes the width in mm, aspect ratio as a percentage, and rim diameter in inches. For example, 26.7" has a sidewall of 4.9".
- Can I change my tyre size?
- You should only use sizes recommended by your vehicle manufacturer. Different sizes affect speedometer accuracy, handling, and fuel economy. Consult a tyre specialist for advice.
- What is the overall diameter of a 26.7" tyre?
- A 26.7" tyre has a sidewall of 4.9". The overall diameter affects ground clearance and speedometer calibration.