Width to Sidewall Car Tyres Tyres Size Chart
Complete Width to Sidewall size conversion chart for car tyres tyres. Click any size for a detailed conversion.
Quick Converter
| Width | Sidewall |
|---|---|
| 6.1" | 4.0" |
| 6.5" | 4.2" |
| 6.9" | 4.5" |
| 7.3" | 4.7" |
| 6.9" | 4.5" |
| 7.3" | 4.7" |
| 7.7" | 5.0" |
| 8.1" | 5.3" |
| 7.3" | 4.0" |
| 7.7" | 4.2" |
| 7.3" | 4.4" |
| 7.7" | 4.6" |
| 8.1" | 4.4" |
| 8.5" | 4.7" |
| 8.9" | 4.9" |
| 8.1" | 4.8" |
| 8.5" | 5.1" |
| 8.9" | 5.3" |
| 8.5" | 3.8" |
| 8.9" | 4.0" |
| 9.3" | 4.2" |
| 9.6" | 4.3" |
| 8.5" | 4.2" |
| 8.9" | 4.4" |
| 8.5" | 4.7" |
| 8.9" | 4.9" |
| 9.3" | 5.1" |
| 8.9" | 3.5" |
| 9.3" | 3.7" |
| 9.6" | 3.9" |
| 10.0" | 4.0" |
| 8.9" | 4.0" |
| 9.3" | 4.2" |
| 9.6" | 4.3" |
| 9.3" | 4.6" |
| 9.3" | 5.1" |
| 9.3" | 3.2" |
| 9.6" | 3.4" |
| 10.0" | 3.5" |
| 9.6" | 3.9" |
| 10.0" | 4.0" |
| 9.6" | 4.3" |
| 10.0" | 4.5" |
| 9.6" | 3.4" |
| 10.0" | 3.5" |
| 10.8" | 3.8" |
| 9.6" | 3.9" |
| 10.0" | 4.0" |
| 10.8" | 4.3" |
| 10.0" | 4.5" |
Frequently Asked Questions
- How do I read the width tyre size notation?
- A metric tyre size like 8.9" describes the width in mm, aspect ratio as a percentage, and rim diameter in inches. For example, 8.9" 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 8.9" tyre?
- A 8.9" tyre has a sidewall of 4.9". The overall diameter affects ground clearance and speedometer calibration.