Width to Diameter Car Tyres Tyres Size Chart
Complete Width to Diameter size conversion chart for car tyres tyres. Click any size for a detailed conversion.
Quick Converter
| Width | Diameter |
|---|---|
| 6.1" | 22.1" |
| 6.5" | 22.4" |
| 6.9" | 22.8" |
| 7.3" | 23.2" |
| 6.9" | 24.0" |
| 7.3" | 24.5" |
| 7.7" | 25.0" |
| 8.1" | 25.5" |
| 7.3" | 23.0" |
| 7.7" | 23.4" |
| 7.3" | 23.7" |
| 7.7" | 24.2" |
| 8.1" | 24.9" |
| 8.5" | 25.3" |
| 8.9" | 25.7" |
| 8.1" | 25.7" |
| 8.5" | 26.2" |
| 8.9" | 26.6" |
| 8.5" | 24.6" |
| 8.9" | 25.0" |
| 9.3" | 25.3" |
| 9.6" | 25.7" |
| 8.5" | 25.5" |
| 8.9" | 25.9" |
| 8.5" | 26.3" |
| 8.9" | 26.7" |
| 9.3" | 27.2" |
| 8.9" | 25.1" |
| 9.3" | 25.4" |
| 9.6" | 25.7" |
| 10.0" | 26.0" |
| 8.9" | 26.0" |
| 9.3" | 26.3" |
| 9.6" | 26.7" |
| 9.3" | 27.3" |
| 9.3" | 28.2" |
| 9.3" | 25.5" |
| 9.6" | 25.8" |
| 10.0" | 26.0" |
| 9.6" | 26.7" |
| 10.0" | 27.0" |
| 9.6" | 27.7" |
| 10.0" | 28.0" |
| 9.6" | 26.8" |
| 10.0" | 27.0" |
| 10.8" | 27.6" |
| 9.6" | 27.7" |
| 10.0" | 28.0" |
| 10.8" | 28.7" |
| 10.0" | 29.0" |
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 diameter of 26.7".
- 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 diameter of 26.7". The overall diameter affects ground clearance and speedometer calibration.