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