Choosing the right tyre size for your bike is essential for a smooth and comfortable ride. Bicycle tyre sizes can be confusing as they are often measured in inches, millimetres, or both. To help you navigate through the different sizing standards, here is a handy bicycle tyre size conversion chart:
Recommended reading: Bike Direct
Below is a conversion chart that shows the common tyre sizes and their equivalent measurements in inches and millimetres:
Bicycle Tyre Size Conversion Chart
| Tyre Size | Inches | Millimetres |
|---|---|---|
| 20 x 1.75 | 20 | 44 |
| 26 x 1.95 | 26 | 50 |
| 700 x 25c | 700 | 25 |
Choosing the Right Tyre Size
When selecting a new tyre for your bike, it’s important to match the size to your wheel diameter and width. Refer to the conversion chart to find the equivalent size for your current tyre, then choose a replacement that matches these measurements. Additionally, consider the type of riding you do and the terrain you ride on when selecting a tyre size.