Belt Size Converter
Convert between US, EU, UK belt sizes and measurements in centimeters and inches.
Type in any field — the others update instantly.
Belt sizes vary by region. Most are based on waist measurement, but conventions differ.
US/UK belt sizes are in inches. They typically add 2 inches to your trouser waist size. So a size 34 trouser = size 36 belt.
EU belt sizes are in centimeters, measured at the middle hole.
Conversion:
- 1 inch = 2.54 cm (exact)
Common belt size chart:
| US/UK Belt | EU Belt | Waist (in) | Waist (cm) |
|---|---|---|---|
| 30 | 76 | 28 | 71 |
| 32 | 81 | 30 | 76 |
| 34 | 86 | 32 | 81 |
| 36 | 91 | 34 | 86 |
| 38 | 97 | 36 | 91 |
| 40 | 102 | 38 | 97 |
| 42 | 107 | 40 | 102 |
| 44 | 112 | 42 | 107 |
Tip: Measure your existing belt from the buckle pin to the hole you use most.