True-to-Size Millimeter Sizing Comparison
Birkenstock Mayari - Birko-Flor™ & Birkibuc™ vs Crocs Work Bistro Graphic Clog
Detailed size conversion chart, cavity measurements in millimeters, and crowd-sourced fit advice for choosing your perfect size.
Interactive Size Converter
Select what size you wear in the Mayari - Birko-Flor™ & Birkibuc™ to see your calculated size in the Bistro Graphic Clog.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Mayari - Birko-Flor™ & Birkibuc™ (US) | Internal Cavity | Bistro Graphic Clog Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 4.5 | 237 mm | US 3.5 | 17% | +7.0 mm |
| US 5 | 241 mm | US 3.5 | 65% | +3.0 mm |
| US 5.5 | 244 mm | US 3.5 | 100% | 0.0 mm |
| US 6 | 247 mm | US 4 | 100% | 0.0 mm |
| US 6.5 | 251 mm | US 4.5 | 100% | 0.0 mm |
| US 7 | 254 mm | US 5 | 100% | 0.0 mm |
| US 7.5 | 257 mm | US 5.5 | 100% | 0.0 mm |
| US 8 | 261 mm | US 6 | 100% | 0.0 mm |
| US 8.5 | 264 mm | US 6.5 | 100% | 0.0 mm |
| US 9 | 271 mm | US 7 | 100% | 0.0 mm |
| US 9.5 | 274 mm | US 7.5 | 100% | 0.0 mm |
| US 10 | 277 mm | US 8 | 100% | 0.0 mm |
| US 10.5 | 281 mm | US 8.5 | 100% | 0.0 mm |
| US 11 | 284 mm | US 9 | 100% | 0.0 mm |
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Frequently Asked Questions
How does the Mayari - Birko-Flor™ & Birkibuc™ size compare to the Bistro Graphic Clog?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Mayari - Birko-Flor™ & Birkibuc™ has an internal fit offset of 4mm compared to 4mm for the Bistro Graphic Clog.
Do these shoes fit wide feet comfortably?
The Mayari - Birko-Flor™ & Birkibuc™ has a standard medium width profile, while the Bistro Graphic Clog is standard medium.