US
11.5
=
Australia
11
(29.5cm)
Also: UK 11EU 45.5JP 29.5CN 46KR 295BR 44MX 10.5
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Full Size Chart
| US | UK | EU | JP | CN | KR | BR | MX | AU | Foot length |
|---|---|---|---|---|---|---|---|---|---|
| 3.5 | 3 | 35 | 21.5 | 35 | 215 | 33 | 2.5 | 3 | 21.5cm |
| 4 | 3.5 | 36 | 22 | 36 | 220 | 34 | 3 | 3.5 | 22cm |
| 4.5 | 4 | 36.5 | 22.5 | 36 | 225 | 34 | 3.5 | 4 | 22.5cm |
| 5 | 4.5 | 37 | 23 | 37 | 230 | 35 | 4 | 4.5 | 23cm |
| 5.5 | 5 | 37.5 | 23.5 | 38 | 235 | 36 | 4.5 | 5 | 23.5cm |
| 6 | 5.5 | 38 | 24 | 38 | 240 | 36 | 5 | 5.5 | 24cm |
| 6.5 | 6 | 39 | 24.5 | 39 | 245 | 37 | 5.5 | 6 | 24.5cm |
| 7 | 6.5 | 40 | 25 | 40 | 250 | 38 | 6 | 6.5 | 25cm |
| 7.5 | 7 | 40.5 | 25.5 | 41 | 255 | 39 | 6.5 | 7 | 25.5cm |
| 8 | 7.5 | 41 | 26 | 41 | 260 | 39 | 7 | 7.5 | 26cm |
| 8.5 | 8 | 42 | 26.5 | 42 | 265 | 40 | 7.5 | 8 | 26.5cm |
| 9 | 8.5 | 42.5 | 27 | 42 | 270 | 41 | 8 | 8.5 | 27cm |
| 9.5 | 9 | 43 | 27.5 | 43 | 275 | 41 | 8.5 | 9 | 27.5cm |
| 10 | 9.5 | 44 | 28 | 44 | 280 | 42 | 9 | 9.5 | 28cm |
| 10.5 | 10 | 44.5 | 28.5 | 44 | 285 | 43 | 9.5 | 10 | 28.5cm |
| 11 | 10.5 | 45 | 29 | 45 | 290 | 43 | 10 | 10.5 | 29cm |
| 11.5 | 11 | 45.5 | 29.5 | 46 | 295 | 44 | 10.5 | 11 | 29.5cm |
| 12 | 11.5 | 46 | 30 | 46 | 300 | 44 | 11 | 11.5 | 30cm |
| 13 | 12.5 | 47 | 31 | 47 | 310 | 45 | 12 | 12.5 | 31cm |
| 14 | 13.5 | 48 | 32 | 48 | 320 | 46 | 13 | 13.5 | 32cm |
Convert US 11.5 to Other Systems
Looking for the AU equivalent of US 11.5? In standard men's shoe sizing, it converts to AU 11. Your measurement of approximately 29.5cm corresponds to this size. These conversions are based on industry-standard measurements. Individual brands may have minor sizing differences, so checking the brand's own sizing guide alongside this conversion can help ensure a perfect fit.
Frequently Asked Questions
What is US 11.5 in AU men's shoe?
US size 11.5 in men's shoe is equivalent to AU size 11. This conversion is based on standard international sizing charts and is widely accepted across brands and retailers.
What is US 11.5 in other sizing systems?
US size 11.5 in men's shoe converts to: UK 11, EU 45.5, JP 29.5. Use our converter above to see all available systems.
Is US 11.5 the same as AU 11?
Yes, US 11.5 is equivalent to AU 11 in standard men's shoe sizing. However, fit can vary between brands, so trying on items or checking brand-specific size charts is always recommended.
How accurate are shoe size conversions?
Our size conversions are based on international standards and verified against multiple authoritative sources. They represent the most widely accepted equivalents. However, individual brands may size slightly differently, so we recommend trying items on when possible or checking the brand's own size guide.
Explore Other Converters
Need help? Read our How to Measure Shoe Size guide.