Shoes
Russian shoe sizes usually run about one size below EU sizes.
Russian size ≈ 39
Clothing
| Russia | EU | UK | US |
|---|---|---|---|
| 40 | 34 | 6 | 4 |
| 42 | 36 | 8 | 6 |
| 44 | 38 | 10 | 8 |
| 46 | 40 | 12 | 10 |
| 48 | 42 | 14 | 12 |
| 50 | 44 | 16 | 14 |
| 52 | 46 | 18 | 16 |
| 54 | 48 | 20 | 18 |
These are common conventions, not a standard every brand follows. Check the seller's size chart in centimetres, especially on marketplaces.