{"id":135,"date":"2026-04-14T04:59:14","date_gmt":"2026-04-14T04:59:14","guid":{"rendered":"https:\/\/gaura.style\/th\/?page_id=135"},"modified":"2026-04-14T04:59:14","modified_gmt":"2026-04-14T04:59:14","slug":"size-guide","status":"publish","type":"page","link":"https:\/\/gaura.style\/th\/size-guide\/","title":{"rendered":"Size Guide"},"content":{"rendered":"\t\t
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Reference<\/p>\n\t\t\t\t\t

Size Guide<\/h1>\n\t\t\t\t\t

Use the Gaura size chart below to compare internal diameter with common US, UK, EU, and Japan references.<\/p>\n\t\t\n<\/section>\n

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Ring size chart<\/h2>\n\t\t\t\t\t

Measure an existing ring that fits well, compare the internal diameter in millimeters, and match it to the chart below.<\/p>\n\t\t\t\t

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Gaura Size<\/th>Diameter (mm)<\/th>USA<\/th>UK<\/th>Europe (EU)<\/th>Japan<\/th><\/tr>\n<\/thead>\n
12<\/td>12<\/td>–<\/td>–<\/td>–<\/td>–<\/td><\/tr>\n
12.5<\/td>12.5<\/td>–<\/td>–<\/td>–<\/td>–<\/td><\/tr>\n
13<\/td>13<\/td>–<\/td>–<\/td>–<\/td>–<\/td><\/tr>\n
13.5<\/td>13.5<\/td>–<\/td>–<\/td>–<\/td>–<\/td><\/tr>\n
14<\/td>14<\/td>3<\/td>F<\/td>44<\/td>4<\/td><\/tr>\n
14.5<\/td>14.5<\/td>3.5<\/td>G<\/td>45<\/td>5<\/td><\/tr>\n
15<\/td>15<\/td>4<\/td>H<\/td>47<\/td>7<\/td><\/tr>\n
15.5<\/td>15.5<\/td>4.5<\/td>I<\/td>48.5<\/td>8<\/td><\/tr>\n
16<\/td>16<\/td>5<\/td>J<\/td>50<\/td>9<\/td><\/tr>\n
16.5<\/td>16.5<\/td>5.5<\/td>K<\/td>51.5<\/td>11<\/td><\/tr>\n
17<\/td>17<\/td>6<\/td>L<\/td>52.5<\/td>12<\/td><\/tr>\n
17.5<\/td>17.5<\/td>7<\/td>M<\/td>54<\/td>14<\/td><\/tr>\n
18<\/td>18<\/td>7.5<\/td>N<\/td>55.5<\/td>15<\/td><\/tr>\n
18.5<\/td>18.5<\/td>8<\/td>O<\/td>57<\/td>16<\/td><\/tr>\n
19<\/td>19<\/td>8.5<\/td>P<\/td>58<\/td>17<\/td><\/tr>\n
19.5<\/td>19.5<\/td>9<\/td>R<\/td>60<\/td>18<\/td><\/tr>\n
20<\/td>20<\/td>10<\/td>T<\/td>62<\/td>20<\/td><\/tr>\n
20.5<\/td>20.5<\/td>10.5<\/td>U<\/td>63<\/td>22<\/td><\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t
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