INTERNATIONAL RING SIZE CHART
Circumference
(mm)
Diameter
(mm)
UK
Australia
USA
Canada
Germany
Scandinavia
Japan
China
India
France
Russia
44.1414.05F314444
44.4514.15F ½----
44.7714.25F ¾3 ¼---
45.1114.36G--5-
45.4014.45G ¼3 ½14 ½-45 ½
45.7414.56G ½--6-
46.0214.65H3 ¾---
46.6814.86H ½415746 ½
47.2515.04I4 ¼---
47.9715.27I ½4 ½15 ¼847 ¾
48.3815.40J-15 ½--
48.7915.53J ¼4 ¾--49
49.3215.70J ½515 ¾9-
49.6415.80K----
49.9515.90K ¼5 ¼--50
50.2716.00K ½--10-
50.5816.10L5 ½16--
51.2116.30L ¼5 ¾--51 ¾
51.5516.41L ½6---
51.8716.51M-16 ½12-
52.5016.71M ½6 ¼--52 ¾
53.1616.92N6 ½1713-
53.8217.13N ½6 ¾--54
54.5117.35O717 ¼14-
54.8217.45O ½7 ¼--55 ¼
55.7617.75P7 ½17 ¾15-
56.4517.97P ½7 ¾--56 ½
57.1518.19Q81816-
57.6518.35Q ½8 ¼--57 ¾
58.2118.53Q ¾8 ½18 ½17-
58.4718.61R----
58.7218.69R ¼8 ¾--59
59.0618.80R ½----
59.3418.89R ¾91918-
60.0019.10S----
60.3819.22S ¼9 ¼--60 ¼
60.6619.31S ½----
60.9819.41S ¾9 ½19 ½19-
61.2919.51T----
61.6419.62T ¼9 ¾--61 ½
62.3319.84T ½102020-
62.8920.02U10 ¼-2162 ¾
63.4620.20U ½10 ½20 ¼22-
63.8420.32V---63
64.2120.44V ¼10 ¾---
64.9720.68V ½1120 ¾23-
65.2220.76W---65
65.5020.85W ¼11 ¼---
65.7820.94W ½----
66.2221.08W ¾11 ½2124-
66.5421.18X---66 ¼
66.7321.24X ¼11 ¾---
66.9221.30X ½----
67.5121.49Y1221 ¼2567 ½

Disclaimer: this chart is a guide only. If you are unsure about your ring size, please contact us before
placing your order. We will hapilly assist you with choosing your correct ring size