ISO / EU sizing reference
Ring size chart
EU/ISO is the manufacturing size and equals the inner circumference in millimetres. French sizing follows the same scale; US and UK values are approximate references.
48
FR US ≈ UK ≈
49
FR US ≈ UK ≈
50
FR US ≈ UK ≈
51
FR US ≈ UK ≈
52
FR US ≈ UK ≈
53
FR US ≈ UK ≈
54
FR US ≈ UK ≈
55
FR US ≈ UK ≈
56
FR US ≈ UK ≈
57
FR US ≈ UK ≈
58
FR US ≈ UK ≈
59
FR US ≈ UK ≈
60
FR US ≈ UK ≈
61
FR US ≈ UK ≈
62
FR US ≈ UK ≈
63
FR US ≈ UK ≈
64
FR US ≈ UK ≈
65
FR US ≈ UK ≈
66
FR US ≈ UK ≈
67
FR US ≈ UK ≈
