USA UK NZ AUS Ring Sizes

Comparing Ring Sizes

The chart below shows how the USA ring sizing compares to the UK, NZ and AUS ring sizing. It also shows the mm measurement around the finger. If you would like a free ring sizer, then please click here.

Diameter
(mm)
USA UK / Australia /
New Zealand
14.05 3 F
14.45 3.5 G
14.86 4 H ½
15.27 4.5 I ½
15.70 5 J ½
16.10 5.5 L
16.51 6 M
16.92 6.5 N
17.35 7 O
17.75 7.5 P
18.19 8 Q
18.53 8.5 Q ½
18.89 9 R
19.41 9.5 S ¼
19.84 10 T ½
20.20 10.5 U ½
20.68 11 V ½
21.08 11.5 W
21.49 12 X
21.89 12.5 Y ½
22.33 13 Z

Things to note when sizing a ring

Always measure a finger when it is warm and when you are hydrated. Note it may take several hours for your body to warm up if you come in from the cold. If you are giving a ring as a secret, we can help give you some ring size advice.

 
Enquire about ring sizes
 

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