Internal DiameterUS Size
14mm3
14.5mm3.5
15mm4
15.3mm4.5
15.6mm5
16.2mm5.5
16.6mm6
16.9mm6.5
17.2mm7
17.8mm7.5
18.1mm8
18.5mm8.5
19.1mm9
19.4mm9.5
19.7mm10
20.4mm10.5
20.7mm11

Measure your finger AT HOME

  • Cut a piece of ribbon or piece of string
  • Wrap the ribbon or string tightly around the correct finger. 
  • Make a mark where the ribbon or string meets. 
  • Measure the distance with a ruler (in mm).
  • Compare the mm to our ring size chart. 
Circumference44.2mm45.5mm46.8mm48.0mm49.3mm50.6mm51.9mm53.1mm54.4mm55.7mm57.0mm
58.3mm59.5mm60.8mm62.1mm63.4mm64.6mm
US Size
33.544.555.566.577.588.599.51010.511
Circumference54.4mm55.7mm57.0mm58.3mm59.5mm60.8mm62.1mm63.4mm64.6mm
US Size77.588.599.51010.511
Circumference (mm)US Size
44.23
45.53.5
46.84
48.04.5
49.35
50.65.5
51.96
53.16.5
54.47
55.77.5
57.08
58.38.5
59.59
60.89.5
62.110
63.410.5
64.611