Ring Size Chart

Japan  US & Canada Inside Circumference (mm)
#10 5 50.27
#12 6 51.87
#14 7 54.3
#16 8 57.15
#18 9 59.34
#21 10 1/4 63.21
#24 11 1/2 66.22
#25 12 67.51
#26 12 1/2 68.77

★ Measure your finger (Option 1)

  1. Wrap a thread around your finger.
  2. Put a mark on the thread as indicated in the image number 3 below. 
  3. Measure the length with your ruler.

★  Measure your finger (Option 2)

  •  Print out this PDF file on an A4 sheet of paper.

★  Measure an existing ring

  • Print out this PDF file on an A4 sheet of paper.