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How to Measure Ring Size

Created: Feb 05, 2015

You can download the returns form to get your ring resized within 3 months of purchase.

Download the Returns PDF by Clicking Here

 

Please review the following ring size guide if you are in any doubt about the right ring size. This will help ensure that the ring you purchase will fit perfectly for years to come.


How To Measure Your Finger

In order to measure your finger accurately, please follow these steps

  • Place a piece of string or a paper strip around the base of your finger.
  • Mark the string or paper where it overlaps to form a complete circle.
  • Measure the length of the section of string or paper with a ruler or tape measure
  • Take your measurement in centimetres or millimetres and compare with our chart below.

Finger Measurement Conversion Table

Compare your finger measurement with the chart below to determine your ring size.

British Irish Australian EquivalentNo. Size US/Canada StandardInside Diameter (Inches)Inside Diameter (MM)Inside Circumference (Inches)Inside Circumference (MM)
A 0.25 - - - -
A 1/2 0.5 0.474 12 1.488 37.8
B 0.75 0.482 12.2 1.513 38.3
B 1/2 1 0.49 12.4 1.539 39.1
C 1.25 0.498 12.6 1.564 39.7
C 1/2 1.5 0.506 12.9 1.589 40.4
D 1.75 0.514 13.1 1.614 41
D 1/2 2 0.522 13.3 1.639 41.6
E 2.25 0.53 13.5 1.664 42.3
E 1/2 2.5 0.538 13.1 1.689 42.9
F 2.75 0.546 13.9 1.1714 42.5
F 1/2 3 0.554 14.1 1.74 44.2
G 3.25 0.562 14.3 1.765 44.8
G 1/2 3.5 0.57 14.5 1.79 45.5
H 3.75 0.578 14.7 1.815 46.1
H 1/2 4 0.586 14.9 1.84 46.7
G 3.25 0.562 14.3 1.765 44.8
G 1/2 3.5 0.57 14.5 1.79 45.5
H 3.75 0.578 14.7 1.815 46.1
H 1/2 4 0.586 14.9 1.84 46.7
I 4.25 0.594 15.1 1.865 47.4
I 1/2 4.5 0.602 15.3 1.89 48
J 4.75 0.61 15.5 1.915 48.7
J 1/2 5 0.618 15.7 1.941 49.3
K 5.25 0.626 15.9 1.966 49.9
K 1/2 5.5 0.634 16.1 1.991 50.6
L 5.75 0.642 16.3 2.016 51.2
L 1/2 6 0.65 16.5 2.041 51.8
M 6.25 0.658 16.7 2.066 52.5
M 1/2 6.5 0.666 16.9 2.091 53.1
N 6.75 0.674 17.1 2.116 53.8
N 1/2 7 0.682 17.3 2.141 54.4
O 7.25 0.69 17.5 2.167 55
O 1/2 7.5 0.698 17.7 2.192 55.7
P 7.75 0.706 17.9 2.217 56.3
P 1/2 8 0.714 18.1 2.242 56.9
Q 8.25 0.722 18.3 2.267 57.6
Q 1/2 8.5 0.73 18.5 2.292 58.2
R 8.75 0.738 18.7 2.317 58.9
R 1/2 9 0.746 18.9 2.342 59.5
S 9.25 0.754 19.2 2.368 60.1
S 1/2 9.5 0.762 19.4 2.393 60.8
T 9.75 0.77 19.6 2.418 61.4
T 1/2 10 0.778 19.8 2.443 62.1
U 0.786 0.778 20 2.468 62.7
U 1/2 10.5 0.794 20.2 2.493 63.3
V 10.75 0.802 20.4 2.518 64
V 1/2 11 0.81 20.6 2.543 64.6
W 11.25 0.818 20.8 2.569 65.2
W 1/2 11.5 0.826 21 2.594 65.9
X 11.75 0.834 21.2 2.619 66.5
X 1/2 12 0.842 21.4 2.644 67.2
Y 12.25 0.85 21.6 2.669 67.8
Y 1/2 12.5 0.858 21.8 2.694 68.4
Z 12.75 0.866 22 2.719 69.1
Z 1/2 13 - - - -
Z1 13.25 0.882 22.4 2.769 70.3
Z2 13.5 - - - -
Z3 13.75 0.898 22.8 2.82 71.6
Z4 14 0.906 23 2.845 72.3