To find your ring size, measure the circumference of your finger and divide by 3.14 to calculate the diameter. Use the chart below to match your measurement to the closest ring size.
For best results, measure your finger at the end of the day when it’s at its largest, and avoid taking measurements when your hands are cold. Use the chart below to determine your ring size.
Ring Sizing
UK SIZING
INTERNAL DIAMETER (MM)
17.12 | N
17.53 | O
17.93 | P
18.34 | Q
18.75 | R
19.15 | S
19.56 | T
19.96 | U
20.37 | V
20.78 | W
21.18 | X
21.59 | Y
21.79 | Z
12.04 | A
12.45 | B
12.85 | C
13.26 | D
13.67 | E
14.07 | F
14.48 | G
14.88 | H
15.29 | I
15.49 | J
15.90 | K
16.31 | L
16.71 | M
