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The ultimate guide to...

Ring measurement

You've found the perfect ring and all you need now is to find your ring size. To help you, we've put together four simple steps for you to follow so that when your ring arrives, you can wear it straight away.

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Tips for ring measurement

  • Use a strip of paper or string and wrap it around the base of your finger.
  • Mark the string or paper where it touches to form a complete circle.
  • Using a ruler or measuring tape, measure the length of the string or paper up to where it is marked.
  • Using the chart below compare your measurement to determine your ring size.
  • Costume ring sizing: Small 17mmm, Medium 18mm, Large 19mm, Adjustable shank 18mm when fully closed Claim your free finger sizer by mailing ringsizers@swesky.co.uk
  • Size chart - Follow our measurement guide to discover your ring size.

    Inside circumference (ins) Inside circumference (mm) UK
    1.438 36.5
    1.463 37.2
    1.488 37.8 A
    1.513 38.4 A1/2
    1.539 39.1 B
    1.564 39.7 B1/2
    1.589 40.4 C
    1.614 41 C1/2
    1.639 41.6 D
    1.664 42.3 D1/2
    1.689 42.9 E
    1.714 43.5 E1/2
    1.765 44.8 F1/2
    1.79 45.5 G
    1.815 46.1 G1/2
    1.84 46.7 H
    1.865 47.4 H1/2
    1.89 48 I
    1.915 48.7 J
    1.941 49.3 J1/2
    1.966 49.9 K
    1.991 50.6 K1/2
    2.016 51.2 K1/2
    2.041 51.8 L1/2
    2.066 52.5 M
    2.091 53.1 M1/2
    2.116 53.8 N
    2.141 54.4 N1/2
    2.167 55 0
    2.192 55.7 O1/2
    2.217 56.3 P
    2.242 56.9 P1/2
    2.267 57.6 Q
    2.292 58.2 Q1/2
    2.317 58.9 R
    2.342 59.5 R1/2
    2.368 59.5 S
    2.393 60.8 S1/2
    2.418 61.4 T
    2.443 62.1 T1/2
    2.468 62.7 U
    2.493 63.3 U1/2
    2.518 64 V
    2.543 64.6 V1/2
    2.569 65.2 V1/2
    2.594 65.9 W1/2
    2.619 66.5 X
    2.644 67.2 X1/2
    2.669 67.8 Y
    2.694 68.4 Z
    2.719 69.1 Z1/2
    2.744 69.7
    2.769 70.3 Z1
    2.795 71
    2.795 71.6 Z2
    2.82 71.6 Z2
    2.845 72.3 Z3
    2.87 72.9
    2.895 73.5 Z4
    2.92 74.2
    2.945 74.8
    2.97 75.4
    2.996 76.1
    3.021 3.046 77.4