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How to Measure Ring Size UK

There are several ways to check your size before you buy that perfect ring. The most accurate is to visit your nearest showroom where we can measure your finger exactly

Mappin & Webb ring sizer chart

If you are purchasing a ring as a gift and would prefer to measure ring size at home, we are more than happy to send you a free UK ring size chart. To request yours, please contact our customer experience team on freephone 0800 111 4524 during the following times:

  • Monday-Friday: 9:00am - 5:00pm
  • Bank holidays: 9am - 5pm

If you are calling from outside the UK, please dial +44 (0)116 2901237. Calls from outside the UK are chargeable.

Need to know your ring size in a hurry? Download our handy ring size calculator, and follow the instructions on how to carry out your measurements.

To help you match your dimensions with the corresponding ring size in mm, please use our exclusive ring size chart below:

Ring size (UK) Measurement (mm) Ring size (UK) Measurement (mm)
A 37.8 N 53.8
B 39.1 O 55.1
C 40.4 P 56.3
D 41.7 Q 57.6
E 42.9

R

58.9
F 44.2 S 60.2
G 45.5 T 61.4
H 46.8 U 62.7
I 48.0 V 64.0
J 48.7 W 65.3
K 50.0 X 66.6
L 51.2 Y 67.8
M 52.5 Z 68.5

Does the style of ring affect my ring size?

Rings which have a deep band width should always be slightly larger than usual, so remember to consider this when checking your size.

What if my ring is too big or too small?

If you find that the ring you've bought from us is too big or small, just take it along to one of our showrooms. We'll either re-size or exchange it to ensure you always get the perfect fit.

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