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How to Measure Your Ring Size


At Soul Analyse, the majority of our affirmation rings are fully adjustable – you simply pull to widen and squeeze to tighten, taking the ring sizing conundrum out of the shopping.

However, we have recently launched our most exciting product yet – The Affirmation Spinner Ring – and understand it might be helpful to know how to measure your ring size. 

Home-measuring methods are very effective and if you happen to get it wrong at all, we offer a simple hassle-free way to send back your ring for a new size. 

How to measure your ring size at home

There are two ways to measure your ring size and both are as accurate as the other, it just depends on whether you already own rings.

You can either:

  • Measure the diameter of an already existing ring and then check it against the diameter in the sizing chart (below) to find your letter.


  • Take a piece of string or strip of paper.
  • Wrap it around the base of the finger.
  • Mark with a pen where the string/paper overlaps.
  • Line the string/paper up against a ruler to get the length in millimetres.
  • Check this measurement against the circumference in ring size chart to discover your letter. 

How do jewellers measure ring size?

Professional jewellers use, either, an industry-standard ring sizer (a collection of metal rings in each ring size, for you to try on your fingers), or, a multi-sizer gauge (a device resembling a small belt, with a buckle that slides down to your finger). 

What is the UK ring size system?

Ring sizing systems differ from country to country. In the UK and Ireland ring sizes are categorised by an alphabetical scale devised by the British Standards Institution (BSI). This scale also uses half sizes.

Most ring sizes in the UK fall between I-Z. The most common ring size for women is N ½ and T ½ for men.

Useful tips for measuring your ring size

  • If your knuckles are larger than the base of your finger, measure in both places and then pick a size in between.
  • Take your measurements 2-3 times, for accuracy.
  • Check the loop of the string or paper you’re using to see how easily it slides off over the knuckle – you want it to be snug, but not stuck!
  • If you’re estimating based on another ring’s measurements, try to use a similar ring to the one you want to buy. Wide band rings have a tighter fit than those with thin bands. 
  • If you’re not 100% sure, always opt for larger over smaller.
  • If you’re not 100% sure and you’re after a tension ring (where the gemstone is held in place by the band) or a ring where gemstones wrap around the band, it’s best to visit the jeweller for measuring. This is because these types of rings are difficult – sometimes impossible – to resize. 

Did you know…?

  • The fingers on your dominant hand are usually larger so bear that in mind if you’re measuring a ring from a different hand. 
  • Finger size changes depending on time of day and weather. For example, fingers are usually colder and therefore smaller in the morning. Measure them in the evening or when they’re warm so you don’t end up with a loose-fitting ring.

How to secretly find out someone’s ring size

Whether it’s an engagement ring or a present for a friend, having the ring fit the first time is always the ideal scenario. This needn’t be an impossible task, but you will have to get stealthy!

The best way to surreptitiously find out the recipient’s ring size is to borrow another of their rings from the same finger and measure it. If you’re buying an engagement ring, and getting hold of a same-finger ring isn’t possible, try for a middle-finger ring on the same hand – middle fingers are the next up in size from ring fingers. 

Whether it’s a gift for a loved one or yourself, Soul Analyse’s beautifully delicate rings (both finger and toe!) serve to empower, inspire and reassure. Shop the collection here.  

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