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How to know the ring size: 3 super easy ways

Find out how to know which ring size is perfect for you with 3 simple tricks that you can do in a jiffy. 

We know how difficult it is to buy rings online and get your ring size right. What size ring do I wear? What size ring does the person I want to give as a gift wear? In LAVANI we tell you several ways to find out the ring size you need, choose the easiest one for you!


  1. Measure the diameter of an existing ring

  2. Measuring your finger to know the size of a ring 

  3. Home tips: how to know my ring size

Let's start with our ultimate ring sizing guide so you know what ring size you are.


1. Measure the diameter with an existing ring

  1. Choose a ring that is comfortable on the finger you want the ring for.
  2. Measure the inner diameter of the ring (in mm, remember 10mm = 1cm) with a ruler.
  3.  Use the chart below to find out what size ring you wear.

2. Measuring your finger to find out the size of a ring

1. Print our cutout on paper and surround the finger where you want the ring with it.
2. Make sure it fits snugly, the tighter the better, to make it your perfect ring size. Pull firmly to fit the meter to the finger.
3. Mark the measurement that protrudes from the meter.
4. Use the table below below to know your ring size ring size.
V. Thank you to the length of the circumference of the finger, and you will be able to know which ring size ring I have. 
Length (mm) Size Europe Size USA and UK



4 1/2



5 3/4



5 1/4



5 3/4






6 1/4



6 3/4



7 1/4



7 1/12




3. Home tips: how to know my ring size

You can also make your own ring gauge, if you have a stiff ruler. You only have to cut a strip of paper about 2 cm wide, and do the same process that we have explained in the previous step.

And if you have a sewing tape measure or thread, you can also measure your finger circumference easily and find out your ring size using the chart.


Tips and tricks for measuring the size of the ring

Tips and tricks to take into account when measuring ring size 

  • Check the size of your knuckles, to make sure your ring fits. 
  • Measure your fingers at the end of the day, as their thickness may increase. 
  • Cold toes can cause them to shrink up to half a size, so make sure your toes are warm. Heat can also cause the fingers to swell. 
  • Also, alcohol and salt can make your fingers swell, so avoid measuring them after a cocktail or appetizer. 
  • If you are in doubt between two ring sizes, choose the larger one. And in large rings, it is better to add one size. It is better that they fit loosely than too tightly. 

You still have doubts?

Our customer service team will be happy to help and advise you and answer any questions you may have about how to find your ring size. Contact us here.

Get our adjustable rings and forget about the sizes!

¡Become with the rings adjustablerings from LAVANI y forget about sizes! We know how difficult it is to find the right size, so we made a lot of , with the regulation super disguised, so you can buy without doubts. They also serve as rings for large sizes. These are our favorites:


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