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Guide

How to Determine Your Ring Size (Free Ring Sizer)

How to Determine Your Ring Size (Free Ring Sizer)

Ring size is an important element in creating a custom ring! Read on for ring sizing tips, an international ring sizing chart, and how to get a free professional ring sizing kit. 

How do I find my ring size? 

The best way to find out your ring size is to visit a reputable jeweler who can assist you. We do not recommend the adjustable plastic sizers available to purchase online as they can be extremely inaccurate.

If you cannot visit a jeweler, we will send free professional sizing kits to our clients! These are the same sizers our design team uses with clients in our showrooms to ensure an accurate fit. Contact us to get your sizing kit! *See below for conditions.

When finding your ring size, know that your fingers can fluctuate 1/4 to a 1/2 size bigger or smaller from the temperature of the room or if you've consumed salt or alcohol recently. Try measuring at different times on different days to confirm your size. 

Resizing Rings at Joseph Jewelry

How do I know it's the right size?

It should be slightly difficult to get the ring off your finger. It shouldn't feel tight, but it should be snug. Even with wet hands, the ring shouldn't be able to slide off on its own. Keep in mind, we rarely make rings too small.

Wider rings will fit tighter than narrow rings. On average, women's ring finger sizes are around 5-6 and men's are around 8-10.

Joseph Jewelry Sizing Rings

What if the ring is a surprise? 

If you're planning a surprise ring, don't worry! The best option is to sneak the size from a ring they wear on the same finger. If that isn't possible, ask their friends to help. Every finger is a different size, even between the same finger on the left and right hands, so try to get the accurate finger size. 

For every custom ring, the first resizing is complimentary* within two months of pick-up, so we can adjust the size once you present the ring. 

*Certain styles, such as eternity bands, must be made in the correct size from the beginning and cannot be resized. 

Joseph Jewelry Sizing Rings

Why is ring size so important?

The ring size is important so that the ring goes on their finger when you propose and also doesn't fall off immediately. After the complimentary resize, the ring should stay on the finger and not slide off without assistance, even with wet hands. 

Structurally, we recommend not having to resize up or down more than a size or two so that the diamonds and gems on the band stay secure in their original setting. This is why it's recommended to at least come close to the right size the first time.  

Joseph Jewelry Ring Resizing

How does the jeweler resize my ring?

Sizing down: This is the most common resizing. The jeweler will cut a small segment out of the metal at the bottom of the ring, gently guide the ends together, and seamlessly seal the cut using a torch or laser depending on the metal. 

Sizing up: This is a bit more tricky. Some jewelers will stretch the metal out to make it larger, but we believe that ruins the ring's structural integrity. Our experienced jewelers make a cut at the bottom of the ring, gently pull the sides apart, and insert new metal in the gap, sealing the cut with a torch or laser. 

When resizing, we'll also check all the gems in your ring to make sure they're secure and do a full cleaning to make it look brand new!  

Joseph Jewelry Ring Resizing Tool

Ring Sizing Conversion Table

This table covers nearly all the sizing systems in the world. Please note this table is a guide and we will create your ring in the US size you tell us, so we ultimately recommend confirming your size at a jeweler. Some countries may use multiple sizing systems. 

Inside Circumference Inside Diameter North American Wheat Sheaf System European System (ISO) Swiss System German System Japanese System Brazil System
(in) (mm) (in) (mm) US, Canada, Mexico UK, Ireland, Australia, New Zealand, South Africa France, Germany, Austria, Belgium, Scandinavia Italy, Spain, Switzerland, Netherlands Russia, Ukraine, Belarus Japan, China, Korea, Hong Kong, Taiwan, Singapore, India Brazil
1.74 44.2 0.55 14.1 3 F 44 4.2 14.00 4 7
1.77 44.8 0.56 14.3 3.25 G 44.5 4.8 14.25 5 8
1.79 45.5 0.57 14.5 3.5 G 1/2 45.5 5.5 14.50  - 9
1.82 46.1 0.58 14.7 3.75 H 46 6.1 14.75 6  -
1.84 46.8 0.59 14.9 4 H 1/2 46.5 6.8 15.00 7 10
1.87 47.4 0.59 15.1 4.25 47.5 7.4 - -  -
1.89 48 0.60 15.3 4.5 I 1/2 48 8 15.25 8 11
1.92 48.7 0.61 15.5 4.75 J 48.5 8.7 - - 12
1.94 49.3 0.62 15.7 5 J 1/2 49 9.3 15.75 9 13
1.97 50 0.63 15.9 5.25 K 50 10 - -  
1.99 50.6 0.63 16.1 5.5 K 1/2 50.5 10.6 16.00 10 14
2.02 51.2 0.64 16.3 5.75 L 51 11.2 - 11 -
2.04 51.9 0.65 16.5 6 L 1/2 51.5 11.9 16.50 12 15
2.07 52.5 0.66 16.7 6.25 M 52.5 12.5 - - 16
2.09 53.1 0.67 16.9 6.5 M 1/2 53 13.1 17.00 13 -
2.12 53.8 0.67 17.1 6.75 N 54 13.8 - - 17
2.14 54.4 0.68 17.3 7 N 1/2 54.5 14.4 17.25 14 -
2.17 55.1 0.69 17.5 7.25 O 55.1 15.1 - - 18
2.19 55.7 0.70 17.7 7.5 O 1/2 55.5 15.7 17.75 15 19
2.22 56.3 0.71 17.9 7.75 P 56 16.3 - - -
2.24 57 0.71 18.1 8 P 1/2 57 17 18.00 16 20
2.27 57.6 0.72 18.3 8.25 Q 57.5 17.6 - - -
2.29 58.3 0.73 18.5 8.5 Q 1/2 58 18.3 18.50 17 21
2.32 58.9 0.74 18.8 8.75 R 59 18.9 - - 22
2.34 59.5 0.75 19.0 9 R 1/2 59.5 19.5 19.00 18 -
2.37 60.2 0.75 19.2 9.25 S 60 20.2 - - 23
2.39 60.8 0.76 19.4 9.5 S 1/2 61 20.8 19.50 19 24
2.42 61.4 0.77 19.6 9.75 T 61.5 21.4 - - -
2.44 62.1 0.78 19.8 10 T 1/2 62 22.1 20.00 20 25
2.47 62.7 0.79 20.0 10.25 U 62.5 22.7 - 21 -
2.49 63.4 0.79 20.2 10.5 U 1/2 63.5 23.4 20.25 22 26
2.52 64 0.80 20.4 10.75 V 64 24 - - 27
2.54 64.6 0.81 20.6 11 V 1/2 64.5 24.6 20.75 23 -
2.57 65.3 0.82 20.8 11.25 W 65.5 25.3 - - 28
2.59 65.9 0.83 21.0 11.5 W 1/2 66 25.9 21.00 24 -
2.62 66.6 0.83 21.2 11.75 X 66.5 26.6 - - 29
2.65 67.2 0.84 21.4 12 X 1/2 67 27.2 21.25 25 30
2.67 67.8 0.85 21.6 12.25 Y 68 27.8 - - -
2.7 68.5 0.86 21.8 12.5 Y 1/2 68.5 28.5 21.75 26 31
2.72 69.1 0.87 22.0 12.75 Z 69 29.1 - - -
2.75 69.7 0.87 22.2 13 Z 1/2 70 29.7 22.00 27 32

 

Design Your Own Engagement Ring

Have an idea of the ring you want? Or are you thinking about customizing an existing ring? Fill out our design form or click "Customize" on any of the pieces on our website and our designers will get back to you with options within 24 hours. 

 

* Free sizing kit conditions: Kits are sent to clients who have made a deposit to begin the custom design process. Clients must live in the US and must request through their messaging portal that the kit be sent to them. If the project is on a tight timeline, we strongly recommend visiting a local jeweler for the size instead so we can make sure we meet your due date. 

 

All photos are property of Joseph Jewelry. Do not use without permission. 

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