Cartier Ring Size Charts : How do I know my Cartier Ring Size?

October 24, 2022April 26, 2023 by Egle Goleckyte

The ring size can be engraved on your Cartier ring’s inner surface. If you don’t know your current size, wrap the measuring tape around the finger and read the number of millimeters/inches where the tape meets again. The length you now have is the inner circumference of the ring. You now know the circumference ring size of the finger. With this, you can find the right Cartier ring size in the below size charts.

cartier-ring-size-how-do-i-know-my-cartier-ring-size — Cartier ring size : How do I know my Cartier ring size ?

Are all Cartier rings the same size?

Please keep in mind that the style of the ring will also influence the size selection because a big ring is designed to be worn looser than a smaller model. The suitable ring size depends on the model you like and the finger circumference.
cartier

How do I know my Cartier ring size? What size is a 10 in Cartier rings? Are Cartier ring sizes accurate? All questions answered in the useful Cartier Ring Size Charts

Cartier Ring Sizing Table of Content

What are the different Ring Size Systems?
Cartier Ring Size Chart for Women and conversion
Cartier Ring Size Chart for Men’s Dimensions
Cartier Ring Width Size Chart
How to measure my Cartier ring size?
Convert your ring measurement into US ring sizes
Frequently Asked Questions About Ring sizes
Looking for luxury brands that fit your Cartier Ring?

Ring Sizing Systems

As a global brand Cartier rings are offered in many different sizing systems.
We have gathered it from many sources in various countries which allows you to determine your local ring size compared to those from other countries.
The list of countries includes the sizing systems of US & Canada, the United Kingdom & Australia, Germany, France & Russia, Japan, and Switzerland.

Women’s Cartier Ring Size

Ring Diameter (mm/Inches)	Inside Ring Circumference (mm/Inches)	Cartier Ring Size	Ring Size	French Ring Size	UK Ring Size	US Ring Size	Japanese Ring Size
15.4 mm / 0.60″	48.4 mm / 1.9″	08	XXS	48	I	4 1/2	7.8
15.7 mm / 0.62″	49.3 mm / 1.94″	09	–	49	J	5	8.8
16.0 mm / 0.63″	50.3 mm / 1.97″	10	XS	50	J – K	5 1/4	9.7
16.3 mm / 0.64″	51.2 mm / 2.0″	11	–	51	K – L	5 3/4	10.7
16.5 mm / 0.65″	51.8 mm / 2.04″	12	–	52	L	6	11.7
16.9 mm / 0.66″	53.2 mm / 2.1″	13	S	53	M – N	6 1/2	12.6
17.1 mm / 0.67″	53.8 mm / 2.12″	14	–	54	N – O	6 3/4	13.6
17.5 mm / 0.69″	54.8 mm / 2.16″	15	–	55	O – P	7 1/4	14.6
17.8 mm / 0.7″	56.5 mm / 2.22″	16	M	56	P	7 1/2	15.5
18.2 mm / 0.72″	57.2 mm / 2.25″	17	–	57	Q	8	16.4
18.5 mm / 0.73″	58.2 mm / 2.29″	18	–	58	Q – R	8 1/4	17.4
18.8 mm / 0.74″	59.0 mm / 2.33″	19	L	59	R	8 3/4	18.3
19.1 mm / 0.75″	60.0 mm / 2.36″	20	–	60	S	9	19.3
19.4 mm / 0.76″	61.0 mm / 2.4″	21	–	61	S – T	9 1/2	20.3
19.8 mm / 0.78″	62.3 mm / 2.45″	22	–	62	T – U	10	21.2
20.0 mm / 0.79″	62.9 mm / 2.48″	23	XL	63	U – V	10 1/4	22.2

The most complete Cartier Ring Women’s Size Chart by size-charts.com

Men’s Cartier Ring Sizes Chart

The inside ring measurement is equal to the finger circumference. This dimension is the circumference of your finger in millimeters or inches.

Ring Diameter (mm/Inches)	Inside Ring Circumference (mm/Inches)	Cartier Ring Size	Ring Size	French Ring Size	UK Ring Size	US Ring Size	Japanese Ring Size
16.9 mm / 0.66″	53.2 mm / 2.1″	13	S	53	M – N	6 1/2	12.6
17.1 mm / 0.67″	53.8 mm / 2.12″	14	–	54	N – O	6 3/4	13.6
17.5 mm / 0.69″	54.8 mm / 2.16″	15	–	55	O – P	7 1/4	14.6
17.8 mm / 0.7″	56.5 mm / 2.22″	16	M	56	P	7 1/2	15.5
18.2 mm / 0.72″	57.2 mm / 2.25″	17	–	57	Q	8	16.4
18.5 mm / 0.73″	58.2 mm / 2.29″	18	–	58	Q – R	8 1/4	17.4
18.8 mm / 0.74″	59.0 mm / 2.33″	19	L	59	R	8 3/4	18.3
19.1 mm / 0.75″	60.0 mm / 2.36″	20	–	60	S	9	19.3
19.4 mm / 0.76″	61.0 mm / 2.4″	21	–	61	S – T	9 1/2	20.3
19.8 mm / 0.78″	62.3 mm / 2.45″	22	–	62	T – U	10	21.2
20.0 mm / 0.79″	62.9 mm / 2.48″	23	XL	63	U – V	10 1/4	22.2
20.4 mm / 0.8″	64.2 mm / 2.53″	24	–	64	V	10 3/4	23.1
20.7 mm / 0.81″	65.0 mm / 2.56″	25	–	65	W	11	24.1
21.1 mm / 0.83″	66.2 mm / 2.61″	26	XXL	66	X	11 1/2	25.0
21.3 mm / 0.84″	67.0 mm / 2.63″	27	–	67	X – Y	11 3/4	26.0

The most complete Cartier Ring Men’s Size Chart by size-charts.com

The impact of the Ring Profile and Ring Width

Cartier offers an extensive choice in many rings and in different widths. The profile shape and width have a major influence on the size of the ring. Time to highlight this as well in this Cartier Ring Size Chart.

Rings with a convex profile on the inside slide much easier on the finger than straight ones on the inside.

Ring Width Size Chart and conversion guide

Cartier Rings for men and women come in many widths.
Below is a chart that shows common ring widths in millimeters converted to inches.
If you have a ruler close to you, it is easy to visualize how wide the ring you are about to order will be. Width in rings does matter for comfort and wearing of the ring: Narrow rings are easier to put on and take off than wide rings.

Cartier Ring Band Size Chart Converting millimeters to inches

Conversion Ring Width MM	Conversion Ring Width Inches
mm	inches
2 mm	0.07″
4 mm	0.15″
6 mm	0.23″
8 mm	0.31″
10 mm	0.39″
12 mm	0.47″
14 mm	0.55″
16 mm	0.62″
18 mm	0.70″
20 mm	0.78″

mm to inches ring width size conversion table

If you don’t happen to have a ruler nearby, you can use something simple like a coin that is round and simulates the width of a ring. Like a 5¢ US nickel. The thickness of a nickel is 2 mm thick.

**FINE Ring Width**
Fine rings are 2-3 mm wide.

**NARROW Width**
Narrow rings are 5-7mm wide.

**WIDE Ring Width**
Wide rings are 8-10mm wide. Most used for larger hands.

Cartier ring sizer and sizing explained (video)

What to Know When Buying a Cartier Ring & Sizing Tips by Marisol Alvarez

How do I measure my Cartier ring size I need?

You have found the Cartier Ring you want and would like to buy it.
How do you know if the ring fits properly? In the below “how to measure your ring?” section, you will find some easy ways to determine your Cartier ring size.

Below you will find three common ways to measure your ring size right at home.
Ring sizes are displayed in different ways. In the above ring size charts we have added both Inner Diameter as Ring Circumference in millimeters and inches, which you can convert to the size. Other brands choose to use the inner circumference as the size. Sometimes the American ring size is also used. It’s not difficult in itself, but a bit confusing every now and then. We almost always use the inner diameter as a ring sizer indication because it is the easiest to determine yourself.

Time needed: 2 minutes

Determining your ring size can be done in a number of easy ways. Let’s look into some ways

Ring size and temperature: Take ring measurement of your fingers on different times of the day
If you are going to measure your ring size, you have to consider one important detail: your fingers expand with heat.
This can happen on hot days in the summer and in a warm room.
It is advisable to measure your ring size at different times of the day. For example, do this in the morning, afternoon, and evening. Then take the average of all measurement moments to find the ideal size for your Cartier ring.
Measure the diameter with a ring
The easiest way to determine a ring size is on the basis of a ring that fits you well and is comfortable. This way is also useful if, for example, you want to surprise someone with a ring and you do not want to ask them about their size. You can then easily ‘borrow’ a ring to measure.
Measure ring size with a ruler
Take the matching ring and place it centered on the measurement units of a ruler. Place the inside of the ring at 0 cm and read the number of millimeters on the other inside. This is the inner diameter ring size. We use the diameter ring size the most. You can look up in the table which circumference ring size belongs to that.
Measure the circumference without the ring
If a suitable ring is unavailable, it is best to estimate the diameter of the ring by using a ribbon or string.
Measure ring size with a ribbon or string
Loosely wrap the ribbon or string around the finger on which the ring will be worn and cut it where the ribbon meets. Measure the piece that remains with a ruler in millimeters. The length of the ribbon is the circumference of your finger and therefore the circumference ring size you need. You can easily look up the diameter ring size in the table above.
Measure the ring size with paper, scissors and pencil
You can also cut a strip of paper to wrap around your finger for this method. You can then simply mark the size with a pencil or pen. Measure the length along a ruler. You measure the circumference ring size that you need.
Measure the ring size with a paper strip and pencil
Use a tape measure
This method is not very accurate, but it is easy and fast. The advantage is that a measuring tape is nice and wide, so you measure over a somewhat larger part of the finger. Proceed as follows: Wrap the measuring tape around the finger and read the number of millimeters where the tape meets again. The length you now have is the inner circumference of the ring. You now know the circumference ring size of the finger. You can look up the diameter of the ring size in the table above.
Consider your knuckle Size.
when you have large knuckles, you should order half a size bigger than what your finger ring size measurement alone shows, otherwise it will be very unlikely you can slide your ring into the right place.
Use a Caliper or go to a jeweler
Check your Cartier Ring measurements in the above Ring Size Charts

Convert Ring size Diameter and Ring Size Circumference into US Ring sizes

You will find a size chart below to find the correct size. On the left is a list of diameters in millimeters. If you know the diameter, you can look up the corresponding circumference size to the right of it. In the middle you will find the circumference size in millimeters. If you know the circumference size of the finger, you can look up the diameter size to the left of it.

Diameter ring size (mm)	Circumference ring size (mm)	US ring size
15	48	4.5
15.5	49	5
16	50	5.5
16.25	51
16.5	52	6
17	53	6.5
17.25	54	7
17.5	55	7.5
18	56	8
18.25	57
18.5	58	8.5
19	59	9
19.25	60
19.5	61	9.5
19.75	62	10
20	63	10.5
20.25	64
20.5	65	11
21	66	11.5
21.5	68	12
22	69	13

Ring Diameter and Ring Circumference to US Ring Size Converter

You can easily convert your ring size using this table. For example, if you know your US size or UK size or the diameter of your ring size, you can read in the table which ring size you should choose in shopping for your ring, wedding ring, engagement ring, etc…

When converting your ring size, the same applies to measuring the ring size: if you do not arrive at a standard size indicated in the ring size table, choose the nearest (larger) size.

Frequently asked Questions (FAQ)

How do you calculate your Cartier ring size?

A Simple way is to wrap measuring tape around the finger and read the number of millimeters / inches where the tape meets again. The length you now have is the inner circumference of the ring. You now know the circumference ring size of the finger. You can look up the diameter of the ring size in the table above and convert it to the correct international ring size standard

Is your Cartier ring sizing the same as your shoe size?

There’s this rule of thumb about the relation between US shoe size and US ring size. However, it’s not confirmed by the chart you can divide the shoe size by 2 and add 3. But again, this is an indication and many factors depend on your body shape. Weight or stature doesn’t say anything about the ring size, the ring size only depends on the shape, length, and thickness of your fingers! Use the size charts to get the correct Size

Is there a difference between men and women’s Cartier ring sizes?

It is sometimes thought that men and women have different ring sizes, but that is not true. Most men’s rings are made in larger sizes, as men often have wider hands and fingers. So if you are going to measure a men’s ring or do you need a women’s ring, you just use the same method to determine the size.

What’s the average Cartier ring size for women?

The average Gucci ring size woman is around ring size 17 EU , Size N in UK and Size 6.5 US. A useful list below finding the average women’s ring size:
1. Ring Diameter: 17mm / 0,66″
2. Ring Circumference: 53mm / 2.1″
3. US/Canada Ring Size: 6.5
4. UK/Australian Ring Size: N
5. French/Russian Ring Size: 54
6. German Ring Size: 17
7. Japanese Ring Size: 13
8. Swiss Ring Size: 15.25 (15 1/4)

Weight or stature doesn’t say anything about the ring size, the ring size only depends on the shape, length, and thickness of your fingers!

What’s the average Cartier ring size for men?

The average man has ring size 21 EU, Size Y in UK and US Size 12. A useful list below finding the average Men’s ring size:
1. Ring Diameter: 21,4mm / 0,84″
2. Ring Circumference: 67mm / 2.6″
3. US/Canada Ring Size: 12
4. UK/Australian Ring Size: Y
5. French/Russian Ring Size: 67.5
6. German Ring Size: 21
7. Japanese Ring Size: 25
8. Swiss Ring Size: 27.5 (27 1/2)

Weight or stature doesn’t say anything about the ring size, the ring size only depends on the shape, length, and thickness of your fingers!

When is the best time to measure ring size?

If you are going to measure your ring size, you have to take into account one important detail: your fingers expand with heat. This can happen on hot days in the summer, but also in a warm room. That is why it is advisable to measure your ring size at different times of the day. For example, do this in the morning, afternoon and evening. Then take the average of all measurement moments to find the ideal size for your ring.

Which hand do you wear the ring on?

As this can vary per country, we provide you with a summary below:
In Germany and Austria, the wedding ring is worn on the right, the “righteous” hand. Internationally, the wedding ring is worn on the left hand, closest to the heart.
The engagement ring is usually worn on the left hand. There is a clear international trend to combine engagement ring and wedding ring on one finger.
If you wear your ring as a jewel or a friendship ring, you are free to choose any finger

How wide is a 8mm ring?

An 8mm ring is as about the width of four coins (5ct Nickle) stacked together. A standard US uses nickle measures 1/16 of an inch, which is almost 2mm wide. Four nickles, or 8mm, would measure 1/4 inch. Check the full ring width conversion table here

What is the best Ring Width size for a man?

The most common ring width for men is about 8mm or 0.25″ wide.
Men with larger finger sizes prefer wider rings. A majority of men that have a finger size under 9.0 choose a 6 mm wide ring. Men with finger sizes above 9.0 tend to prefer an 8 mm wide ring, or even a 10 mm wide ring. The width of the ring is a personal choice and size doesn’t really influence fitting or comfort. Men wearing a wedding ring for the first time or are not used to wearing a ring go for a 4mm or 0.12″ sized ring.

What is the most common women’s ring width?

The most common ring width for women is 4 mm or 0.12″.
Women with smaller finger sizes, under size 6.0 choose a small 2 mm wide wedding or engagement ring. The trend is to go more to wider rings so many rings only start from 6 mm or wider, and it is common for women to use a 6 mm ring. Like it does for men’s ring width choice it’s a personal preference.

The complete Cartier Ring Sizing Guide

A full ring sizing and dimension chart with measurements in Centimeters and Inches. For all ring sizes you can find the ring size conversion in the below table.

Ring Diameter (mm/Inches)	Inside Ring Circumference (mm/Inches)	Cartier Ring Size	Ring Size	French Ring Size	UK Ring Size	US Ring Size	Japanese Ring Size
12.5 mm / 0.5″	39.5 mm / 1.6″	01	–	41	B	1 3/4	1.2
13.2 mm / 0.52″	41.4 mm / 1.65″	02	–	42	D	2 1/4	2.1
13.6 mm / 0.54″	42.8 mm / 1.7″	03	–	43	E – F	2 1/2	3.1
14.0 mm / 0.55″	44.1 mm / 1.74″	04	–	44	F	3	4.0
14.2 mm / 0.56″	44.8 mm / 1.76″	05	–	45	F – G	3 1/4	5.0
14.6 mm / 0.58″	46.0 mm / 1.8″	06	–	46	G	3 3/4	5.9
14.8 mm / 0.59″	46.7 mm / 1.84″	07	–	47	H	4	6.9
15.4 mm / 0.60″	48.4 mm / 1.9″	08	XXS	48	I	4 1/2	7.8
15.7 mm / 0.62″	49.3 mm / 1.94″	09	–	49	J	5	8.8
16.0 mm / 0.63″	50.3 mm / 1.97″	10	XS	50	J – K	5 1/4	9.7
16.3 mm / 0.64″	51.2 mm / 2.0″	11	–	51	K – L	5 3/4	10.7
16.5 mm / 0.65″	51.8 mm / 2.04″	12	–	52	L	6	11.7
16.9 mm / 0.66″	53.2 mm / 2.1″	13	S	53	M – N	6 1/2	12.6
17.1 mm / 0.67″	53.8 mm / 2.12″	14	–	54	N – O	6 3/4	13.6
17.5 mm / 0.69″	54.8 mm / 2.16″	15	–	55	O – P	7 1/4	14.6
17.8 mm / 0.7″	56.5 mm / 2.22″	16	M	56	P	7 1/2	15.5
18.2 mm / 0.72″	57.2 mm / 2.25″	17	–	57	Q	8	16.4
18.5 mm / 0.73″	58.2 mm / 2.29″	18	–	58	Q – R	8 1/4	17.4
18.8 mm / 0.74″	59.0 mm / 2.33″	19	L	59	R	8 3/4	18.3
19.1 mm / 0.75″	60.0 mm / 2.36″	20	–	60	S	9	19.3
19.4 mm / 0.76″	61.0 mm / 2.4″	21	–	61	S – T	9 1/2	20.3
19.8 mm / 0.78″	62.3 mm / 2.45″	22	–	62	T – U	10	21.2
20.0 mm / 0.79″	62.9 mm / 2.48″	23	XL	63	U – V	10 1/4	22.2
20.4 mm / 0.8″	64.2 mm / 2.53″	24	–	64	V	10 3/4	23.1
20.7 mm / 0.81″	65.0 mm / 2.56″	25	–	65	W	11	24.1
21.1 mm / 0.83″	66.2 mm / 2.61″	26	XXL	66	X	11 1/2	25.0
21.3 mm / 0.84″	67.0 mm / 2.63″	27	–	67	X – Y	11 3/4	26.0

The most complete Cartier Ring Size Chart by size-charts.com

About Ring Sizes

Our main focus is to provide you correct info about rings and the different sizes worldwide at size-charts.com.
We make it easy to find out your size. This page provides you a clear International Ring Size Chart with dimensions for determining your finger and ring size, which will help you buy it online or offline.

More and more consumers purchase goods through online shopping.
A requirement is to ensure that potentially expensive purchases like rings are made properly right from the start.

At size-charts.com : Size does matter.