Ring Size Chart

Discovering your perfect ring size doesn’t have to be a guessing game. Our comprehensive ring size chart and innovative ring size calculator make it easy to find the right fit. Regardless of whether you’re shopping for a wedding band or a statement ring, our tools will simplify the process and guide you toward a comfortable, secure fit. With user-friendly design and accurate results, our ring size chart and calculator are your go-to resources for determining the right ring size. Empower yourself with the right information and avoid the hassle and disappointment of poorly fitting rings. Embrace accuracy and convenience as you explore the world of jewelry with our ring size chart and calculator.

Ring Size Chart Categories

Our Ring Calculator’s

Ring Size Chart US

Diameter (mm)Circumference (mm)US & Canada Ring Size
Ring Size Chart

Ring Size Chart UK

Diameter (mm)Circumference (mm)UK Ring Size
14.0 44.0B
14.6 45.8D
14.9 46.7E
15.5 48.6G
15.9 49.5H
16.5 51.4J
16.8 52.3K
17.2 53.2L
17.5 54.1M
17.8 55.1N
18.1 56.0O
18.5 56.9P
18.8 57.8Q
19.1 58.7R
20.1 61.5U
20.4 62.5V
20.7 63.4W
21.0 64.3X
21.3 65.2Y
21.7 66.2Z
22.0 67.1Z+1
22.3 68.0Z+2
22.6 69.0Z+3
23.0 69.9Z+4
23.3 70.8Z+5
23.6 71.7Z+6
24.2 73.6Z+8
24.6 74.5Z+9
24.9 75.4Z+10
UK Ring Size Chart

How To Measure Ring Size At Home

Measuring your ring size at home is an easy and convenient way to ensure that your rings fit comfortably. To get started, you will need a few simple materials: a piece of string or a strip of paper, a pen, and a ruler.

Steps to measure ring size

  • First, take the string or paper and wrap it around the base of your finger where you plan to wear the ring. Make sure that the string or paper is snug but not too tight. You should be able to slide the string or paper over your knuckle without any resistance.
  • Once you have the string or paper in place, mark the point where it overlaps with a pen. Make sure that the mark is clear and visible.
  • Next, take the string or paper off your finger and measure the length with a ruler. Make sure that you measure in millimeters, as this is the most accurate way to determine your ring size.
  • Once you have your measurement, compare it to a ring size chart to determine your ring size. You can find these charts below.
  • It’s important to note that your finger size can vary depending on the time of day and the temperature. For the most accurate measurement, measure your finger in the afternoon when your fingers are at their largest.
How to measure ring size at home

In conclusion, measuring your ring size at home is a quick and easy process that can save you time and hassle in the long run. With just a few simple materials and a little bit of patience, you can ensure that your rings fit comfortably and securely.

Tips to measure your ring size

Avoid measuring your fingers when they are cold as they tend to shrink in size.

Bear in mind that each hand may differ in ring size, so always measure the specific finger on which you plan to wear the ring.

For those with prominent knuckles, opting for a slightly larger ring size may ensure a comfortable fit.

To get the most accurate measurement, consider sizing your fingers towards the end of the day.

Measuring your finger on an extremely hot day might not yield accurate results.

When your ring includes a gemstone, precision in sizing is paramount to prevent the ring from spinning due to imbalance.

Know Your Ring Size From Your Own Ring


Ring Size Chart

Inside Circumference:
Inside Circumference:
US, Canada, MexicoUK, Australia, Ireland, New Zealand, South AfricaFrance Germany, Russia, Ukraine, AsiaIndia, China, Japan, South America, Turkey, IsraelItaly, Spain, Netherlands, Switzerland
1.7744.83.25F 1/244.62514.254.625
1.8246.13.75G 1/245.87514.7565.875
1.8747.44.25H 1/247.12515.257.125
1.9449.35J 1/24915.7599
1.9950.65.5K 1/250.2516.251010.25
2.0451.96L 1/251.516.51211.5
2.0953.16.5M 1/252.75171312.75
2.1454.47N 1/25417.251414
2.1955.77.5O 1/255.2517.751515.25
2.24578P 1/256.5181616.5
2.2958.38.5Q 1/257.7518.51717.75
2.3459.59R 1/259191819
2.3960.89.5S 1/260.2519.51920.25
2.4462.110T 1/261.5202021.25
2.4963.410.5U 1/262.7520.52222.75
2.5464.611V 1/26420.752324
2.5965.911.5W 1/265.25212425.25
2.6567.212X 1/266.521.252526.5
2.7269.112.75Z 1/268.37528.375
Ring Size Chart
Ring Size Chart
Given measurement are diameter of Ring. Print Ring Size Chart

Measure your own ring to determine your ring size.

Select a ring that fits comfortably, and then determine the diameter of the ring’s interior – this will represent your ring size. For instance, a ring with an 18 mm diameter aligns with a size 18.

Measure your own ring to determine your ring size.

If you don’t have a well fitted ring to determine the ring size you can measure your finger for the correct size.

Measure your own ring to determine your ring size.

Measure your ring to determine your ring size.

Measure your ring to determine your ring size.
  • Leverage a flexible tape measure to establish your finger’s circumference.
  • If a tape measure isn’t handy, opt for a paper strip or a string no more than 0.5mm thick, and subsequently measure its length using a ruler to determine your finger’s circumference.
  • Use the ring size conversion chart provided below, focusing on the circumference in millimeters, to accurately ascertain your ring size.

Ring size converter chart:

Advice for Purchasing a ring as a gift

Purchasing a ring as a present can be challenging when you’re unsure of the recipient’s ring size. There are several discreet ways to discover their correct ring size.

  • You can inquire about the ring size from your significant other or from the recipient’s friends or family.
  • Another method would be to subtly borrow one of their rings (make sure it’s from the correct finger) and measure it as previously explained.
  • Alternatively, consider opting for a ring that offers adjustable sizing.

Try Our Ring Size Calculator


At www.ringsizecalculator.com , where we strive to simplify your ring shopping experience. If you’ve ever found yourself bewildered by ring sizes or experienced the disappointment of a ring that doesn’t quite fit. We’ve got the perfect solution for you – our reliable and user-friendly Ring Size Calculator. The website is not only useful for jewelers but also immensely beneficial for customers. Looking to ensure the perfect fit for their jewelry.


What is a Ring Size Chart?

A ring size chart is a reference tool that helps determine the perfect ring size. It lists various ring measurements, typically in millimeters, along with the corresponding ring sizes. The size chart considers parameters like the ring’s inner diameter and circumference. Although slightly different in different regions due to varying standards, the primary purpose of these charts remains the same: to aid you in finding the perfect fit for your ring.

Why are there Different Ring Size Systems?

Different countries have different systems of measuring ring sizes. For example, in the United States and Canada, numerical sizes with half and quarter increments are common. In contrast, the UK, Australia, and South Africa use an alphabetical scale, and other countries like France and Russia use a numerical scale matching the circumference of the ring in millimeters. These differences stem from historical and regional variations in measuring systems, much like the difference between the metric and imperial systems for measuring distance.

How to Use a Ring Size Chart?

To use a ring size chart, you first need to measure your finger. You can do this by wrapping a thin strip of paper around your finger, marking where it overlaps to form a complete circle. Then, measure this length in millimeters. Once you have this measurement, you can refer to the ring size chart, finding the row where your measurement matches the ‘Circumference’ or ‘Diameter’ value, depending on what you’ve measured. The corresponding ‘Ring Size’ value would be your ring size.

How to Ensure an Accurate Measurement?

For the most accurate measurement, ensure your finger is at room temperature. Fingers can shrink in the cold as well as swell in the heat, affecting the measurement. It’s also advisable to measure at the end of the day when your fingers are likely the largest. Furthermore, keep in mind that the ring should fit your finger comfortably, snug enough so that it won’t fall off, but loose enough to slide over your knuckle.

Frequently Asked Questions

Can Ring Sizes be Adjusted?

Yes, most rings can be resized by a professional jeweler. They can either cut the band to make it smaller or add more material to increase its size. However, the degree of adjustment might depend on the style and material of the ring. Rings with intricate designs or those made of hard metals might be more challenging to resize.

Can I use a Ring Size Chart to measure a ring I already have?

Yes, you can use a Ring Size Chart to measure a ring you already have. Just measure the inner diameter of the ring and match it to the size on the chart.

What can I do if I’m between two sizes on the Ring Size Chart?

If you’re between two sizes on the Ring Size Chart, it’s usually safer to go with the larger size. Rings can often be resized, but making a ring larger may be more difficult or costly than making it smaller.

Does a Ring Size Chart work for all fingers?

Not necessarily. Different fingers on the same and opposite hand may have different sizes, so you should measure each finger separately.

Is the ring size the same in all countries?

No, different countries have different ring sizing systems. A Ring Size Chart will often include size conversions for different countries.