The Ultimate Guide to Finding Your Perfect Ring Size: Tips, Tricks and Hacks


If you are buying a ring for yourself or someone else, finding the right ring size is crucial. A ring that is too loose might fall off or be uncomfortable, and one that is too tight could leave a painful mark on your finger or get stuck. Knowing how to measure your ring size accurately can save you from headaches down the road. In this article, we will cover various ways to figure out ring size, from traditional measuring methods to easy hacks you can do at home.

The Ultimate Guide to Finding Your Perfect Ring Size

Before we dive into the methods, let’s start with some tips and tricks that apply to all methods.

First, measure your finger at the end of the day when it’s likely to be at its largest size. Fingers tend to swell during the day, especially in hot weather.

Second, make sure your finger is at a comfortable temperature. Cold fingers can be smaller than normal, and hot fingers can be bigger.

Third, measure the finger you plan to wear the ring on. Fingers on the dominant hand are usually slightly larger than those on the non-dominant hand. Similarly, the size of your fingers can differ from one hand to another.

Mandrel Method

The mandrel method is one of the most common ways to measure ring size. A mandrel is a tapered stick that ranges in size from 1 to 15. The measuring process is easy:

  1. Wrap a thin strip of paper or string around the base of the finger you want to measure and mark where the paper or string overlaps.
  2. Unroll the paper or string and measure the length in millimeters with a ruler.
  3. Compare the measurement to a ring size chart that matches your region. If you are shopping in the US, the measurement corresponds to the number on the chart.
  4. If you’re between sizes, choose the larger size for thicker bands and the smaller one for thinner bands.

Paper Method

For those who don’t have access to a mandrel, the paper method is an easy and reliable alternative. You will need a piece of paper, scissors, and a pen. Here are the steps:

  1. Cut a thin strip of paper that is approximately 1/2 inch wide and 3 inches long.
  2. Wrap the paper strip around the base of the finger you want to measure and mark where the paper strip overlaps.
  3. Lay the paper strip flat and use a ruler to measure the length in millimeters from the end to the marked spot.
  4. Use a ring size chart to determine your size or measure the paper strip’s circumference, and then use the chart.

String Method

The string method is very similar to the paper method, except that it uses a string instead of paper. Here are the steps:

  1. Wrap a piece of string around the base of your finger and make sure it is snug but doesn’t cut off your circulation.
  2. Use a pen to mark the point where the string overlaps itself.
  3. Measure the length of the string in millimeters or inches with a ruler.
  4. Use a ring size chart to determine your size or measure the string’s circumference, and then use the chart.

Printable Ring Sizers

If you don’t have a ruler or string or don’t trust your measurements, there are plenty of printable ring sizers available online. Most are free to download and print. A printable ring sizer usually offers a sizing chart, a ruler, and a sizer strip on one page.

Online Ring Sizing Tools

Many jewelry websites offer online ring sizing tools that can calculate your ring size based on your finger’s circumference or diameter. These tools are user-friendly, and all you need is a printer and a credit card. Sites such as Blue Nile, Zales, and James Allen have easy-to-use online ring sizing tools.

5 Simple Hacks to Accurately Measure Your Ring Size at Home

There are various ways to measure your ring size at home without specialized equipment. Here are five simple hacks:

1. Use a Ring You Already Own

If you have a ring that fits you well, use it to determine your size. Place the ring on a piece of paper and trace the inside and outside of the ring with a pen. Measure the diameter of the circle using a ruler, and then use a ring size chart or online sizing tool to determine your size.

2. Pencil Method

Take a pencil and wrap a thin strip of paper around it, making sure it fits snugly. Mark the point where the paper overlaps and measure the length in millimeters. Use a ring size chart or online sizing tool to determine your size.

3. Quarter Method

A quarter’s diameter is about an inch or 24 millimeters. If you don’t have a ruler handy, use a quarter to measure your finger’s circumference. Wrap the quarter around your finger and mark where it overlaps. Use a ring size chart or online sizing tool to determine your size.

4. Phone Apps

Several phone apps can accurately measure your ring size based on a picture of your finger. These apps use augmented reality technology to scan your finger and provide a size recommendation. The apps are free, easy to use, and available for both Android and IOS phones; some popular apps include Ring Sizer, Ring Size Chart, and Ring Sizer by Jason Withers.

Why Getting the Right Ring Size Matters – and How to Get It Right Every Time

Getting the right ring size is essential to ensure comfort and aesthetics. A ring that is too loose can fall off or rotate on your finger too much, causing an annoyance, and one that is too tight can cut off your circulation or leave a red mark on your finger.

One way to determine the right ring size is by consulting with a professional jeweler who will provide you with accurate and helpful advice. They can also give you recommendations based on your lifestyle and assess your occupation and daily activities. Depending on the type of work and life you have, it may be best to select a ring that doesn’t get in the way or a band that sits flush with your finger.

Another way to ensure your ring size is by testing out ring styles and sizing options before making the final purchase. Many online retailers can send you samples to try out, or you can visit a jewelry store to have a professional sizing consultation.

Ring Sizing Demystified: From Circumference to Diameter and Beyond

If you’re new to the world of ring sizing, you may find some terms and phrases overwhelming. Here are some common phrases that you will encounter:


The circumference of a circle refers to the distance around the outside of that circle. In the case of a ring, the circumference is the measurement around the ring’s outside.


The diameter of a circle is a straight line that runs from one point on the circle to another and passes through the center point. In terms of a ring, the diameter is the distance straight across the ring’s inside of the widest part.

Band Width:

The width of the band is the measurement of the ring across your finger. Wider bands usually require a larger size, while slimmer bands require a smaller one.


The gap is the space between the two ends of the ring’s shank or band. When measuring for an adjustable ring or a ring with an open design, you need to measure the gap to get the right fit.

When it comes to finding the right fit, there are some general tips you can follow: Ensure the ring fits snuggly but isn’t too tight and can slide off your finger easily. You can also raise the ring to eye level and see if it twirls or spins or try feeling and visualizing the space in between the ring and your finger’s skin.

When in Doubt: How to Adjust Ring Sizing at Home

If you’ve already purchased a ring and it’s slightly too big or too small, don’t fret; there are some DIY tips to help you adjust it. However, please note that these methods are not permanent, and you should not attempt to adjust a valuable or sentimental ring yourself. Leave that to a professional.

Reducing Ring Size

To reduce the size of a ring at home, try these methods:

1. Use foam tape: Apply a small wrap of foam tape around the inside of the ring.

2. Use adhesive tape: Stick a small piece of adhesive tape on the inside of the band. Remember that these methods are temporary, and you may need to replace the tape over time.

Increasing Ring Size

To increase the size of a ring at home, try these methods:

1. Use a stretching tool.

2. Use silicone fillers: Silicone fillers for ring size adjustment can be bought online and slipped inside a too-large ring.


Finding the right ring size can seem daunting at first, but it doesn’t have to be. By paying attention to measuring tips, trying various methods, and consulting with professionals, you can get the perfect fit. Remember that the right size is crucial for comfort and style, so invest time in getting it right.

Sharing your tips and tricks in the comments section can help others seeking guidance.

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