How To Get The Right Ring Size? Easily At Home!

How to Tell Your Ring Size Accurately at Home

Need to know how to tell your ring size? This concise guide will walk you through easy at-home techniques as well as professional methods to accurately determine the size of your ring. Skip the guesswork and find your fit quickly with the help of our expert tips.

Key Takeaways

  • Ring sizes are represented by the diameter or circumference in millimeters; size standards may differ between countries and average sizes are 10 for men and around 6 for women.
  • Several methods for measuring ring size at home include using string or floss, a tape measure, a ring sizer tool, or printable ring size charts, with each having its advantages and levels of precision.
  • Factors such as the time of day, recent activities, temperature, weight changes, and finger shape can affect ring sizing, and rings may need to be resized professionally if the fit is not accurate.

Understanding Ring Sizes

When it comes to rings, size definitely matters. The ring size number represents the diameter or circumference of the inside of the ring’s band, typically in millimeters. A metal ring sizer can be used to accurately measure your ring size at home. The ISO standard defines ring sizes based on the inner circumference of the ring, but different countries may have their own measuring scales, like the British Standard measurements in the UK. For example, a conversion from US to UK ring sizes involves subtracting 0.5 from the US size. This is equivalent to a half size difference.

The average ring size for men is around 10, while for women, it tends to be 6. However, these are only averages and sizes can vary quite a bit. Bear in mind, obtaining the correct ring size is vital, be it for an engagement ring, a wedding band, or a fashion ring. The last thing you want is for your ring to be too tight or too loose.

Measuring with String or Floss

Illustration of a finger being measured with a piece of string

One simple method to measure your ring size at home involves using a piece of string or floss. You need to wrap a length of string or floss around the base of your finger, ensuring a comfortable fit that represents where a ring would sit. After wrapping the string or floss around the base of your finger, it is important to mark the point where it first overlaps using a pen. This marking will serve as a reference for measuring the length accurately.

After marking the overlap point, determine the length of the marked section in millimeters. After obtaining the measurement, you can refer to a ring size chart to determine the appropriate ring size. This technique is applicable for all kinds of rings, engagement rings included. It’s a simple, quick, and cost-effective method to measure your ring size.

Utilizing a Tape Measure

A tape measure can be another great tool for determining your ring size. Here’s how to use it:

  1. Encircle the base of your ring finger with the tape measure.
  2. Record the measurement at the point where the tape overlaps the starting point.
  3. The standard measurement units used for ring sizing with a tape measure are a numeric scale based on quarters and half units.
  4. For the most accurate sizing, it is common to measure the left ring finger.

The process for converting tape measure readings into ring sizes involves using a ring size chart that correlates the millimeter measurements to the correct ring size. Employing a measuring tape is seen as the most precise way of ascertaining your ring size at home. A soft tape measure, such as the Singer 60-inch Tape Measure, is recommended for measuring ring sizes because it can easily wrap around the finger without any slack.

Employing a Ring Sizer Tool

Photo of a metal ring sizer tool

For those who prefer a more professional approach, a ring sizer tool is a great option. This tool provides an adjustable fit at the base of the finger, helping you pinpoint your perfect ring size. To determine your ring size at home, engage a ring sizer tool by encircling it around your finger and adjusting to a comfortable size, making sure it’s snug but able to glide over your knuckle.

Ring sizer tools, also known as ring sizers, can be purchased from different online retailers like Amazon (Ring Sizer 1-17 REIDEA Measuring Tool with Magnified Glass), Token Jewelry (reusable ring sizer), and Walmart. A ring sizer tool can provide a more accurate measurement than a piece of string or floss, making it an excellent choice for those looking for extra precision.

Printable Ring Size Charts

Illustration of a printable ring size chart

A quick google search will show many printable rings size cards to make sure that the ring fits. Whether you buying an iced out moissanite ring or a plan wedding band you can use these cards!

Using printable ring size charts offers several advantages. It provides an accurate measurement of your ring size, ensuring a perfect fit. It’s also convenient and cost-effective, allowing you to measure your ring size at home. However, make sure to follow the printing instructions carefully to ensure the chart is printed at the correct scale for accurate measurements.

Visiting a Local Jeweler

Use this link to shop rings at Harlembling:

If the DIY methods seem a bit overwhelming, there’s always the option of visiting a local jeweler. Having your ring size gauged at a local jeweler brings multiple perks, including:

  • Free sizing services
  • A stress-free atmosphere devoid of sales pressure
  • Local jewelers often utilize precision tools such as calipers or micrometers to measure your finger and ensure a comfortable fit.

Although there’s a possibility of slight variations in ring sizes measured by different jewelers, the measurements are typically precise. To achieve utmost precision in sizing, it’s recommended to take the measurement at the point where the ring will sit on your finger, then opt for a quarter size smaller for a snug, well-fitting ring.

Factors Affecting Ring Size

Believe it or not, your ring size can change throughout the day and under different conditions. When it’s hot, fingers tend to swell, causing rings to feel tighter. On the other hand, in cold temperatures, fingers can shrink, making rings feel looser. The time of day can also impact ring size due to the fluctuation of finger size throughout the day. To obtain more precise results, it is advisable to measure ring size in the middle of the day, when the body has had time to adapt to the day’s activities and temperature.

Recent activities, such as exercise, can have an impact on your ring size measurement. Exercising can increase your body temperature, which may temporarily result in a larger finger measurement and cause a ring to fit too loosely. Furthermore, it’s crucial to measure both the base of the finger and the knuckle when determining ring size. This ensures that the ring can be easily worn and removed while providing a comfortable fit.

Tips for Accurate Ring Sizing

Illustration of measuring tape around a finger

Having navigated through diverse ring measuring techniques, it’s time to delve into some crucial tips for precise ring sizing. It’s important to avoid common mistakes, such as:

  • Failing to measure your finger multiple times
  • Not selecting the size that is closest to your measurement
  • Choosing rings with slim bands which could lead to incorrect sizing
  • Not using stretchy materials for measurement

By following these tips, you can ensure that you get the most accurate ring size.

Keep in mind, factors like temperature and time of day can influence finger size, as they are prone to minor swelling throughout the day due to warmth and activity. Measuring your finger at the end of the day when it’s slightly larger can provide a more accurate ring size measurement. And it’s always a good idea to measure your finger multiple times to ensure the accuracy of the determined ring size.

Discreetly Measuring for Surprise Gifts

Intending to spring a ring surprise on your significant other? The task of covertly measuring their ring size may seem intimidating, yet it’s simpler than it appears. Friends and family can help by:

  • Borrowing a ring that the recipient wears
  • Comparing fingers with someone who has a similar ring size
  • Subtly gathering intelligence on the recipient’s ring size preferences

Another method is to use a ring that your partner already owns. You can measure the diameter of the ring with a ruler, compare it to an online ring size guide, or use a printed ring size chart to identify the correct partner’s ring size without them knowing!

Men's and Women's Average Ring Sizes

Let’s pause for a while to talk about average ring sizes for both men and women. The typical ring size for men usually ranges around 9.25, with a common range between 8.75 and 11.5. For women, the typical ring size falls between 5 and 7.

Keep in mind that factors like weight and finger shape can influence ring size. Changes in weight can impact the fit of a ring. For some individuals, weight fluctuations can affect the amount of fat stored in their fingers, potentially causing a ring to feel loose and necessitating resizing for a proper fit.

As individuals age, they may undergo slight structural changes in their body, such as alterations in bone structure and potential swelling in the knuckles, which can result in adjustments to the ring size they need.

Resizing Rings: What to Know

Despite these myriad tips and tricks, situations might arise when you need to modify a ring’s size. The process involves cutting out a piece of the band and soldering it back together to make it smaller or adding metal to increase the band’s circumference when enlarging it. The cost of resizing a ring to make it smaller typically ranges from $30 to $60, while making a ring larger can range from $40 to $80.

Modifying a ring’s size can affect its durability due to the bending of the metal during the process. However, with a skilled jeweler, the impact is generally minimal. Typically, a ring can be resized up or down two sizes. However, resizing beyond two sizes may not be recommended for lighter and weaker metals, depending on the design and the type of metal. Therefore, it’s vital to get your ring size correct in the first place to avoid the need for resizing. Once you find the correct ring size, you will be ready to shop at Harlembling!


Whether you’re buying a ring for yourself or as a gift for someone else, understanding ring sizes and how to measure them accurately is crucial. From DIY methods like using string or a tape measure to professional tools like a ring sizer or visiting a local jeweler, there are numerous ways to find your perfect ring size. Always remember to consider factors like temperature, time of day, and recent activities that can affect your ring size. And if you’re buying a ring as a surprise, don’t forget the tips for discreetly measuring ring size!

Frequently Asked Questions

How do I measure my ring size at home?

To measure your ring size at home, wrap a string or paper around the base of your finger, mark the meeting point, and then measure the string with a ruler to find the diameter of the ring.

How big is a size 7 ring?

A size 7 ring fits a finger with a 17.3 mm diameter, and it is one of the most popular ring sizes in the U.S. and Canada. For many men, a 7 may be good to use as a pinky ring.

Can I measure my ring size on my phone?

Yes, you can measure your ring size on your phone by placing your ring finger on the phone screen and adjusting the sizing lines to outline your finger. It's a quick and convenient way to get your ring size.

What's the average ring size for men and women?

The average ring size for men is around 9.25, and for women, it's between 5 and 7.

How accurate is measuring ring size with a tape measure?

Measuring your ring size with a tape measure is considered the most accurate method to do so at home. This method is widely recommended for its precision and reliability.

Why wear an iced out moissanite ring?

Iced out moissanite jewelry is the best way to have bling without breaking the bank. Celebrities and many others wear iced out moissanite rings as you can't even tell the different and it passes the diamond tester!