How To Figure Out Your Ring Size

by Ashleigh Ravenwood December 17, 2017

How To Figure Out Your Ring Size

It can be difficult to order rings online for yourself or a loved one, not being entirely sure of your / their ring size.  While visiting our showroom or a local jeweler is the most precise way to determine your size, it’s not always convenient. Use these at-home hacks to solve all of your sizing queries! 

Easiest Way To Find Your Ring Size

Print out this form.  Once confirming sheet is calibrated by measuring the inch scale at the bottom, place an existing ring on top of each of the size templates - the circle should fit just inside of the ring. 

How To Determine the Size of Other Fingers 

Once you determine the size of your existing ring, you can calculate the estimated size of rings to be worn on other fingers. There is typically a half to whole size difference between fingers - we use 3/4 of a size per finger in estimates.  Additionally, there is typically a 1/4 size (sometimes even a 1/2 size) difference from dominate hand to submissive hand.

For example, if you are a size 8 on your left pointer finger, we would suggest a size 7.25 for your left middle finger and a size 6.5 for your left ring finger. If you are right-hand dominate and you are a size 6.75 on your right ring finger, we would suggest a size 6.5 for your left ring finger.

While guessing can be risky, most rings can be sized after the fact. When we make rings we add a little extra metal to the inside of the ring so that it can easily be polished out to a larger size (this is especially important with diamond bands or shanks). If a ring needs to be made smaller, we can place small beads inside of the ring or cut the ring (this is not preferred but the result is seamless)

No Ring?

Try wrapping a piece of paper or a string on yourself (or on a sleeping, potential engagee).  Using a mm ruler, measure the length and determine the ring size by matching the circumference to the chart below.

Last but not least, email to receive a free ring sizer at home! If you are in the NY area, you can also make an appointment to come in and let us do the guesswork - we do our best to determine the correct size and resizing is always free!


Size Inside Diameter (mm) Inside Circumference (mm)
3 14.07 44.2
3.5 14.48 45.5
4 14.88 46.8
4.5 15.29 48
5 15.7 49.3
5.5 16.1 50.6
6 16.51 51.9
6.5 16.92 53.1
7 17.32 54.4
7.5 17.73 55.7
8 18.14 57
8.5 18.54 58.3
9 18.95 59.5
9.5 19.35 60.8
10 19.76 62.1
10.5 20.17 63.4
11 20.57 64.6

Ashleigh Ravenwood
Ashleigh Ravenwood


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