Ring Sizer


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Diamonds Rings Jewelry Guidance

Home > Ring Sizing

Ring Sizing
At NetCarats, we are aware that you may not always know the Ring Size when ordering a Ring. With our Ring Sizer or with our other approaches, we will help you find a Ring that not only looks good but which fits the finger perfectly. The ring size should be determined under comfortable climatic conditions. Any variations of too hot or too cold could increase or decrease your actual Ring Size. To get a Ring with a perfect fit, you should know your Ring Size before you order a Ring. NetCarats provides you four options to get an accurate Ring Size:
  1. Request a free Ring Sizer (most accurate method of ring sizing).
  2. Determine your Ring Size with a Ring Sizing Chart.
  3. Measure Ring Size with a Measuring Strip
  4. Measuring Ring Size with a String
Request a free Ring Sizer
A Ring Sizer will provide an accurate ring size. Request a Free Ring Sizer, and within 4 to 7 business days you will receive a free Ring Sizer that will ensure an accurate size.
How to measure you Ring Size using your complimentary Ring Sizer: Insert the narrow end of the ring sizer through the “Cut Here” tab. Keep the numbers of the ring sizer facing outside and place the loop around your finger and pull until snug, and determine your ring size. For an accurate fit, we recommend that you order a Ring Sizer.
Determine your Ring Size with a Ring Sizing Chart.
Use the following chart if you have a Ring that fits you, and you need to know the Ring Size. Place your Ring on the circle that is closest to your Ring Size. The inner edge of the ring should align with the outer edge of the circle.This method works well when you have a Ring that fits. If you do not already have a Ring that fits, we recommend that you order a free Ring Sizer, for an accurate fit.
Ring Sizing Chart
For the most accurate method, please request our Free Ring Sizer.
Measure Ring Size with a Measuring Strip
You can also measure your Ring Size by use the following measuring strip. Make your own Ring Sizing Strip by printing and cutting the strip below. Also cut a small gap in the section marked “Cut Here”.
Measuring Strip
Insert the narrow end through the “Cut Here” tab. Keep the numbers facing outside and place the loop around your finger and pull until snug, and determine your ring size. . For the most accurate method, please request our Free Ring Sizer.
Measuring Ring Size With a String
You can also measure your Ring using a String. Cut a piece of string, and wrap it around the finger you want to measure. Mark the string with a pen where it overlaps and forms a circle. Measure the string from the beginning of the string to the marked spot with a ruler. Use this measurement and the chart below to determine your ring size. For the most accurate method, please request our Free Ring Sizer.
Ring Size Measured Size
(USA) (mm)
3 44.1
3.5 45.4
4 46.7
4.5 48.0
5 49.2
5.5 50.5
6 51.8
6.5 53.1
7 54.3
7.5 55.6
8 56.9
8.5 58.2
9 59.4
9.5 60.7
10 62.0
10.5 63.3
11 64.5
11.5 65.8
12 67.1
12.5 68.3
13 69.6
Helpful Hints to get the perfect ring size!
  1. For the most accurate fit, measure your finger in the evening when it is the largest.
  2. Measure your finger when it is not too cold, fingers are at their smallest when they are cold.
  3. Ensure that the Ring Sizer slides off easily over the knuckle in order to get an accurate fit.