Ring Size Guide: Measure & Convert Your Ring Size

Mandalay Jade rings use United States ring sizes. Use the steps and charts below to measure your finger or convert a size from another country.

1. Measure your finger

  1. Wrap a flexible measuring tape snugly around the finger where the ring will sit.
  2. If you do not have a tape, use a strip of paper or non-stretch string. Mark where it overlaps, then measure that length with a ruler.
  3. Measure at room temperature. The fit should be comfortable—not tight or loose.

2. Find your US ring size

Match your finger circumference to the closest measurement in the chart below. If your measurement falls between sizes, choose the larger size.

Tip: Wider ring bands can feel tighter and may require a slightly larger size.

Finger Measurement to US Ring Size

Circumference (in) Circumference (mm) US size
1.75 44.5 3
1.81 45.9 3.5
1.87 47.4 4
1.94 49.0 4.5
2.00 50.6 5
2.06 52.2 5.5
2.12 53.8 6
2.19 55.4 6.5
2.25 57.0 7
2.31 58.6 7.5
2.37 60.2 8
2.44 61.8 8.5
2.50 63.4 9
2.56 65.0 9.5
2.62 66.6 10
2.69 68.2 10.5
2.75 69.8 11
2.81 71.4 11.5
2.87 73.0 12
2.94 74.6 12.5
3.00 76.2 13

International Ring Size Conversion

Already know your size in another country? Find the closest US equivalent below.

Circ. (mm) Diameter (mm) US & Canada Hong Kong Europe UK & Australia Singapore & Japan China
49.3 15.7 5 11 49 9 10
51.9 16.5 6 13 52 11 12
54.4 17.3 7 16 54 14 14–15
57.0 18.1 8 18–19 57 16 17
59.5 19.0 9 20.5 59–60 18 19
62.1 19.8 10 23 62 20 21–22
64.6 20.6 11 25 64–65 23 23–24
67.2 21.4 12 27–28 67 25 26
Important: Home measurements are estimates. Finger size can change with temperature, swelling, and time of day. For the most accurate result, ask a jeweler to measure your finger.

Ready to shop?

Our listings use US Sizing, so simply compare your US size with the size listed on each Mandalay Jade ring. Also, never hesitate to Contact Us if you have any questions!


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