Free delivery within Spain over €69

How can I find out my ring size?

But I don't know my ring size! How can I find out my ring size from home? This is a commonly asked question. Although we would recommend visiting a jeweller to accurately find out your ring size, you can easily find out from home. So here are three easy ways that you can measure your own ring size, and compare your findings with the chart below.

 

Option 1. Measure your size:

Get yourself a piece of string several centimetres long. You can also use a more common household item, floss!
Wrap the string around your finger. Mark with a pen where the strip joins.
Measure in millimetres the length between the two pen marks using a ruler.
Do not tighten the strip too hard when you wrap around your finger. The strip should slide easily.

 

Option 2. Buy your own ring sizer.
Reusable Plastic Ring Sizer with US Ring sizes

Option 3. Measure the size of one of your own rings.
 
Measure the inner diameter of one of your rings with a ruler, note the size preferably in millimetres.

Ring Size Conversion Chart

Inside Diameter
(Measure a ring)
Inside Circumference
(Measure your finger)
MM Inches MM Inches UK & Australian sizes US and Canadian sizes
13.21 0.52" 41.50 mm 1.63" D Size 2
14.05 0.553" 44.14 mm 1.74" F Size 3
14.45 0.569" 45.40 mm
1.79" G 1/4 Size 3.5
14.86 0.585" 46.68 mm
1.84" H 1/2 Size 4
15.27 0.601" 47.97 mm
1.89" I 1/2 Size 4.5
15.70 0.618" 49.32 mm
1.94" J 1/2 Size 5
15.90 0.626" 49.95 mm 1.97" K 1/4 Size 5.25
16.10 0.634" 50.58 mm
1.99" L Size 5.5
16.51 0.650" 51.87 mm
2.04" M Size 6
16.92 0.666" 53.16 mm
2.09" N Size 6.5
17.35 0.683" 54.51 mm
2.15" O Size 7
17.75 0.699" 55.76 mm
2.20" P Size 7.5
18.19 0.716" 57.15 mm
2.25" Q Size 8
18.53 0.729" 58.21 mm
2.29" Q 3/4 Size 8.5
18.89 0.748" 59.34 mm
2.35" R 3/4 Size 9
19.41 0.764" 60.98 mm
2.40" S 3/4 Size 9.5
19.84 0.781" 62.33 mm
2.45" T 1/2 Size 10
20.20 0.797" 63.46 mm
2.50" U 1/2 Size 10.5
20.68 0.814" 64.97 mm
2.56" V 1/2 Size 11
21.08 0.830" 66.22 mm
2.61" W 3/4 Size 11.5
21.49 0.846" 67.51 mm
2.66" Y Size 12
21.89 0.862" 68.77 mm
2.71" Z Size 12.5
22.33 0.879" 70.15 mm
2.76" Size 13
22.60 0.890" 71.00 mm
2.80" Size 13.5

Leave a comment

Please note, comments must be approved before they are published