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Find Your Ring Size

Use the slider to adjust the circle until it matches your ring

Step 1 ‚ Calibrate your screen
Choose what you have nearby, then drag the slider until the shape matches.
Drag until this line is exactly 1 cm (10 mm)
short side of card
Drag until the rectangle matches the short edge (54 mm) of your bank card
14.0 mm
Step 2 ‚ Adjust the circle size to match your ring

Your Ring Size

USA
3
EU
44
UK/AU
F
Asia
4
No ring? Measure your finger instead
Place your finger flat on the screen between the two lines. Drag the slider until the lines sit snugly on either side of your finger.
17.0 mm
Tip: measure at the widest part of your finger, just below the knuckle.
Estimated ring size for this finger
USA
7
EU
54.5
UK/AU
N
Asia
14
Calibrate your screen in Step 1 first for accurate results.