Ring Sizer
Find your perfect fit from your phone.
Step 1: Calibrate Screen
Place a standard ID or credit card vertically. Adjust until the on-screen card matches your physical card's exact width.
Privacy Safe: No camera
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CREDIT CARD
Standard Card
53.98 mm
53.98 mm
Step 2: Find Your Size
Adjust the inside red edges to lightly touch your finger.
Match the blue outer edge to your ring's inner wall.
💡 Tip: Close one eye and look straight down.
Finger Here
Place
Ring
Ring
Diameter
18.1mm
US Size
8
EU Size
57