Discover Your Ring Size
Ring Size Tool
Calibrate your screen, then match your size.
For best accuracy, set your browser zoom to 100%. Place a standard credit card on the screen and adjust until it matches perfectly.
Step 1
Screen calibration (credit card)
Match this rectangle to your card
85.60 mm × 53.98 mm (ID-1)
85.60 mm × 53.98 mm (ID-1)
Desktop: horizontal. Mobile: vertical.
Tip: once saved, the slider locks. Use Reset to recalibrate.
Not calibrated yet
How it works
- Adjust the pastel card until it matches your real card (Amex/Visa/Mastercard).
- Save calibration to lock the scale on this device.
- Reset if you change zoom, device, or display settings.
Step 2
Match your ring size
Place an existing ring on the screen and match its inner edge to a circle below.
Note: If you change device, browser zoom, or display scaling, please recalibrate.
