Find Your Ring Size with Your Debit Card
1. Place your debit or credit card on the screen below.
2. Use the slider to match the dashed outline to your real card edges.
3. Click Confirm Calibration when it matches.
4. Then, place your ring on the screen and adjust the size with + / - buttons.
For best results, use a desktop or tablet screen.
✅ Calibration locked. Place your ring on the screen and adjust the size below to match it:
16.5 mm (US 6)