RingConn Gen 3 sizing guide

RingConn says Gen 3 fit differs from standard jewelry sizes and other RingConn generations. A US number is only a starting sample choice. Confirm with the Gen 3 kit; do not copy a Gen 2 number into your order.

Sizing system: Generation-specific whole-number sizes; not standard US sizes
Size range: Sizes 6–15
Sizing kit: Choose the Gen 3 sizing kit. Test the sample for 24 hours, including sleep and daily activities, before submitting your size.
Price: Check RingConn

Smart-ring advisor

Check smart-ring fit

My usual jewelry size Target smart ring Old Oura Ring 4 size, optional

Smart-ring sensors need even skin contact The ring should stay oriented with its sensors touching the finger without painful pressure or a large gap. Sensor contactNo large gap

Order-size check

Jewelry size Starting point only

Use your normal ring size only to pick the first sample to try.

Brand kit Primary fit check

Follow the brand kit because sensors need steady skin contact.

Wear test Do before ordering

Wear the sample long enough to catch swelling, sleep, and hand-temperature changes.

Old smart-ring size Do not carry over automatically

Generation changes can alter interior shape or size range.

Smart-ring kit fit diary · Stored only in this browser. Kit observations do not change your jewelry size or confirm an order size.

Does my normal ring size fit?

Use the ring size converter to find your standard size first — it's a useful starting point — but always confirm the RingConn Gen 3 fit with the brand's sizing kit or sizing flow.

Frequently asked questions

What sizes does RingConn Gen 3 offer?

Gen 3 offers whole-number sizes 6–15. These are RingConn labels, not a guaranteed standard US conversion.

Can I reuse my RingConn Gen 2 size or kit?

RingConn advises using the Gen 3 kit because fit can differ between generations. Try the intended finger for 24 hours, including sleep, before confirming the order size.

Compare all devices on the smart ring sizing guide.