PRIVACY IS NOT JUST A PROMISE.
Your Health Data Is Protected by Cloud Enclave & Read-and-Burn.
Transform raw data into visual progress. Feed your daily activity to your Digital Companion, earn Sanis Points, and build sustainable wellness habits.
Stop paying $300+ for wearable hardware. Subscribe to our premium health insights software ($60/yr), and the Sanislink Smart Ring is on us.
We treat your wellness data as highly sensitive information and make privacy our core principle. Sanislink uses enterprise-grade security measures: your raw biometric data is designed to be physically deleted immediately after encrypted trend verification.
We apply advanced anonymization techniques so that, if you choose to opt in to health research, we only share fully aggregated statistical trends — never any personally identifiable information. We do not sell your personal data. You remain in full control of your health information at all times.
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Your Privacy-First Health Platform
How to Measure Your Finger Circumferenced
You will need: a strip of paper or thin string, a pen, and a ruler.
Wrap the strip around the widest part of the finger you intend to wear the ring on.
Mark the point where the strip overlaps itself.
Remove the strip, lay it flat, and measure the length between the marks with a ruler. This is your finger circumference.
Body weight ranges in the table below are for reference only. Please rely on your actual measured circumference when selecting your ring size.
| International / American Code | Diameter (mm) | Finger Circumference (mm) | Weight (kg) |
|---|---|---|---|
| No.7 | 17.2 | 54.0 | 45–55 |
| No.8 | 18.1 | 56.9 | 55–60 |
| No.9 | 18.9 | 59.5 | 65–70 |
| No.10 | 19.8 | 62.1 | 70–75 |
| No.11 | 20.6 | 64.6 | 75–80 |
| No.12 | 21.4 | 67.2 | 85–90 |
| No.13 | 22.2 | 69.75 | 95–100 |