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Size Guide
Hey Girl! We've got the perfect fit for your finger 💍
Our unique design allows for 3 sizes in one due to our split in the side of the device, which also accommodates to overnight finger swelling.
To find your ring size you just have to follow our sizing app which is available in the App Store and the Google Play Store.
Or check out our sizing chart below to find your ring size.
Femtek | AUS/UK | US |
---|---|---|
1 | H 1/2 - J 1/2 | 4 - 5 |
2 | L - M | 5 1/2 - 6 1/2 |
3 | O - Q | 7 - 8 |
4 | Q 3/4 - S 3/4 | 8 1/2 - 9 1/2 |
5 | T 1/2 - V 1/2 | 10 - 11 |
Still not sure about your size? No worries!
If you don’t have a ring that you can use for finding your size, we recommend heading over to a jeweller and having them quickly size your index finger!
- Only worn at night
- Unobtrusive temperature monitoring
- Enhanced reproductive health management and monitoring
The wearable you barely need to wear
Temperature sensing technology
Fertility awareness
Personalised insights
Smart app connectivity
Convenience
Informed decision making
Fomo for real
Kyri unfiltered
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