PerfectFit® Ring Sizer
Radius Technologies
About this app
- Age 10
- Updated Nov 13, 2023
- OS IOS
Editor reviews
PerfectFit Ring Sizer is a fast, accurate tool to find your exact ring size at home. Designed for effortless jewelry shopping, it helps you measure an existing ring or your finger, convert sizes across regions, and save profiles for yourself and loved ones. No guesswork, no extra hardware, and no confusing charts.
Core features:
- On-screen ring sizing: place a ring on your phone and match the adjustable guide for instant diameter and size.
- Finger measurement support: follow simple guidance with a printable strip or soft tape, then get the exact size with quarter and half-size precision.
- Global conversion and profiles: instantly convert US, UK, EU, JP, and mm; save multiple profiles with notes like preferred fit and band width.
Why it stands out: fast and beginner-friendly, precise scaling with simple calibration, clear fit tips for wide bands and temperature changes, and easy sharing with your jeweler. Ideal for online jewelry shopping, gifting, and everyday use. Keywords: ring sizer app, ring size measurement, printable ring sizer, ring size chart, convert ring sizes, jewelry shopping.
Screenshots
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How to use:
1. Download and open the app, then set your region and units for size conversion.
2. Calibrate once by aligning a standard card outline on-screen to ensure precise scaling.
3. To size an existing ring, place it on your screen and adjust the on-screen circle until it fits the inner edge perfectly.
4. To size your finger, follow the in-app guide with a printable strip or soft tape, enter the measurement, and view your exact size in multiple regions.
5. Save the result to a profile with hand and finger labels, add fit notes, and share your size with a jeweler or keep it for future purchases.