Ring Size Calibrator

Stop guessing your ring size! The Ring Sizer App provides a precise, easy-to-use digital measurement tool right on your Android screen. Designed for engagement rings, wedding bands, and general jewelry shopping, our app ensures you get the perfect fit every time, whether you're shopping locally or internationally. ✨ Key Features Accurate Screen Calibration: Uses your device's DPI/PPI (Pixels Per Inch) to guarantee accurate, real-world measurement comparisons. The drawing of the ring is scientifically calibrated, not just a guess! Adjustable Digital Ruler: Simply place an existing ring on your phone's screen and use the smooth slider to match the inner edge of the digital circle to your physical ring. Comprehensive International Conversion: Get instant size results for all major global standards simultaneously, eliminating the need for conversion charts. 🌍 Full International Size Chart (Instant Results) This app is your one-stop solution for global jewelry sizing. After setting your measurement, you instantly receive your size across all these standards: US/Canada (US/CA): Standard half- and quarter-size increments. UK/Ireland (UK/IR): Standard alphabetical sizes (A-Z). Australia/New Zealand/South Africa (AU/NZ/SA): Uses the same alphabetical system as the UK. European Union (EU): Circumference measurement in full millimeters. ISO Standard: The official international standard based on inner circumference (mm). Japan (JP): Numbered sizes commonly used in East Asia. China/India (CH/IN): Numbered sizes used across large parts of Asia. 🔎 How to Use the App for Precision Open the App: Ensure your screen is clean and scratch-free. Place Ring: Take a ring that fits the desired finger and place it directly on the center of your screen. Adjust the Slider: Use the slider (SeekBar) at the bottom to increase or decrease the diameter of the red digital circle. Match the Inner Edge: Continue adjusting until the inner edge of the red circle perfectly matches the inner edge of your physical ring. Read Results: Your screen will instantly display the measured Diameter in millimeters (mm) and the corresponding size across all international charts (US, UK, EU, Japan, etc.). 💎 Perfect for Jewelry Shopping The Ring Sizer App is the essential companion for: Buying Engagement or Wedding Rings: Ensure the proposal is perfect with the right size. Online Jewelry Purchases: Confidently buy rings from foreign retailers without worrying about conversions. Gifting: Discreetly measure an existing ring to buy a surprise gift that fits perfectly. We aim to make ring measurement as simple and accurate as possible. Download the Ring Sizer App today and always know your perfect fit! (Note: While this tool is highly accurate, small variations between physical rings and brands may occur. Always consider a slight tolerance.)