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RingFit includes AI-assisted ring size estimates, an on-screen ruler, and ring size conversion. Measurements are estimates; verify final sizing with a jeweler.
PPI Calibrated Ring Sizer
RingFit helps estimate ring size using an AI-assisted photo scan or a calibrated on-screen ruler. Features: AI-assisted photo scan: Take a photo with a reference object to estimate a ring or finger size. Calibrated on-screen ruler: Calibrate the ruler with a physical reference before measuring an existing ring. Ring size converter: Convert measurements between supported regional ring-size standards. Saved measurements: Keep measurement history on your device for later reference. Light and dark themes are available. Measurements are estimates and can vary by device, calibration, photo quality, and placement. Verify the final size with a jeweler before purchasing a ring. Photos used for AI analysis are transmitted to our backend and Google Generative AI services. Measurement images may also be saved locally on your device when you save a result. See our privacy policy for details. Some features require a subscription. Privacy: https://legal.rkvpxdr.com/privacy.html