Ring Sizer: AR Ruler Table is a comprehensive tool for accurately determining your ring size, offering four convenient methods for precise measurements. Utilizing innovative AR technology, the app provides a camera measurement feature where you place your hand on a flat surface for automatic sizing. Additionally, you can measure your ring's diameter using the Ring-on-Screen method, with sizes displayed in various regional standards.

Furthermore, the Finger-on-Screen option allows you to find your size by placing your finger on the screen within an outline and adjusting a slider. The app also includes an in-app ruler for direct ring diameter measurements, along with a detailed Ring Size Chart that correlates regional size standards with finger diameter in millimeters and inches.