GetScreenSize is a sophisticated application designed to calculate precise screen dimensions based on diagonal size and aspect ratio. The app features a beautiful fluid UI design with dynamic animations and supports multiple aspect ratios including standard 4:3 and 16:9 formats, plus custom ratio input for specialized displays like ultrawide monitors. Users can input diagonal measurements in inches, centimeters, or millimeters, and instantly receive accurate width and height calculations in millimeters. The application includes comprehensive calculation history tracking, allowing users to review past calculations, and offers an intuitive interface with real-time auto-calculation as users modify inputs. Perfect for designers, engineers, and tech enthusiasts who need precise screen dimension calculations for displays, monitors, and digital devices. The app combines professional functionality with an elegant user experience, making complex calculations simple and accessible.