"Calc Coordinates" is an offline Android app that simplifies the conversion of different coordinate types. It allows users to convert WGS 1984 to Universal Transverse Mercator (UTM) and vice versa. Additionally, it can transform decimal degrees into formatted coordinates such as DD°MM' or DD°MM'SS.S''. With its user-friendly interface, this app is a must-have for anyone needing quick and accurate coordinate conversions.