Калькулятор площади is a free Android app developed by Einsof that allows users to calculate the area of various 2D geometric figures. The app includes a range of shapes, including circles, sectors, triangles, parallelograms, polygons, ellipses, rectangles, and trapezoids. Users can calculate the area of these shapes using different methods, such as by entering the length of the sides or the height and base of the shape.

One of the best things about Калькулятор площади is that it allows users to calculate the area in different units, including square kilometers (km²), square meters (m²), square centimeters (cm²), square millimeters (mm²), square feet (ft²), square yards (yard²), and square miles (mile²). This feature makes it an ideal tool for professionals who need to work with different units of measurement. Overall, Калькулятор площади is a useful app for anyone who needs to calculate the area of 2D geometric figures in different units.