Using Land Area Measurement - GPS Area Calculator App you can convert different shapes of land, plot area into feet, square feet, meters, square meters, kilometers, miles, marlas, and canals. A variety of units help those people who work in fields and land areas to convert land, plot area into feet, square feet, meters, square meters, kilometers, miles, marlas, and canals. Land Area Measurement - GPS Area Calculator App also allows you to measure field area with GPS land measurement.