Angle

Converts angles between degrees, radians, gons, arcminutes, arcseconds, milliarcseconds, milliradians, turns, and three kinds of military mil. Surveyors, GIS developers, and anyone reading a compass or a code library use it. Start with the angle converter, or the degrees-to-radians and radians-to-degrees shortcuts for code. Pitfall: "mil" means different things. NATO, Warsaw Pact, and Swedish mils divide a circle into different numbers of parts, and none of them is exactly a milliradian, so check which one your instrument uses.