mp-units/docs/reference/systems_reference/systems/angular.md

Angular System

Namespace: mp_units::angular

Module: mp_units.systems

Header: <mp-units/systems/angular.h>

Secondary Headers:

• <mp-units/systems/angular/math.h>
• <mp-units/systems/angular/units.h>

Dimensions

Name	Symbol
dim_angle	α

Quantities

Quantity	Character	Dimension	Kind of	Parent	Equation	Hierarchy
angle	Real	α	angular::angle	—	—	view
solid_angle	Real	α²	angular::solid_angle	—	pow<2>(angle)	view

Units

Unit Name	Symbol	unit_symbol	Definition
degree	° (deg)	deg	mag_ratio<1, 360> * revolution
gradian	ᵍ (grad)	grad	mag_ratio<1, 400> * revolution
radian	rad	rad	kind: angle
revolution	rev	rev	mag<2> * π * radian
steradian	sr	sr	square(radian)