# Dimensions Reference

Physical dimensions according to the SI system.

This header includes all physical dimension headers for both base and derived dimensions.

derived dimension for absorbed dose : L^2 T^-2
derived_dimension< `length_base_dimension`, 2, `time_base_dimension`,-2 >::type
derived dimension for acceleration : L T^-2
derived_dimension< `length_base_dimension`, 1, `time_base_dimension`,-2 >::type
derived dimension for action : L^2 M T^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-1 >::type
derived dimension for activity : T^-1
derived_dimension< `time_base_dimension`,-1 >::type
boost::units::base_dimension< amount_base_dimension,-4 >
base dimension of amount
dimension of amount of substance (N)
amount_base_dimension::dimension_type
derived dimension for angular acceleration : T^-2 QP
derived_dimension< `time_base_dimension`,-2, `plane_angle_base_dimension`, 1 >::type
derived dimension for angular momentum : L^2 M T^-1 QP^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-1, `plane_angle_base_dimension`,-1 >::type
derived dimension for angular velocity : T^-1 QP
derived_dimension< `time_base_dimension`,-1, `plane_angle_base_dimension`, 1 >::type
derived dimension for area : L^2
derived_dimension< `length_base_dimension`, 2 >::type
derived dimension for capacitance : L^-2 M^-1 T^4 I^2
derived_dimension< `length_base_dimension`,-2, `mass_base_dimension`,-1, `time_base_dimension`, 4, `current_base_dimension`, 2 >::type
derived dimension for conductance : L^-2 M^-1 T^3 I^2
derived_dimension< `length_base_dimension`,-2, `mass_base_dimension`,-1, `time_base_dimension`, 3, `current_base_dimension`, 2 >::type
derived dimension for conductivity : L^-3 M^-1 T^3 I^2
derived_dimension< `length_base_dimension`,-3, `mass_base_dimension`,-1, `time_base_dimension`, 3, `current_base_dimension`, 2 >::type
boost::units::base_dimension< current_base_dimension,-6 >
base dimension of current
dimension of electric current (I)
current_base_dimension::dimension_type
derived dimension for dose equivalent : L^2 T^-2
derived_dimension< `length_base_dimension`, 2, `time_base_dimension`,-2 >::type
derived dimension for dynamic viscosity : M L^-1 T^-1
derived_dimension< `mass_base_dimension`, 1, `length_base_dimension`,-1, `time_base_dimension`,-1 >::type
derived dimension for electric charge : T^1 I^1
derived_dimension< `time_base_dimension`, 1, `current_base_dimension`, 1 >::type
derived dimension for electric potential : L^2 M T^-3 I^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-3, `current_base_dimension`,-1 >::type
derived dimension for energy : L^2 M T^-2
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-2 >::type
derived dimension for energy density : L^-1 M^1 T^-2
derived_dimension< `length_base_dimension`,-1, `mass_base_dimension`, 1, `time_base_dimension`,-2 >::type
derived dimension for force : L M T^-2
derived_dimension< `length_base_dimension`, 1, `mass_base_dimension`, 1, `time_base_dimension`,-2 >::type
derived dimension for frequency : T^-1
derived_dimension< `time_base_dimension`,-1 >::type
derived dimension for heat capacity : L^2 M T^-2 Theta^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-2, `temperature_base_dimension`,-1 >::type
derived dimension for illuminance : L^-2 I QS
derived_dimension< `length_base_dimension`,-2, `luminous_intensity_base_dimension`, 1, `solid_angle_base_dimension`, 1 >::type
derived dimension for impedance : L^2 M T^-3 I^-2
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-3, `current_base_dimension`,-2 >::type
derived dimension for inductance : L^2 M T^-2 I^-2
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-2, `current_base_dimension`,-2 >::type
boost::units::base_dimension< information_base_dimension, -700 >
base dimension of information
dimension of information
information_base_dimension::dimension_type
derived dimension for kinematic viscosity : L^2 T^-1
derived_dimension< `length_base_dimension`, 2, `time_base_dimension`,-1 >::type
boost::units::base_dimension< length_base_dimension, -9 >
base dimension of length
dimension of length (L)
length_base_dimension::dimension_type
derived dimension for luminance : L^-2 I
derived_dimension< `length_base_dimension`,-2, `luminous_intensity_base_dimension`, 1 >::type
derived dimension for luminous flux : I QS
derived_dimension< `luminous_intensity_base_dimension`, 1, `solid_angle_base_dimension`, 1 >::type
boost::units::base_dimension< luminous_intensity_base_dimension,-3 >
base dimension of luminous intensity
dimension of luminous intensity (J)
luminous_intensity_base_dimension::dimension_type
derived dimension for magnetic field intensity : L^-1 I
derived_dimension< `length_base_dimension`,-1, `current_base_dimension`, 1 >::type
derived dimension for magnetic flux : L^2 M T^-2 I^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-2, `current_base_dimension`,-1 >::type
derived dimension for magnetic flux density : M T^-2 I^-1
derived_dimension< `mass_base_dimension`, 1, `time_base_dimension`,-2, `current_base_dimension`,-1 >::type
boost::units::base_dimension< mass_base_dimension,-8 >
base dimension of mass
dimension of mass (M)
mass_base_dimension::dimension_type
derived dimension for mass density : L^-3 M
derived_dimension< `length_base_dimension`,-3, `mass_base_dimension`, 1 >::type
derived dimension for molar energy : L^2 M T^-2 N^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-2, `amount_base_dimension`,-1 >::type
derived dimension for molar heat capacity : L^2 M T^-2 Theta^-1 N^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-2, `temperature_base_dimension`,-1, `amount_base_dimension`,-1 >::type
derived dimension for moment of inertia : L^2 M QP^-2
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `plane_angle_base_dimension`,-2 >::type
derived dimension for linear momentum : L M T^-1
derived_dimension< `length_base_dimension`, 1, `mass_base_dimension`, 1, `time_base_dimension`,-1 >::type
derived dimension for permeability : L M T^-2 I^-2
derived_dimension< `length_base_dimension`, 1, `mass_base_dimension`, 1, `time_base_dimension`,-2, `current_base_dimension`,-2 >::type
derived dimension for permittivity : L^-3 M^-1 T^4 I^2
derived_dimension< `length_base_dimension`,-3, `mass_base_dimension`,-1, `time_base_dimension`, 4, `current_base_dimension`, 2 >::type
boost::units::base_dimension< plane_angle_base_dimension,-2 >
base dimension of plane angle
base dimension of plane angle (QP)
plane_angle_base_dimension::dimension_type
derived dimension for power : L^2 M T^-3
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-3 >::type
derived dimension for pressure : L^-1 M T^-2
derived_dimension< `length_base_dimension`,-1, `mass_base_dimension`, 1, `time_base_dimension`,-2 >::type
derived dimension for reluctance : L^-2 M^-1 T^2 I^2
derived_dimension< `length_base_dimension`,-2, `mass_base_dimension`,-1, `time_base_dimension`, 2, `current_base_dimension`, 2 >::type
derived dimension for resistance : L^2 M T^-3 I^-2
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-3, `current_base_dimension`,-2 >::type
derived dimension for resistivity : L^3 M T^-3 I^-2
derived_dimension< `length_base_dimension`, 3, `mass_base_dimension`, 1, `time_base_dimension`,-3, `current_base_dimension`,-2 >::type
boost::units::base_dimension< solid_angle_base_dimension,-1 >
base dimension of solid angle
base dimension of solid angle (QS)
solid_angle_base_dimension::dimension_type
derived dimension for specific energy : L^2 T^-2
derived_dimension< `length_base_dimension`, 2, `time_base_dimension`,-2 >::type
derived dimension for specific heat capacity : L^2 T^-2 Theta^-1
derived_dimension< `length_base_dimension`, 2, `time_base_dimension`,-2, `temperature_base_dimension`,-1 >::type
derived dimension for specific volume : L^3 M^-1
derived_dimension< `length_base_dimension`, 3, `mass_base_dimension`,-1 >::type
derived dimension for stress : L^-1 M T^-2
derived_dimension< `length_base_dimension`,-1, `mass_base_dimension`, 1, `time_base_dimension`,-2 >::type
derived dimension for surface density : L^-2 M
derived_dimension< `length_base_dimension`,-2, `mass_base_dimension`, 1 >::type
derived dimension for surface tension : M T^-2
derived_dimension< `mass_base_dimension`, 1, `time_base_dimension`,-2 >::type
boost::units::base_dimension< temperature_base_dimension,-5 >
base dimension of temperature
dimension of temperature (Theta)
temperature_base_dimension::dimension_type
derived dimension for thermal_conductivity : L^1 M^1 T^-3 Theta^-1
derived_dimension< `length_base_dimension`, 1, `mass_base_dimension`, 1, `time_base_dimension`,-3, `temperature_base_dimension`,-1 >::type
boost::units::base_dimension< time_base_dimension,-7 >
base dimension of time
dimension of time (T)
time_base_dimension::dimension_type
derived dimension for torque : L^2 M T^-2 QP^-1
derived_dimension< `length_base_dimension`, 2, `mass_base_dimension`, 1, `time_base_dimension`,-2, `plane_angle_base_dimension`,-1 >::type
derived dimension for velocity : L T^-1
derived_dimension< `length_base_dimension`, 1, `time_base_dimension`,-1 >::type
derived dimension for volume : l^3
derived_dimension< `length_base_dimension`, 3 >::type
derived dimension for wavenumber : L^-1
derived_dimension< `length_base_dimension`,-1 >::type