SI System Reference

Includes all the si unit headers

unit< absorbed_dose_dimension, si::system >

const absorbed_dose

unit< acceleration_dimension, si::system >

const acceleration

unit< action_dimension, si::system >

unit< activity_dimension, si::system >

const activity

unit< amount_dimension, si::system >

const amount

unit< angular_acceleration_dimension, si::system >

unit< angular_momentum_dimension, si::system >

unit< angular_velocity_dimension, si::system >

const angular_velocity

unit< area_dimension, si::system >

const area

placeholder class defining si unit system make_system< meter_base_unit, kilogram_base_unit, second_base_unit, ampere_base_unit, kelvin_base_unit, mole_base_unit, candela_base_unit, angle::radian_base_unit, angle::steradian_base_unit >::type dimensionless si unit unit< dimensionless_type, system >

unit< capacitance_dimension, si::system >

const capacitance

catalytic activity : T^-1 A^1 derived_dimension< time_base_dimension,-1, amount_base_dimension, 1 >::type unit< si::catalytic_activity_dim, si::system >

const catalytic_activity

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_alphaquantity< mass >6.64465620e-27 *3.3e-34 *CODATA recommended values of the fundamental physical constants: NIST SP 961. alpha particle mass m_alpha_over_m_equantity< dimensionless >7294.2995365 *3.1e-6 *alpha-electron mass ratio m_alpha_over_m_pquantity< dimensionless >3.97259968951 *4.1e-10 *alpha-proton mass ratio M_alphaquantity< mass_over_amount >4.001506179127e-3 *kilograms/6.2e-14 *kilograms/alpha molar mass

alphaquantity< dimensionless >7.2973525376e-3 *5.0e-12 *CODATA recommended values of the fundamental physical constants: NIST SP 961. fine structure constant R_infinityquantity< wavenumber >10973731.568527/7.3e-5/Rydberg constant. a_0quantity< length >0.52917720859e-10 *3.6e-20 *Bohr radius. E_hquantity< energy >4.35974394e-18 *2.2e-25 *Hartree energy.

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_dquantity< mass >3.34358320e-27 *1.7e-34 *CODATA recommended values of the fundamental physical constants: NIST SP 961. deuteron mass m_d_over_m_equantity< dimensionless >3670.4829654 *1.6e-6 *deuteron-electron mass ratio m_d_over_m_pquantity< dimensionless >1.99900750108 *2.2e-10 *deuteron-proton mass ratio M_dquantity< mass_over_amount >2.013553212724e-3 *kilograms/7.8e-14 *kilograms/deuteron molar mass R_dquantity< length >2.1402e-15 *2.8e-18 *deuteron rms charge radius mu_dquantity< energy_over_magnetic_flux_density >0.433073465e-26 *joules/1.1e-34 *joules/deuteron magnetic moment mu_d_over_mu_Bquantity< dimensionless >0.4669754556e-3 *3.9e-12 *deuteron-Bohr magneton ratio mu_d_over_mu_Nquantity< dimensionless >0.8574382308 *7.2e-9 *deuteron-nuclear magneton ratio g_dquantity< dimensionless >0.8574382308 *7.2e-9 *deuteron g-factor mu_d_over_mu_equantity< dimensionless >-4.664345537e-4 *3.9e-12 *deuteron-electron magnetic moment ratio mu_d_over_mu_pquantity< dimensionless >0.3070122070 *2.4e-9 *deuteron-proton magnetic moment ratio mu_d_over_mu_nquantity< dimensionless >-0.44820652 *1.1e-7 *deuteron-neutron magnetic moment ratio

CODATA recommended values of fundamental electromagnetic constants. CODATA recommended values of the fundamental physical constants: NIST SP 961 CODATA 2006 values as of 2007/03/30 equantity< electric_charge >1.602176487e-19 *4.0e-27 *elementary charge e_over_hquantity< current_over_energy >2.417989454e14 *amperes/6.0e6 *amperes/elementary charge to Planck constant ratio Phi_0quantity< magnetic_flux >2.067833667e-15 *5.2e-23 *magnetic flux quantum G_0quantity< conductance >7.7480917004e-5 *5.3e-14 *conductance quantum K_Jquantity< frequency_over_electric_potential >483597.891e9 *hertz/1.2e7 *hertz/Josephson constant. R_Kquantity< resistance >25812.807557 *1.77e-5 *von Klitzing constant mu_Bquantity< energy_over_magnetic_flux_density >927.400915e-26 *joules/2.3e-31 *joules/Bohr magneton. mu_Nquantity< energy_over_magnetic_flux_density >5.05078324e-27 *joules/1.3e-34 *joules/nuclear magneton

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_equantity< mass >9.10938215e-31 *4.5e-38 *CODATA recommended values of the fundamental physical constants: NIST SP 961. electron mass m_e_over_m_muquantity< dimensionless >4.83633171e-3 *1.2e-10 *electron-muon mass ratio m_e_over_m_tauquantity< dimensionless >2.87564e-4 *4.7e-8 *electron-tau mass ratio m_e_over_m_pquantity< dimensionless >5.4461702177e-4 *2.4e-13 *electron-proton mass ratio m_e_over_m_nquantity< dimensionless >5.4386734459e-4 *3.3e-13 *electron-neutron mass ratio m_e_over_m_dquantity< dimensionless >2.7244371093e-4 *1.2e-13 *electron-deuteron mass ratio m_e_over_m_alphaquantity< dimensionless >1.37093355570e-4 *5.8e-14 *electron-alpha particle mass ratio e_over_m_equantity< electric_charge_over_mass >1.758820150e11 *coulombs/4.4e3 *coulombs/electron charge to mass ratio M_equantity< mass_over_amount >5.4857990943e-7 *kilograms/2.3e-16 *kilograms/electron molar mass lambda_Cquantity< length >2.4263102175e-12 *3.3e-21 *Compton wavelength. r_equantity< length >2.8179402894e-15 *5.8e-24 *classical electron radius sigma_equantity< area >0.6652458558e-28 *2.7e-37 *Thompson cross section. mu_equantity< energy_over_magnetic_flux_density >-928.476377e-26 *joules/2.3e-31 *joules/electron magnetic moment mu_e_over_mu_Bquantity< dimensionless >-1.00115965218111 *7.4e-13 *electron-Bohr magenton moment ratio mu_e_over_mu_Nquantity< dimensionless >-183.28197092 *8.0e-7 *electron-nuclear magneton moment ratio a_equantity< dimensionless >1.15965218111e-3 *7.4e-13 *electron magnetic moment anomaly g_equantity< dimensionless >-2.0023193043622 *1.5e-12 *electron g-factor mu_e_over_mu_muquantity< dimensionless >206.7669877 *5.2e-6 *electron-muon magnetic moment ratio mu_e_over_mu_pquantity< dimensionless >-658.2106848 *5.4e-6 *electron-proton magnetic moment ratio mu_e_over_mu_p_primequantity< dimensionless >-658.2275971 *7.2e-6 *electron-shielded proton magnetic moment ratio mu_e_over_mu_nquantity< dimensionless >960.92050 *2.3e-4 *electron-neutron magnetic moment ratio mu_e_over_mu_dquantity< dimensionless >-2143.923498 *1.8e-5 *electron-deuteron magnetic moment ratio mu_e_over_mu_h_primequantity< dimensionless >864.058257 *1.0e-5 *electron-shielded helion magnetic moment ratio gamma_equantity< frequency_over_magnetic_flux_density >1.760859770e11/second/4.4e3/second/electron gyromagnetic ratio

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_hquantity< mass >5.00641192e-27 *2.5e-34 *CODATA recommended values of the fundamental physical constants: NIST SP 961. helion mass m_h_over_m_equantity< dimensionless >5495.8852765 *5.2e-6 *helion-electron mass ratio m_h_over_m_pquantity< dimensionless >2.9931526713 *2.6e-9 *helion-proton mass ratio M_hquantity< mass_over_amount >3.0149322473e-3 *kilograms/2.6e-12 *kilograms/helion molar mass mu_h_primequantity< energy_over_magnetic_flux_density >-1.074552982e-26 *joules/3.0e-34 *joules/helion shielded magnetic moment mu_h_prime_over_mu_Bquantity< dimensionless >-1.158671471e-3 *1.4e-11 *shielded helion-Bohr magneton ratio mu_h_prime_over_mu_Nquantity< dimensionless >-2.127497718 *2.5e-8 *shielded helion-nuclear magneton ratio mu_h_prime_over_mu_pquantity< dimensionless >-0.761766558 *1.1e-8 *shielded helion-proton magnetic moment ratio mu_h_prime_over_mu_p_primequantity< dimensionless >-0.7617861313 *3.3e-8 *shielded helion-shielded proton magnetic moment ratio gamma_h_primequantity< frequency_over_magnetic_flux_density >2.037894730e8/second/5.6e-0/second/shielded helion gyromagnetic ratio

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_muquantity< mass >1.88353130e-28 *1.1e-35 *CODATA recommended values of the fundamental physical constants: NIST SP 961. muon mass m_mu_over_m_equantity< dimensionless >206.7682823 *5.2e-6 *muon-electron mass ratio m_mu_over_m_tauquantity< dimensionless >5.94592e-2 *9.7e-6 *muon-tau mass ratio m_mu_over_m_pquantity< dimensionless >0.1126095261 *2.9e-9 *muon-proton mass ratio m_mu_over_m_nquantity< dimensionless >0.1124545167 *2.9e-9 *muon-neutron mass ratio M_muquantity< mass_over_amount >0.1134289256e-3 *kilograms/2.9e-12 *kilograms/muon molar mass lambda_C_muquantity< length >11.73444104e-15 *3.0e-22 *muon Compton wavelength mu_muquantity< energy_over_magnetic_flux_density >-4.49044786e-26 *joules/1.6e-33 *joules/muon magnetic moment mu_mu_over_mu_Bquantity< dimensionless >-4.84197049e-3 *1.2e-10 *muon-Bohr magneton ratio mu_mu_over_mu_Nquantity< dimensionless >-8.89059705 *2.3e-7 *muon-nuclear magneton ratio a_muquantity< dimensionless >1.16592069e-3 *6.0e-10 *muon magnetic moment anomaly g_muquantity< dimensionless >-2.0023318414 *1.2e-9 *muon g-factor mu_mu_over_mu_pquantity< dimensionless >-3.183345137 *8.5e-8 *muon-proton magnetic moment ratio

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_nquantity< mass >1.674927211e-27 *8.4e-35 *CODATA recommended values of the fundamental physical constants: NIST SP 961. neutron mass m_n_over_m_equantity< dimensionless >1838.6836605 *1.1e-6 *neutron-electron mass ratio m_n_over_m_muquantity< dimensionless >8.89248409 *2.3e-7 *neutron-muon mass ratio m_n_over_m_tauquantity< dimensionless >0.528740 *8.6e-5 *neutron-tau mass ratio m_n_over_m_pquantity< dimensionless >1.00137841918 *4.6e-10 *neutron-proton mass ratio M_nquantity< mass_over_amount >1.00866491597e-3 *kilograms/4.3e-13 *kilograms/neutron molar mass lambda_C_nquantity< length >1.3195908951e-15 *2.0e-24 *neutron Compton wavelength mu_nquantity< energy_over_magnetic_flux_density >-0.96623641e-26 *joules/2.3e-33 *joules/neutron magnetic moment g_nquantity< dimensionless >-3.82608545 *9.0e-7 *neutron g-factor mu_n_over_mu_equantity< dimensionless >1.04066882e-3 *2.5e-10 *neutron-electron magnetic moment ratio mu_n_over_mu_pquantity< dimensionless >-0.68497934 *1.6e-7 *neutron-proton magnetic moment ratio mu_n_over_mu_p_primequantity< dimensionless >-0.68499694 *1.6e-7 *neutron-shielded proton magnetic moment ratio gamma_nquantity< frequency_over_magnetic_flux_density >1.83247185e8/second/4.3e1/second/neutron gyromagnetic ratio

CODATA recommended values of fundamental physico-chemical constants CODATA 2014 values as of 2016/04/26 N_Aquantity< inverse_amount >6.022140857e23/7.4e15/Avogadro constant. m_uquantity< mass >1.660539040e-27 *2.0e-35 *atomic mass constant Fquantity< electric_charge_over_amount >96485.33289 *coulombs/5.9e-4 *coulombs/Faraday constant. Rquantity< energy_over_temperature_amount >8.3144598 *joules/kelvin/4.8e-06 *joules/kelvin/molar gas constant k_Bquantity< energy_over_temperature >1.38064852e-23 *joules/7.9e-30 *joules/Boltzmann constant. sigma_SBquantity< power_over_area_temperature_4 >5.670367e-8 *watts/square_meter/pow< 4 >1.3e-13 *watts/square_meter/pow< 4 >Stefan-Boltzmann constant. c_1quantity< power_area >3.741771790e-16 *watt *4.6e-24 *watt *first radiation constant c_1Lquantity< power_area_over_solid_angle >1.191042953e-16 *watt *square_meters/1.5e-24 *watt *square_meters/first radiation constant for spectral radiance c_2quantity< length_temperature >1.43877736e-2 *meter *8.3e-9 *meter *second radiation constant bquantity< length_temperature >2.8977729e-3 *meter *1.7e-9 *meter *Wien displacement law constant : lambda_max T. b_primequantity< frequency_over_temperature >5.8789238e10 *hertz/3.4e4 *hertz/Wien displacement law constant : nu_max/T.

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_pquantity< mass >1.672621637e-27 *8.3e-35 *CODATA recommended values of the fundamental physical constants: NIST SP 961. proton mass m_p_over_m_equantity< dimensionless >1836.15267247 *8.0e-7 *proton-electron mass ratio m_p_over_m_muquantity< dimensionless >8.88024339 *2.3e-7 *proton-muon mass ratio m_p_over_m_tauquantity< dimensionless >0.528012 *8.6e-5 *proton-tau mass ratio m_p_over_m_nquantity< dimensionless >0.99862347824 *4.6e-10 *proton-neutron mass ratio e_over_m_pquantity< electric_charge_over_mass >9.57883392e7 *coulombs/2.4e0 *coulombs/proton charge to mass ratio M_pquantity< mass_over_amount >1.00727646677e-3 *kilograms/1.0e-13 *kilograms/proton molar mass lambda_C_pquantity< length >1.3214098446e-15 *1.9e-24 *proton Compton wavelength R_pquantity< length >0.8768e-15 *6.9e-18 *proton rms charge radius mu_pquantity< energy_over_magnetic_flux_density >1.410606662e-26 *joules/3.7e-34 *joules/proton magnetic moment mu_p_over_mu_Bquantity< dimensionless >1.521032209e-3 *1.2e-11 *proton-Bohr magneton ratio mu_p_over_mu_Nquantity< dimensionless >2.792847356 *2.3e-8 *proton-nuclear magneton ratio g_pquantity< dimensionless >5.585694713 *4.6e-8 *proton g-factor mu_p_over_mu_nquantity< dimensionless >-1.45989806 *3.4e-7 *proton-neutron magnetic moment ratio mu_p_primequantity< energy_over_magnetic_flux_density >1.410570419e-26 *joules/3.8e-34 *joules/shielded proton magnetic moment mu_p_prime_over_mu_Bquantity< dimensionless >1.520993128e-3 *1.7e-11 *shielded proton-Bohr magneton ratio mu_p_prime_over_mu_Nquantity< dimensionless >2.792775598 *3.0e-8 *shielded proton-nuclear magneton ratio sigma_p_primequantity< dimensionless >25.694e-6 *1.4e-8 *proton magnetic shielding correction gamma_pquantity< frequency_over_magnetic_flux_density >2.675222099e8/second/7.0e0/second/proton gyromagnetic ratio gamma_p_primequantity< frequency_over_magnetic_flux_density >2.675153362e8/second/7.3e0/second/shielded proton gyromagnetic ratio

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_tauquantity< mass >3.16777e-27 *5.2e-31 *CODATA recommended values of the fundamental physical constants: NIST SP 961. tau mass m_tau_over_m_equantity< dimensionless >3477.48 *5.7e-1 *tau-electron mass ratio m_tau_over_m_muquantity< dimensionless >16.8183 *2.7e-3 *tau-muon mass ratio m_tau_over_m_pquantity< dimensionless >1.89390 *3.1e-4 *tau-proton mass ratio m_tau_over_m_nquantity< dimensionless >1.89129 *3.1e-4 *tau-neutron mass ratio M_tauquantity< mass_over_amount >1.90768e-3 *kilograms/3.1e-7 *kilograms/tau molar mass lambda_C_tauquantity< length >0.69772e-15 *1.1e-19 *tau Compton wavelength

CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30 m_tquantity< mass >5.00735588e-27 *2.5e-34 *CODATA recommended values of the fundamental physical constants: NIST SP 961. triton mass m_t_over_m_equantity< dimensionless >5496.9215269 *5.1e-6 *triton-electron mass ratio m_t_over_m_pquantity< dimensionless >2.9937170309 *2.5e-9 *triton-proton mass ratio M_tquantity< mass_over_amount >3.0155007134e-3 *kilograms/2.5e-12 *kilograms/triton molar mass mu_tquantity< energy_over_magnetic_flux_density >1.504609361e-26 *joules/4.2e-34 *joules/triton magnetic moment mu_t_over_mu_Bquantity< dimensionless >1.622393657e-3 *2.1e-11 *triton-Bohr magneton ratio mu_t_over_mu_Nquantity< dimensionless >2.978962448 *3.8e-8 *triton-nuclear magneton ratio g_tquantity< dimensionless >5.957924896 *7.6e-8 *triton g-factor mu_t_over_mu_equantity< dimensionless >-1.620514423e-3 *2.1e-11 *triton-electron magnetic moment ratio mu_t_over_mu_pquantity< dimensionless >1.066639908 *1.0e-8 *triton-proton magnetic moment ratio mu_t_over_mu_nquantity< dimensionless >-1.55718553 *3.7e-7 *triton-neutron magnetic moment ratio

divide_typeof_helper< frequency, electric_potential >::type divide_typeof_helper< electric_charge, mass >::type divide_typeof_helper< mass, amount >::type divide_typeof_helper< energy, magnetic_flux_density >::type divide_typeof_helper< frequency, magnetic_flux_density >::type divide_typeof_helper< current, energy >::type divide_typeof_helper< dimensionless, amount >::type divide_typeof_helper< energy, temperature >::type divide_typeof_helper< energy_over_temperature, amount >::type divide_typeof_helper< divide_typeof_helper< power, area >::type, power_typeof_helper< temperature, static_rational< 4 > >::type >::type multiply_typeof_helper< power, area >::type divide_typeof_helper< power_area, solid_angle >::type multiply_typeof_helper< length, temperature >::type divide_typeof_helper< frequency, temperature >::type divide_typeof_helper< divide_typeof_helper< force, current >::type, current >::type divide_typeof_helper< capacitance, length >::type divide_typeof_helper< divide_typeof_helper< divide_typeof_helper< volume, mass >::type, time >::type, time >::type multiply_typeof_helper< energy, time >::type divide_typeof_helper< electric_charge, amount >::type

CODATA recommended values of fundamental universal constants using CODATA 2006 values as of 2007/03/30 cquantity< velocity >299792458.0 *meters/0.0 *meters/CODATA recommended values of the fundamental physical constants: NIST SP 961. speed of light mu_0quantity< force_over_current_squared >12.56637061435917295385057353311801153679e-7 *newtons/ampere/0.0 *newtons/ampere/magnetic constant (exactly 4 pi x 10^(-7) - error is due to finite precision of pi) epsilon_0quantity< capacitance_over_length >8.854187817620389850536563031710750260608e-12 *farad/0.0 *farad/electric constant Z_0quantity< resistance >376.7303134617706554681984004203193082686 *0.0 *characteristic impedance of vacuum Gquantity< volume_over_mass_time_squared >6.67428e-11 *cubic_meters/kilogram/second/6.7e-15 *cubic_meters/kilogram/second/Newtonian constant of gravitation. hquantity< energy_time >6.62606896e-34 *joule *3.3e-41 *joule *Planck constant. hbarquantity< energy_time >1.054571628e-34 *joule *5.3e-42 *joule *Dirac constant. m_Pquantity< mass >2.17644e-8 *1.1e-12 *Planck mass. T_Pquantity< temperature >1.416785e32 *7.1e27 *Planck temperature. l_Pquantity< length >1.616252e-35 *8.1e-40 *Planck length. t_Pquantity< time >5.39124e-44 *2.7e-48 *Planck time.

unit< conductance_dimension, si::system >

const conductance

unit< conductivity_dimension, si::system >

unit< current_dimension, si::system >

const current

const dimensionless

unit< dose_equivalent_dimension, si::system >

const dose_equivalent

unit< dynamic_viscosity_dimension, si::system >

unit< electric_charge_dimension, si::system >

const electric_charge

unit< electric_potential_dimension, si::system >

const electric_potential

unit< energy_dimension, si::system >

const energy

unit< force_dimension, si::system >

const force

unit< frequency_dimension, si::system >

const frequency

unit< illuminance_dimension, si::system >

const illuminance

unit< impedance_dimension, si::system >

unit< inductance_dimension, si::system >

const inductance

std::stringconst reduce_unit< si::absorbed_dose >::type & std::stringconst reduce_unit< si::absorbed_dose >::type & std::stringconst reduce_unit< si::capacitance >::type & std::stringconst reduce_unit< si::capacitance >::type & std::stringconst reduce_unit< si::catalytic_activity >::type & std::stringconst reduce_unit< si::catalytic_activity >::type & std::stringconst reduce_unit< si::conductance >::type & std::stringconst reduce_unit< si::conductance >::type & std::stringconst reduce_unit< si::electric_charge >::type & std::stringconst reduce_unit< si::electric_charge >::type & std::stringconst reduce_unit< si::electric_potential >::type & std::stringconst reduce_unit< si::electric_potential >::type & std::stringconst reduce_unit< si::energy >::type & std::stringconst reduce_unit< si::energy >::type & std::stringconst reduce_unit< si::force >::type & std::stringconst reduce_unit< si::force >::type & std::stringconst reduce_unit< si::frequency >::type & std::stringconst reduce_unit< si::frequency >::type & std::stringconst reduce_unit< si::illuminance >::type & std::stringconst reduce_unit< si::illuminance >::type & std::stringconst reduce_unit< si::inductance >::type & std::stringconst reduce_unit< si::inductance >::type & std::stringconst reduce_unit< si::luminous_flux >::type & std::stringconst reduce_unit< si::luminous_flux >::type & std::stringconst reduce_unit< si::magnetic_flux >::type & std::stringconst reduce_unit< si::magnetic_flux >::type & std::stringconst reduce_unit< si::magnetic_flux_density >::type & std::stringconst reduce_unit< si::magnetic_flux_density >::type & std::stringconst reduce_unit< si::power >::type & std::stringconst reduce_unit< si::power >::type & std::stringconst reduce_unit< si::pressure >::type & std::stringconst reduce_unit< si::pressure >::type & std::stringconst reduce_unit< si::resistance >::type & std::stringconst reduce_unit< si::resistance >::type &

unit< kinematic_viscosity_dimension, si::system >

unit< length_dimension, si::system >

const length

unit< luminous_flux_dimension, si::system >

const luminous_flux

unit< luminous_intensity_dimension, si::system >

const luminous_intensity

unit< magnetic_field_intensity_dimension, si::system >

unit< magnetic_flux_dimension, si::system >

const magnetic_flux

unit< magnetic_flux_density_dimension, si::system >

const magnetic_flux_density

unit< mass_dimension, si::system >

const mass

unit< mass_density_dimension, si::system >

const mass_density

unit< moment_of_inertia_dimension, si::system >

unit< momentum_dimension, si::system >

unit< permeability_dimension, si::system >

unit< permittivity_dimension, si::system >

unit< plane_angle_dimension, si::system >

const plane_angle

unit< power_dimension, si::system >

const power

-yocto -zepto -atto -femto -pico -nano -micro -milli -centi -deci 1deka 2hecto 3kilo 6mega 9giga 12tera 15peta 18exa 21zetta 24yotta

unit< pressure_dimension, si::system >

const pressure

unit< reluctance_dimension, si::system >

unit< resistance_dimension, si::system >

const resistance

unit< resistivity_dimension, si::system >

unit< solid_angle_dimension, si::system >

const solid_angle

unit< surface_density_dimension, si::system >

const surface_density

unit< surface_tension_dimension, si::system >

const surface_tension

unit< temperature_dimension, si::system >

const temperature

unit< time_dimension, si::system >

const time

unit< torque_dimension, si::system >

const torque

unit< velocity_dimension, si::system >

const velocity

unit< volume_dimension, si::system >

const volume

unit< wavenumber_dimension, si::system >

const wavenumber