name | Symbol | unit | Value | remarks |
Reduced Planck constant |
| J∙s |
| exact |
Official Gravitation constant |
| kg−1∙m3∙s−1 |
| contested |
Optimized Gravitation constant | G | kg−1∙m3∙s−1 |
| [5] |
Relativity local speed | c | m∙s−1 | 299792458 | exact |
Boltzmann conversion constant |
| J∙K−1 |
| exact |
Rydbergh reduced wavelength |
| m |
| (Monster Group order) |
Fermi constant |
| J∙m3 |
| 500 ppb |
Electron mass |
| kg |
| 0.3 ppb |
Electron reduced wavelength |
| m |
| 0.3 ppb |
Electron classical radius |
| m |
| 0.45 ppb |
Hydrogen Bohr radius |
| m |
| 0.45 ppb |
Planck length |
| m |
| ppb [5] |
Critical density |
| kgm−3 |
| with , independent of c |
Optimised CMB temperature |
| K | 2.7258204 | [5] 2.7255(6) |
CMB wavelength |
| m |
| [5] |
CMB red. wav. ; |
| m |
|
|
CMB Wien wavelength |
| m |
| [5] |
CMB photon length |
| m |
| [5] |
CMB energy density |
| J∙m−3 |
| [5] |
Radiation density energy |
| J∙m−3 |
| [5] |
Critical Energy versus radiation ratio |
| - | 12045.685 |
|
Square root of critical entropy |
| - | 12087.731 |
|
Optimized CNB temperature |
| K | 1.9455976 | [3] |
Neutrino (CNB) reduced wavelength |
| m |
|
|
Non-Local (Kotov) length |
| m |
| [5] |
Hubble length (Universe radius) | R | m |
| [5] |
Cosmos holographic radius |
| m |
| [5] |
Cosmos radius |
| m |
| [5] |
Universe mass | M | kg |
| [5] |
Baryonic Neutron Number |
| - |
| [5] |
Eddington Large Number |
| - |
| [10] |
Cosmos holographic reduced mass |
| kg |
| [5] Nambu mass |