Pi (Pi) Pi to 1 Million (1,000,000) Digits Pi to 1 Billion (1,000,000,000) Digits [ZIP, 447 MB] | π | = | 3.14159265358979323846... |
| Avogadro constant (Avogadro constant) | NA | = | 6.02214×1023mol−1 |
| Boltzmann constant (Boltzmann constant) | kB | = | 1.38065×10−23JK−1 |
| Planck constant (Planck constant) | h ℏ=h/2π | = = | 6.62607×10−34Js 1.05457×10−34Js |
| Gas constant (gas constant) | R=NAkB | = | 8.31447JK−1mol−1 |
| Speed of light (speed of light) | c | = | 2.99792458×108ms−1 |
| Elementary charge (elementary charge) | e | = | 1.60218×10−19C |
| Faraday constant (Faraday constant) | F=NAe | = | 9.6485×104Cmol−1 |
| Atomic mass unit (atomic mass unit) | mu=1amu | = | 1.66054×10−27kg |
| Bohr radius (Bohr radius) | a0=1bohr=4πε0ℏ2/e2me | = | 5.29177×10−11m |
| Electron mass (electron mass) | me | = | 9.10938×10−31kg |
| Proton mass (proton mass) | mp | = | 1.67262×10−27kg |
| Neutron mass (neutron mass) | mn | = | 1.67493×10−27kg |
| Vacuum permittivity (vacuum permittivity) | ε0=1/μ0c2 4πε0 | = = | 8.85419×10−12J−1C2m−1 1.11265×10−10J−1C2m−1 |
| Vacuum permeability (vacuum permeability) | μ0 | = | 4π×10−7Js2C−2m−1 |
| Bohr magneton (Bohr magneton) | μB=eℏ/2me | = | 9.27401×10−24JT−1 |
| Nuclear magneton (nuclear magneton) | μN=eℏ/2mp | = | 5.05078×10−27JT−1 |
| Free-electron g-factor (electron g-factor) | ge | = | 2.00232 |
| Fine-structure constant (fine-structure constant) | α=μ0e2c/2h α−1 | = = | 7.29735×10−3 1.37036×102 |
| Second radiation constant (second radiation constant) | c2=hc/k | = | 1.43878×10−2mK |
| Stefan-Boltzmann constant (Stefan-Boltzmann constant) | σ=2π5k4/15h3c2 | = | 5.67040×10−8Wm−2K−4 |
| Rydberg constant (Rydberg constant) | R∞=mee4/8h3cε02 | = | 1.09737×105cm−1 |
| Standard gravitational acceleration (standard gravitational acceleration) | g | = | 9.80665ms−2 |
| Gravitational constant (gravitational constant) | G | = | 6.67428×10−11Nm2kg−2 |