Physics Constant Finder
A comprehensive and searchable database of fundamental physics constants (Universal, Electromagnetic, Atomic) for students and researchers.
Speed of Light in Vacuum
The maximum speed at which all conventional matter and information in the universe can travel.
Conversions
Planck Constant
A fundamental physical constant characteristic of the mathematical formulations of quantum mechanics.
Conversions
Reduced Planck Constant
The Planck constant divided by 2π, also known as the Dirac constant.
Conversions
Newtonian Constant of Gravitation
A physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's general theory of relativity.
Conversions
Elementary Charge
The electric charge carried by a single proton or, equivalently, the magnitude of the electric charge carried by a single electron.
Conversions
Vacuum Permittivity
The capability of an electric field to permeate a vacuum. Also known as the electric constant.
Vacuum Permeability
The measure of the resistance of a vacuum against the formation of a magnetic field within itself. Also known as the magnetic constant.
Coulomb Constant
A proportionality constant in electrostatics equations.
Characteristic Impedance of Vacuum
The physical constant relating the magnitudes of the electric and magnetic fields of electromagnetic radiation travelling through free space.
Fine-Structure Constant
Characterizes the strength of the electromagnetic interaction between elementary charged particles.
Conversions
Electron Mass
The mass of a stationary electron.
Conversions
Proton Mass
The mass of a stationary proton.
Conversions
Neutron Mass
The mass of a stationary neutron.
Conversions
Rydberg Constant
Represents the limiting value of the highest wavenumber (inverse wavelength) of any photon that can be emitted from the hydrogen atom.
Conversions
Bohr Radius
The most probable distance between the proton and electron in a hydrogen atom in its ground state.
Conversions
Bohr Magneton
A physical constant and the natural unit for expressing the magnetic moment of an electron caused by its orbital or spin angular momentum.
Conversions
Avogadro Constant
The number of constituent particles (usually atoms or molecules) that are contained in the amount of substance given by one mole.
Boltzmann Constant
Relates the average relative kinetic energy of particles in a gas with the thermodynamic temperature of the gas.
Conversions
Molar Gas Constant
Equivalent to the Boltzmann constant, but expressed in units of energy per temperature increment per mole.
Faraday Constant
The magnitude of electric charge per mole of electrons.
Stefan-Boltzmann Constant
A physical constant denoting the constant of proportionality in the Stefan-Boltzmann law.
Wien Wavelength Displacement Law Constant
Constant in Wien's displacement law.
A comprehensive and searchable database of fundamental physics constants (Universal, Electromagnetic, Atomic) for students and researchers.
How to Use This Physics Constant Finder
- 1Use the search bar to find a specific constant by name, symbol, or description.
- 2Filter by category (Universal, Electromagnetic, Atomic, etc.) to narrow down results.
- 3Click the copy icon to copy the value to your clipboard.
- 4Use the values in your calculations or reference materials.
Features
- ✓🌌 Extensive database of Universal, Electromagnetic, and Atomic constants
- ✓⚡ Instant real-time search by name or symbol
- ✓🏷️ Category filtering for easy browsing
- ✓📋 One-click copy for values
- ✓📱 Responsive Premium Neon design
What is the Physics Constant Finder?
The Physics Constant Finder is a specialized digital reference guide for physicists and students. It provides precise, up-to-date values for fundamental constants like the Speed of Light, Planck Constant, and Vacuum Permittivity, organized by category for quick access.
