Fundamental Physics Constants Reference Table
Accessing accurate, standardized physical constants is mandatory for any physics calculation. From the Speed of Light to the Planck Constant, having these numbers committed to a fast, reliable database removes the friction from solving computational fluid dynamics, quantum mechanics, and electrodynamics problems.
This Physics Constants Reference offers a fully searchable, category-filtered database of universally accepted SI values. Best of all? It features a click-to-copy function, allowing you to instantly grab numeric values in scientific notation straight to your clipboard for your scripts or spreadsheet models.
| Symbol | Name | Value (Click to copy) | Unit |
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Why are Physics Constants Important?
Physical constants define the structure of our universe. In 2019, the SI base units were completely redefined using exact numerical values of 7 defining constants (like the Planck constant h and the speed of light c). Because they are universally invariant, utilizing precise constant values guarantees computational integrity across diverse fields ranging from semiconductor manufacturing to astrophysics.