Physical Constants

Fundamental physical constants are physical quantities that are universal in nature and have constant values in time. Wolfram|Alpha provides definitions, values and other details for a wide range of physical constants, such as the Newtonian gravitational, Boltzmann and magnetic constants.


Find information about physical constants, including their values, dimensionality and definitions.

get the value of a physical constant

specify a constant by symbol

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Calculations with Constants

Calculate the value of combinations of physical constants and other quantities.

do computations involving constants

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