Examples for

# 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.

### Constants

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

#### Get the value of a physical constant:

#### Specify a constant by symbol:

### Calculations with Constants

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