Definition:Planck's Constant

Definition
Planck's constant is the physical constant $h$ whose value is defined as:


 * $h = 6 \cdotp 62607 \, 015 \times 10^{-34} \, \mathrm J \, \mathrm s$

where the units $\mathrm J \, \mathrm s$ are joule seconds.

Physical quantities with the same dimension include angular momentum and action.

Also known as
Planck's constant is also seen referred to as the Planck constant.

Also see

 * Definition:Planck's Reduced Constant