# What is the Planck constant?

##### 1 Answer
Jul 26, 2015

Planck's constant is a fundamental constant introduced by Max Planck in 1900-01 in an equation we call Planck's Law.
It also appears in several other equations.

It is denoted by $h$, and its value is $h = 6.626 X {10}^{- 34} {m}^{2} K g {s}^{- 1}$