Enter the energy and the frequency into the Calculator. The calculator will evaluate the Planck’s Constant. 

Planck’s Constant Formula

h = E / f

Variables:

  • h is the Planck’s Constant (J-s)
  • E (J) is the energy
  • f (hz) is the frequency

To calculate Planck’s Constant, divide the energy by the frequency.

How to Calculate Planck’s Constant?

The following steps outline how to calculate the Planck’s Constant.


  1. First, determine the energy. 
  2. Next, determine the frequency. 
  3. Next, gather the formula from above = h = E / f.
  4. Finally, calculate the Planck’s Constant.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

energy = 12

frequency = 2314

Frequently Asked Questions (FAQ)

What is Planck’s Constant used for in physics?

Planck’s Constant is a fundamental constant used to describe the sizes of quanta in quantum mechanics. It plays a crucial role in the quantum theory of electromagnetism, the photoelectric effect, and black body radiation, among other phenomena.

How does the value of Planck’s Constant impact the physical world?

The value of Planck’s Constant determines the scale at which quantum effects become significant. If it were significantly larger, everyday movements might involve noticeable quantum effects, while if it were smaller, quantum mechanics might only be observable at much smaller scales.

Can Planck’s Constant change over time?

Current scientific consensus holds that Planck’s Constant is a fixed quantity and does not change over time. However, ongoing research in the constants of nature continues to test this and other fundamental assumptions.

Why is Planck’s Constant considered a fundamental constant?

Planck’s Constant is considered fundamental because it appears in the smallest action units in quantum mechanics, linking the amount of energy a photon carries with the frequency of its electromagnetic wave. Its universality and constant value make it a cornerstone of quantum physics.