Enter the total change in mass and the speed of light (m/s) into the Separation Energy Calculator. The calculator will evaluate the Separation Energy.

## Separation Energy Formula

The following two example problems outline the steps and information needed to calculate the Separation Energy.

**SE = dM * c^2**

Variables:

- SE is the Separation Energy
- dM is the total change in mass
- c is the speed of light (m/s)

## How to Calculate Separation Energy?

The following steps outline how to calculate the Separation Energy.

- First, determine the total change in mass.
- Next, determine the speed of light (m/s).
- Next, gather the formula from above = SE = dM * c^2.
- Finally, calculate the Separation Energy.
- 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.

total change in mass = 3.25

speed of light (m/s) = 299792458

SE = dM * c^2** **= ?