Joules to Kg Calculator

Calculate Mass from Energy (m)

Formula

The formula to calculate the mass from energy (m) is:

\[ m = \frac{E}{c^2} \]

Where:

Definition

Example

Let's say the energy (E) is \( 9 \times 10^{16} \) J. Using the formula:

\[ m = \frac{9 \times 10^{16}}{(3 \times 10^8)^2} = 1 \]

So, the mass (m) is 1 kg.