What is the energy equivalent of an object with a mass of 1.05 g?

The equivalent energy of an object given its mass is calculated through the equation,

E = mc²

where c is the speed of light (3 x 10^8 m/s)

Substituting the known values,

E = (1.05 g / 1000) (3 x 10^8 m/s) ²

E = 9.45x10^13 J