E=mc2 in six lines.
Take the weight of an object, you then have its mass (m).
Take the speed of light 299,792 kilometers per second or (c), multiply it by the speed of light 299,792 kilometers per second, (c). This gives you (c2). 89875243264 kilometers per second. Take the mass (m) and multiply it by (c2) this gives you the amount of energy in a given object (E). E=mc2