Note that to convert any of these energy quanitities into another in the real world would require perfect efficiency of conversion. Thermodyanmics will not allow this.
Energy contained in
grams of butter.
Energy needed to boil
litres of water from room temperature.
Kinetic energy of
Volkswagen Beetles dropped from 2 meters.
Energy capacity of
Macbook Air batteries
Nutritional energy of
2000 Calorie recommended daily food intakes.
Energy of
grams of Uranium-235 undergoing nuclear fission.
Energy output of a strong amateur cyclist pedaling for