Love will set us free as long as we believe. The best is yet to come. Show me your smile, I'll fill it with laughter. That will light your mind as long as we believe. The best is yet to come. Give me the sun and I'll give you moonlight.
You might be looking at different units. 1 large egg contains 78 calories (per egg) of which 55 are in the yolk. But 100 grams of egg yolk contains 322 calories. As to eggs and health - certainly egg yolks contain nearly all the fat in an egg. However, that does not mean you should not eat whole eggs. First, 78 calories is not that much.
So how many calories in a hard boiled egg? As you can see from the table, there are about 1.5 calories per gram of hard boiled egg. A large hard-boiled egg for example has approximately 74 calories in it (give or take a few calories). These calories come from a combination of the calories in the egg yolk and the calories in the egg white. The egg yolk contains most of the calories however, and the egg white contains the majority of the protein. Approximately 70% of the calories in a hard boiled egg comes from the egg yolk.