1 euro coin vs Hen's egg: size comparison
1 euro coin: 2.33 cm. Hen's egg: 5.7 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×2.5
1 euro coin
2.33 cm
What is measured Diameter of a 1 euro coin
It weighs 7.5 g and is 2.33 mm thick.
Source : Wikipedia — 1 euro coin
Hen's egg
5.7 cm
What is measured Height of a medium hen's egg
The shell makes up about 10% of the egg's weight.
Source : Wikipedia — Egg as food