1 euro coin vs AA battery: size comparison
1 euro coin: 2.33 cm. AA battery: 5.05 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×2.2
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
AA battery
5.05 cm
What is measured Height of an AA battery (LR6)
The AA format has been standardised since 1947.
Source : Wikipedia — AA battery