1 euro coin vs Golf ball: size comparison
1 euro coin: 2.33 cm. Golf ball: 4.27 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.8
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
Golf ball
4.27 cm
What is measured Minimum regulation diameter of a golf ball
Its dimples cut drag and nearly double the flight distance.
Source : Wikipedia — Golf ball