3.8 centimeters is equivalent to 1.5 inches.
Some comparisons to known objects of similar size are:
– The length of the eraser on a standard pencil is approximately 1.5 inches.
– The diameter of a golf ball is also about 1.5 inches.
– The width of an average human thumb is approximately 1.5 inches.
– The length of a postage stamp is slightly less than 1.5 inches.
– The height of a standard credit card is roughly 3.375 inches, which is about twice the length of 3.8 centimeters.
– The width of a smartphone screen is usually around 2.5 inches, making 3.8 centimeters just over half the width.