9.7 centimeters is equal to 3.818 inches.
This can be compared to the size of a standard AA battery (3.5 cm or 1.38 inches), the length of a credit card (8.6 cm or 3.39 inches), or the width of a smartphone (6.7 cm or 2.64 inches).
Additionally, 9.7 centimeters is slightly larger than the average diameter of a golf ball (4.267 cm or 1.68 inches) and slightly smaller than the diameter of a baseball (7.22 cm or 2.85 inches).