10.03 centimeters is equivalent to 3.95 inches.
To put this in perspective, a standard US dollar bill is about 6.14 inches long, so 10.03 centimeters is roughly 64% of the length of a dollar bill.
The average pencil is about 6 inches long, so 10.03 centimeters is slightly shorter than a standard pencil.
A small apple typically measures about 7.1 centimeters in diameter, so 10.03 centimeters is longer than the width of an apple.