about a centimeter.
You've given the carat weight of a diamond. 'Big', then, is based on the cut of the stone.
It is 4 inches big?
usually about 1 centimeter
No, 1mm = 0.1cm
about a centimeter long
there are 10 millameters in a centimeter
How big is a 3.6 cm cysts
I centimeter is 0.40 inches. Less than half of an inch.
Kilometers are almost as big as miles one centimeter is as long as a fingernail