Square Centimeter
A square centimeter is a unit of area equal to the area of a square with sides one centimeter long, or 100 square millimeters. It is commonly used for measuring skin area in medicine, fabric pieces, and small surface areas.
History
The square centimeter was part of the CGS system of measurement. It is widely used in dermatology for measuring lesion sizes, in textile manufacturing, and in everyday measurements of small areas.