Six centimeters is approximately 2.36 inches. There are 2.54 centimeters in 1 inch, so the conversion from centimeters to inches is done by dividing the number of centimeters by 2.54 to get the number of inches. Conversely, the conversion from inches to centimeters is performed by multiplying by 2.54.
Both centimeters and inches are units for the measure of an object's length. Centimeter is part of the metric units, and inches is a standard unit. Whether the value is preferred in centimeters or inches depends largely on the context. In mathematics, these units are used almost interchangeably, and conversions are often the subject of math problems. In science, metric units are preferred over standard units.