The dozen to each conversion represents a mathematical relationship between the dozen and the unit of measurement 'each'. A dozen is a unit of measurement equal to 12, while an 'each' is a unit of measurement equal to one item or unit of a particular quantity. The conversion from a dozen to each is a simple division by 12, as there are 12 items in a dozen. This conversion is commonly used in various contexts, including cooking, where a dozen eggs might be divided into individual servings, and in science, where the conversion is used to calculate quantities of substances in laboratory settings.