One eighth is a fraction that represents one part of a whole that is divided into eight equal parts. In mathematical terms, it is written as \frac18 . This fraction can be used in various contexts, such as cooking, where a recipe might call for one eighth of a cup of an ingredient. In decimal form, one eighth is equivalent to 0.125. It is also related to percentages, where one eighth is 12.5%. Understanding fractions like one eighth is essential in everyday situations, such as measuring ingredients or dividing items among people.