Discover the Mu Symbol μ character. Find its Unicode, HTML representation, and learn how to easily copy and paste it into your documents. Learn about the history, usage, and meaning of the Greek letter mu (& Mu ; & mu ;), the 12th letter of the alphabet. Find out how to type, copy, and paste mu symbol in various formats and contexts. Mu (uppercase/lowercase Μ μ) is a letter of the Greek alphabet used to represent the "m" sound in Ancient and Modern Greek. In the system of Greek numerals, it has a value of 40. The Greek letter μ (mu) is used in statistics to represent the population mean of a distribution.
