Mu Symbol

Μ μ

The mu symbol (Μ / μ) is a letter of the Greek alphabet. This page covers its meaning across mathematics, science, and engineering, its Unicode code point, TeX command, and Windows Alt codes — and you can copy and paste the mu symbol with one click.

Uppercase Mu Symbol (Μ)

Symbol	Format	Data
Μ	Unicode	U+039C
Μ	HTML	Μ
Μ	CSS	\039c
Μ	JavaScript	\u039C
$\text{M}$	TeX	\Mu
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	Image	Download ↓

Also known as: mu, uppercase mu, big mu, greek mu, greek m, m greek letter, greek letter m.

The Greek capital letter Mu (Μ) has the same shape as the Latin capital M and is therefore rarely assigned an independent meaning in mathematics. It may occasionally label a matrix or set when authors are working within a Greek naming scheme. The lowercase mu is used extensively for means in statistics, measures in analysis, and the prefix micro- in units.

\Mu = M

Lowercase Mu Symbol (μ)

Symbol	Format	Data
μ	Unicode	U+03BC
μ	HTML	μ
μ	CSS	\03bc
μ	JavaScript	\u03BC
$\mu$	TeX	\mu
	SVG	Download ↓
	Image	Download ↓

Also known as: greek mu, mu letter, micro symbol, mean symbol, mu variable, friction coefficient symbol, greek letter m, population mean.

The Greek small letter mu μ is a frequently used variable across mathematics and the sciences. In statistics it denotes the mean of a distribution, in measure theory a measure, and in physics quantities such as permeability and the coefficient of friction. It also serves as the SI prefix for micro, one millionth.

\mu = \frac{1}{n} \sum_{i=1}^{n} x_i

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Mu Symbol — Μ Greek Capital Letter Mu, μ Greek Small Letter Mu