μ GREEK SMALL LETTER MU
U+03BC
μ
ℹ️ About
The Greek Small Letter Mu (μ) is a fundamental character in science and engineering. It primarily serves as the SI prefix “micro-” ($10^{-6}$) and represents dynamic viscosity, the coefficient of friction, and permeability in electromagnetism.
⚠️ Note: Do not confuse with µ (Micro Sign, U+00B5), which is visually identical but a distinct codepoint.
⚡ Codes
HTML
μ
CSS
\03BC
Python
\u03BC
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