Symbols:M
milli-
- $\mathrm m$
The Système Internationale d'Unités symbol for the metric scaling prefix milli, denoting $10^{\, -3 }$, is $\mathrm { m }$.
Its $\LaTeX$ code is \mathrm {m} .
Metre
- $\mathrm m$
The symbol for the metre is $\mathrm m$.
Its $\LaTeX$ code is \mathrm m .
mega-
- $\mathrm M$
The Système Internationale d'Unités symbol for the metric scaling prefix mega, denoting $10^{\, 6 }$, is $\mathrm { M }$.
Its $\LaTeX$ code is \mathrm {M} .
Roman Numeral
- $\mathrm M$ or $\mathrm m$
The Roman numeral for $1000$.
Its $\LaTeX$ code is \mathrm M or \mathrm m.
Millimetre
- $\mathrm {mm}$
The symbol for the millimetre is $\mathrm {mm}$:
Its $\LaTeX$ code is \mathrm {mm} .
Mach Number
- $M$ or $Ma$
The symbol for the Mach number of a body is $M$ or $Ma$.
Its $\LaTeX$ code is M or Ma.
Mass
- $m$
The usual symbol used to denote the mass of a body is $m$.
Its $\LaTeX$ code is m .
Mole
- $\mathrm {mol}$
The symbol for the mole is $\mathrm {mol}$.
Its $\LaTeX$ code is \mathrm {mol} .