# Symbols:M

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### 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 $\mathrm {mm}$:

$\mathrm m$ for milli
$\mathrm m$ for metre.

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 .

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