HP TextEngineer Technical Writing Guide Instrukcja Użytkownika Pobierz pdf (Strona 27)

Company Writer's Guide

[For Illustration Only] B-12

Symbols for Units in General Use (Cont’d)

Unit Symbol Notes

metric ton t

1 t = 1,000 kg. The name tonne is used in some

countries for this unit, but use of this name in the

USA is deprecated (see ANSI Z210.1-1976).

mho mho Formerly used as the name of the siemens (S).

micro

SI prefix for 10

-6

microampere μA

microfarad μF

microgram μg

microhenry μH

microinch μin

microliter μL See note for liter.

micrometer μm

micron μm Deprecated. Use micrometer.

microsecond μs

microwatt μW

mil mil 1 mil = 0.001 in.

mile (statute) mi 1 mi = 5280 ft

mile per hour mi/h

Although use of mph as an abbreviation is

common, it should not be used as a symbol.

milli m SI prefix for 10

-3

milliampere mA

millibar mbar

Use of the bar is strongly discouraged in ANSI

Z210.1, except for limited use in meteorology.

milligram mg

millihenry mH

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HP TextEngineer Technical Writing Guide Instrukcja Użytkownika Strona 27