Company Writer's Guide

Symbols for Units in General Use (Cont’d)

Unit

Symbol

Notes

 

 

 

centipoise

cP

1 cP = 1 mPa • s. The name is deprecated (see

 

 

ANSI Z210.1-1976).

 

 

 

centistokes

cSt

1 cst = 1 mm2/s. The name centistokes is

 

 

deprecated (see ANSI Z210.1-1976).

 

 

 

circular mil

cmil

1 cmil = (Π/4) • 10-6in2

 

 

 

coulomb

C

SI unit of electric charge.

 

 

 

cubic centimeter

cm3

 

 

 

 

cubic foot

ft3

 

 

 

 

cubic foot per minute

ft3/min

 

 

 

 

cubic foot per second

ft3/s

 

 

 

 

cubic inch

in3

 

 

 

 

cubic meter

m3

 

 

 

 

cubic meter per second

m3/s

 

 

 

 

cubic yard

yd3

 

 

 

 

curie

Ci

A unit of activity of radionuclide. Use of the

 

 

SI unit, the becquerel, is preferred, 1 Ci = 3.7 x

 

 

1010 Bq.

 

 

 

cycle

c

 

 

 

 

cycle per second

Hz, c/s

See hertz. The name hertz is internationally

 

 

accepted for this unit; the symbol Hz is preferred

 

 

to c/s.

 

 

 

[For Illustration Only]

B-6