RE: SI unit prefixes

["Morgan, Ben" <ben.morgan@cplc.com>]

Let's not forget these:

Y yotta 1E+24
Z zetta 1E+21
z zepto 1E-21
y yocto 1E-24

A complete list is in Table 2.4 of the Health Physics and Radiological
Health Handbook, Revised Edition, 1992.

Regards, 

Ben

ben.morgan@cplc.com


>----------
>From: 	Lamothe, Emelie[SMTP:lamothee@AECL.CA]
>Sent: 	Friday, July 17, 1998 14:25
>To: 	Multiple recipients of list
>Subject: 	SI unit prefixes
>
>SI units are as follows:
>
>       E exa     1E+18
>       P peta    1E+15
>       T tera     1E+12
>        G giga    1E+09
>        M mega  1E+06
>        k kilo      1E+03
>        h hecto   1E+02
>        deca       1E+01 (no symbol or abbreviation)
>        d deci      1E-01
>        c  centi    1E-02
>        m milli      1E-03
>        m  micro    1E-06
>        n  nano     1E-09
>        p  pico      1E-12
>
>        As mention, deca is not abbreviated.  Hecto and deca are seldomly
>used (read extremely rarely).  Giga is pronounced with a hard "G" as in go,
>good and guy.
>
>        Emelie Lamothe
>        lamothee@aecl.ca
> 
>
>> ----------
>> From: 	Bob Giansiracusa[SMTP:bobgian@radonc.washington.edu]
>> Sent: 	Friday, July 17, 1998 2:16 PM
>> To: 	Multiple recipients of list
>> Subject: 	Re: SI unit prefixes
>> 
>> > The SI unit prefixes are as follows:
>> > 
>> > > E exa     1E+18
>> > > P peta    1E+15
>> > > T tera     1E+12
>> > 	G giga    1E+09
>> > ....
>> 
>> How is "giga" pronounced?  Hard or soft "G"?
>> 
>>  - Bob Giansiracusa
>>    Radiation Oncology Dept, U of Washington Med Center.
>> 
>