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#1
03-20-2006, 07:37 AM
 Displayhawk Guest Posts: n/a
Pounds vs. Lbs.???

A friend of mine has a very inquisitive 8-year old daughter, and she asked why the abreviation for pounds is Lbs. and not Pds???
Can anybody help me out here???
#2
03-20-2006, 08:22 AM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,467 Rep Power: 13
Re: Pounds vs. Lbs.???

lb is short for libra, which is the latin word for the Roman version of the pound.

The symbol pd is used for per diem, a unit of frequency meaning once per day.
#3
03-21-2006, 05:12 AM
 Unregistered Guest Posts: n/a
Re: Pounds vs. Lbs.???

Thanks for the definition. Although, I think my co-worker is reluctant to tell his daughter that. He is afraid that there will be a lot more questions! LOL
Thanks again!
#4
08-10-2006, 08:48 AM
 mariod49 Guest Posts: n/a
Re: Pounds vs. Lbs.???

By international convention, lb is a unit of measure and thus does not have a plural. So stricly speaking it is incorrect to write 10 lbs; it should be 10 lb without the 's'. This rule applies to all units of measure as, for example, gram whose symbol is 'g'; you wouldn't write 'gs' for grams.
#5
02-08-2007, 03:50 PM
 Unregistered Guest Posts: n/a
Re: Pounds vs. Lbs.???

Quote:
 Originally Posted by Displayhawk A friend of mine has a very inquisitive 8-year old daughter, and she asked why the abreviation for pounds is Lbs. and not Pds??? Can anybody help me out here???
I dont know either thats what i am looking for but i cant find it
#6
02-08-2007, 11:37 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,467 Rep Power: 13
Re: Pounds vs. Lbs.???

Quote:
 Originally Posted by Unregistered I dont know either thats what i am looking for but i cant find it
lb is short for libra, which is the latin word for the Roman version of the pound.
#7
03-06-2007, 03:07 PM
 Unregistered Guest Posts: n/a
Re: Pounds vs. Lbs.???

Quote:
 Originally Posted by Displayhawk A friend of mine has a very inquisitive 8-year old daughter, and she asked why the abreviation for pounds is Lbs. and not Pds??? Can anybody help me out here???
i know why: the greek word limbs was used for pounds a long time ago. they kept the abbriveation, but changed limbs to pounds. i don't know why!
#8
03-21-2007, 03:54 PM
 Unregistered Guest Posts: n/a
Re: Pounds vs. Lbs.???

The word “pound” comes from the Latin word pendere, meaning “to weigh”. The Latin word libra means “scales, balances" and it also describes a Roman unit of mass similar to a pound. This is the origin of the abbreviation “lb” for the pound. The “s” at the end of “lbs” simply denotes the plural form.
#9
06-15-2007, 07:10 AM
 Unregistered Guest Posts: n/a
Re: Pounds vs. Lbs.???

Oy. Thanks to those whose answers seem to have fallen on deaf ears...
(PS As already stated, lbs. is incorrect, although it has been gaining acceptance in the world of sloppy usage...)
#10
09-27-2007, 12:13 PM
Re: Pounds vs. Lbs.???

hi im doing a report on lb. and pounds i think the word comes from the latin word libra which is also the name of a costilation . the constilation is af a scale .( my teacher sad this is to complicated for me since im only in 6th grade.)

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