[Norm357]

How many grains is an ounce/pound?

[Car Knocker]

7,000 grs = 1 pound

[R.H. Lee]

Avoirdupois Units of Mass

[The "grain" is the same in avoirdupois, troy, and apothecaries units of mass.]

27-11/32 grains = 1 dram (dr)
16 drams = 1 ounce (oz)
= 437-1/2 grains
16 ounces = 1 pound (lb)
= 256 drams
= 7000 grains
100 pounds = 1 hundredweight (cwt)7
20 hundredweights = 1 ton
= 2000 pounds7

[P95Carry]

Some useful weights and measures links ...

University of California - Berkley (http://chemistry.berkeley.edu/links/weights/equivalences.html)

Convert Me - interactive (http://www.convert-me.com/en/)

English Weights & Measures (http://home.clara.net/brianp/)

[rbwillnj]

There is some really practical information at this link;

http://www.darkcanyon.net/referenceinformation.html

[Norm357]

Thanks everyone!