Dram (unit)
A dram is a unit of mass, called a trade weight. It is mainly used in England and North America.
There are two distinct units with the designation
- Dram ( avoirdupois ): the actual Dram ( unit symbol: . Av dr or dr. )
- Dram ( Apothecary; troy ), also called Drachm: (. .. Unity characters: dr ap or dr tr )
- 2.1 conversions
Dram ( avoirdupois )
The dram ( avoirdupois ) is a non- SI -conforming unit of mass. The bracketed part of the name indicates membership in the avoirdupois system (English: avoirdupois [ weight]; Old French: aveir de pois = "goods of weight " ) on.
The dram ( avoirdupois ) is a trading pound.
Conversions
1 dr. av = 1 dr. = 27.34375 gr g = 1.7718451953125 1 lb. = 16 oz. = 256 dr. = 7000 gr
Dram ( Apothecary ) / Dram ( troy )
Dram ( Apothecary ) and dram ( troy ) denote a non- SI -conforming unit of mass. Both are alternatively as Drachm (also: drachma ) refers. They are mainly the Netherlands and the United States used in England.
Dram ( troy ) is Troygewichtssystem (English: troy weight ) 60 times of Grains:
The name comes from the French city of Troyes.
The Dram ( troy ) finds use as a weight for precious metals, Medizinalrezepturen and scientific terms. Hence the alternative name Dram ( Apothecary ), part of the Apothecaries system ( by the pharmacist, lat - mlat. Apothecary ).
Conversions
1 dr. ap. = 1 dr. tr = 3 s ap. = 60 gr = 3.8879346 g 1 lb. ap. = 12 oz. Ap. = 96 dr. ap. = 288 s ap. = 5760 gr
Dram as unit volume
The liquid Dram is defined as 1 /8 of a fluid ounce. This is exactly:
- 3.696 691 195 312 5 ml in the United States of America and
- 3,551 632 812 500 0 ml in the Commonwealth and Ireland.
In the UK, a teaspoon with 3/2 fluid drams was defined earlier.
Dram is also used as a unit for powder charges of shotgun ammunition.
Dram is colloquially (a small drink ) is also used in the sense of swallowing, particularly in connection with Scotch whiskey. It should be noted that this " dram " works well as 10 regular liquid Drams may be large.
Comparison of Dram and Drachm
384 dr. av = 384 dr. = 175 dr. ap. = 175 dr. tr = 1.5 lb.