Also see the article :  Greek drachma. Drachma can also refer to a fictional country in the anime Fullmetal Alchemist. ...

The dram (American spelling) or drachm (British spelling) was historically both a coin and a weight. A coin is usually a piece of hard material, generally metal and usually in the shape of a disc, which is issued by a government to be used as a form of money. ... In the physical sciences, weight is a measurement of the gravitational force acting on an object. ...

Currently drachm or dram is both

• a small mass in the system of weights avoirdupois and
• a small unit of volume. This unit is called more correctly fluid dram or in contraction also fluidram.

Unsolved problems in physics: What causes anything to have mass? Mass is a property of a physical object that quantifies the amount of matter and energy it is equivalent to. ... In the physical sciences, weight is a measurement of the gravitational force acting on an object. ... The avoirdupois system is a system of weights defining terms such as pound and ounce. ... The Imperial units or the Imperial system is a collection of English units, first defined in the Weights and Measures Act of 1824, later refined (until 1959) and reduced. ... Volume is a quantification of how much space a certain region occupies. ...

Drachm (mass)

Ancient masses

• The Greek drachm was a weight of 1/100 Greek mine, which is about 4.37 grams.
• The Roman drachm was a weight of 1/96 Roman pounds, which is about 3.41 grams.

Greek and Roman drachm were related by the ratio 25 : 32. The factual accuracy of this article is disputed. ... A mina is an ancient Greek unit of weight defined as being 50 shekels. ... The ancient Roman units of measurement were built on the Greek system with Egyptian influences. ... BIC pen cap, about 1 gram. ...

Masses in the English-speaking world

The dram is the mass of 1/256 pound avoirdupois and 1/16 ounce. So the dram weighs 875 / 32 grains. The pound is the name of a number of units of mass, all in the range of 300 to 600 grams. ... The ounce is the name for a number of different units of mass (oz), and also of two units of fluid volume (fl oz) and of one unit of force, the ounce-force (ozf). ... A grain is a unit of mass equal to 0. ...

• 7  x  64.80000 / 256  =  1.771 875 000 000 0 gram :  This is the conventional, however not the official value of the mass called dram.
• 7  x  64.79891 / 256  =  1.771 845 195 312 5 gram :  This is the legal value, exactly 99.9983179012345679 % of the value above.

The dram (symbol: ʒ) was also the mass of 1/96 pound (℔) or 1/8 ounce (℥) in the apothecaries' system that survived until the middle of the 20th century in English-speaking countries. It was equal to 3 scruples (℈) or 60 grains (G). Thus, it was equal to 3.888 grams (in the SI). Ezh (capital , lowercase ) is a character in the International Phonetic Alphabet (IPA), representing the voiced postalveolar fricative. ... The pound is the name of a number of units of mass, all in the range of 300 to 600 grams. ... The ounce is the name for a number of different units of mass (oz), and also of two units of fluid volume (fl oz) and of one unit of force, the ounce-force (ozf). ... The apothecaries system of mass is an obsolete system formerly used by apothecaries (now called pharmacists or chemists) in English-speaking countries. ... The apothecaries system of mass is an obsolete system formerly used by apothecaries (now called pharmacists or chemists) in English-speaking countries. ... A grain is a unit of mass equal to 0. ... BIC pen cap, about 1 gram. ... Cover of brochure The International System of Units. ...

Drachm (volume)

The fluid dram is defined as 1/8 of a fluid ounce, which means it is exactly equal to A fluid ounce is a unit of volume in both the Imperial system of units and the U.S. customary units system. ...

• 3.696 691 195 312 5 mL in the U.S. and
• 3.551 632 812 500 0 mL in most other Anglo-Saxon countries.

Dram is also used informally to mean a small amount of liquid, especially Scotch whisky. The millilitre (ml or mL, also spelt milliliter) is a metric unit of volume that is equal to one thousandth of a litre. ... A liquid will usually assume the shape of its container. ... A bottle of Royal Brackla Single Malt Scotch whisky is whisky made in Scotland. ...

See also

Look up dram in
Wiktionary, the free dictionary.

• Avoirdupois
• Imperial unit
• U.S. customary units
• Apothecaries' system