Dram, unit of weight in the apothecaries and avoirdupois systems. The avoirdupois dram contains 27.344 grains (1.772 grams) and is equal to one-sixteenth avoirdupois ounce of 437 1/2 grains. The term also refers to the fluid dram, a measure of capacity equal to one-eighth fluid ounce.

Subsequently, question is, is a DRAM the same as a shot? At our bar a shot is an ounce and a half and a dram is 2 ounces or our biggest shot glass filled to the tippy top. A fluid dram is 3.70ml US or 3.55ml Imperial, not 43ml.

Similarly, you may ask, what is a DRAM in pharmacy?

dram - a unit of apothecary weight equal to an eighth of an ounce or to 60 grains. drachm, drachma. apothecaries unit, apothecaries weight - any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces.

Why is it called a dram?

And its in Scotland that the word dram was first used to describe a glass of whisky. It isnt an official measurement; a dram is most often referred to as “any amount of whisky that you could swallow in one mouthful.” The word originates from the ancient Greek word drakhme, used in reference to coins.