Noun
A silver coin among the ancient Greeks, having a different value in different States and at different periods. The average value of the Attic drachma is computed to have been about 19 cents.
A gold and silver coin of modern Greece worth 19.3 cents.
Among the ancient Greeks, a weight of about 66.5 grains; among the modern Greeks, a weight equal to a gram.
Source: Webster's dictionaryGreece's history in the drachma was an up-and-down history, a roller coaster. George Papandreou
Denominations of Ancient Greek drachma The weight of the silver drachma was approximately 4.3 grams or 0.15 ounces, British Museum Catalogue 11 – Attica Megaris Aegina although weights varied significantly from one city-state to another. Source: Internet
And yes, there is a cubit conversion chart on line for converting that and other really old units of measurement no longer in use like the mina, drachma or the synodic month. Source: Internet
Fears about the euro flared up again in 2015 as the left-wing Syriza party took control of Greece amid rumblings about a return to the drachma. Source: Internet
Greece, is bound to the euro and will have to convert to the drachma in order to take control over its finances, currency rate and monetary and investment policy tools. Source: Internet
However, in 2001 the euro only existed electronically, so the physical exchange from drachma to euro only took place on 1 January 2002. Source: Internet