Convert from quartern-loaf to drachme

Unit Definition (quartern-loaf)
The quartern-loaf is a traditional English unit of weight for bread. A quartern-loaf is made from a quartern of flour. The finished loaf usually weighs somewhere between 4 and 5 pounds (very roughly 2 kilograms).

Unit Definition (drachme)
The drachme is a traditional unit of weight in France and Germany, generally between 3.7 and 3.9 grams.