Chopin (unit)

The chopin was a Scottish measurement of volume, usually fluid, that was in use from at least 1661, though possibly 15th century, until the mid 19th century.^[1] The measurement was derived from the French measure chopine an old and widespread unit of liquid capacity, first recorded in 13th century. A chopin is equivalent to 0.848 litres.

• 1 chopin is 8 gills
• 1 chopin is 2 mutchkins
• 2 chopins is the equivalent of 1 (Scots) pint (or joug)
• 16 chopins is the equivalent of 1 (Scots) gallon

D. Knuth ^[2] cites other equivavelences :

• 1 chopin is 2 gills
• 2 chopins are 1 pint

References

1. ^ *Alexander Huntar, burges of Edinburgh (1624). A treatise, of vveights, mets and measures of Scotland. With their quantities, and true foundation, and sundrie profitable observations, arising vpon everie one of them. Together with the art of metting, measuring & compting all sort of land with diverse tables.. ISBN 90-221-0671-3. 
2. ^ *Donald Knuth (1981). The Art of Computer Programming, Volume 2, 2nd ed., xiii+ 688pp. ISBN 0-201-03822-6. 

See also

• Obsolete Scottish units of measurement