title: Puncheon (unit)
text: # Puncheon (unit)
  
  The puncheon was a British unit for beer, wines and spirits. It was also an American unit of capacity for wine.
  
  ## Definition
  
  Historically, the puncheon has been defined somewhere between 70 and 120 imperial gallons (318 and 546 litres; 84.1 and 144 US gallons).
  
  ### US unit of capacity for wine
  
  The US puncheon for wine is defined as 84 US gallons (318 litres).
  
  ## Conversion
  
  * 1 puncheon = 70-120 gallons
  * 1 puncheon = 0.318-0.546 $m^3$ or 318 to 546 litres.
  
  ### US unit of capacity for wine
  
  * 1 puncheon = 4/3 Hogshead
  * 1 puncheon = 84 gallons
  * 1 puncheon = 0.317974589856 $m^3$ or about 318 litres.
  