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 impgal.

US unit of capacity for wine

The US puncheon for wine is defined as 84 usgal.

Conversion

*1 puncheon = 70-120 gallons
*1 puncheon = 0.318-0.546 m³ or 318 to 546 litres.

US unit of capacity for wine

*1 puncheon = 4/3 Hogshead
*1 puncheon =