Barrel (UK) [bbl (UK)]
The UK barrel (bbl) is a unit of volume historically used in the United Kingdom, especially for measuring liquids like petroleum and beer.
For oil, the UK barrel was typically 35 imperial gallons, which is approximately 159.1 liters, very close to the US oil barrel volume.
Summary:
1 UK barrel (oil) โ 35 imperial gallons โ 159.1 liters
Historically used in the UK for oil and other liquids
Similar in size to the US oil barrel but based on imperial gallons