title: Flask (unit)
text: # Flask (unit)
  
  Flask is a British unit of mass or weight in the avoirdupois system, used to measure mercury. It is defined as 76 pounds (34 kg). Near room temperature, a flask of mercury occupies a volume of approximately 2.5451 litres (86.060 US fl oz; 89.575 imp fl oz).
  
  ## Conversion
  
  1 flask (mercury) ≡ 76 lb
  
  1 flask (mercury) ≡ 34.47302012 kg
  
  