Convert firkin (U.K. beer) to cubic femtometer
Selected category: volume.
Definition and details for firkin (U.K. beer):
Firkin is a traditional unit of liquid volume equal to 1/4 barrel. U.K. beer firkin (after 1824) is equal to 9 imperial gallons or about 40.91 liters.
Definition and details for cubic femtometer:
Cubic femtometer (fm3) is a unit of volume equal to 10-45 m3. For example the classical volume of an electron is about 94 fm3.