About the Units
Imperial gallon (gal (UK))
The British imperial gallon, larger than the US gallon.
Learn more about Imperial gallons
cubic femtometer (fm³)
An extremely tiny volume unit used in particle physics.
Common Conversions
- 1 gal (UK) = 3.4028237e38 fm³
- 3.08e-43 gal (UK) = 1 fm³