About the Units
Imperial gallon (gal (UK))
The British imperial gallon, larger than the US gallon.
Learn more about Imperial gallons
cubic millimeter (mm³)
A tiny volume unit equal to 1/1,000,000,000 cubic meter, used in microscopic measurements.
Common Conversions
- 1 gal (UK) = 4546089.0 mm³
- 2.199693e-7 gal (UK) = 1 mm³