1892.7 ml
3,785,411.78 cubic millimeters in one US gallon.
1 US gallon equates to 3,785,411.78 cubic millimeters.
A millimetre is a unit of length. A gallon is a unit of capacity. The two units are therefore incompatible.
5mm per liter = 18.96mm per US gallon.
there are eight half-pints in a half-gallon
gallon half gallon quart pint
There are 2 quarts in half a gallon.
There are 12.7 millimeters in half an inch.
One liter is closer to half of a gallon than a gallon.
16 half pints16 half pints
One half gallon is enough to fill one half gallon.
1/2 US gallon is two quarts.