A U.S. fluid gallon is 3.785411784 liters or 3785.411784 ml
http://en.wikipedia.org/wiki/Conversion_of_units#Volume
There are 3,785 mls in one gallon.
That is 3,628.739 mls.
1 US gallon is 3785.41mL
Four US gallons is 15,142 milliliters.
That is 36.854 mls.
45 US fluid ounces is 1330.81mL
440mL is 14.9 (14.8782) fluid ounces.
215 ml = 7.270 fluid ounces (rounded)
2250mL is 76 (76.08155) fluid ounces.
There are 128 fluid ounces in a gallon.
That 1.764 fl oz.
120 fluid oz = 3548.82mL
14.7867648 mL.
That is approximately 142 ml
36 fluid ounces is 1064.65mL
397mL is about 13.424 fluid ounces.