About 414.03 mL.
1US Gallon=128US fluid ounces Do the math 14*128=1792 fluid ounces
14 US fluid ounces = 414.03 ml
500 mL is about 16.907 US fluid ounces.
Eight tablespoons equals four fluid ounces.
120 teaspoon equals 20 fluid ounces.
21.64 fluid ounces.
There are 1,792 fluid ounces in 14 US gallons (128 fl. ounces per gallon).
Ten quarts equals 320 fluid ounces*. (US)*1 quart = 32 fluid ounces
32 fluid ounces per quart.
16.91 fluid ounces equals 1/2 liter.
That is 2.625 cups.
About 28.742 US fluid ounces.