There are 128 fluid ounces in 1 gallon. It’s important to know the different liquid measurement conversion factors that relate ounces, quarts, cups and gallons.
Using a conversion table to find the volume of liquids, a person can calculate the answer by utilizing the facts that 1 quart equals 32 fluid ounces and 4 quarts equals 1 gallon. It’s simple to find the answer by multiplying 4 by 32 to get 128 ounces.
An alternate way of calculating this is to use equivalent measurements for cups, fluid ounces and gallons. Because 1 cup equals 8 fluid ounces and 16 cups is equivalent to 1 gallon, then the answer is 8 multiplied by 16, which also gives 128 ounces.
1 Gallon = 128 fluid ounces (volume not weight) That's a US gallon. An Imperial gallon is 160 ounces, but the ounces aren't the same size as US ounces. Nevertheless, an Imperial gallon
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1 US fluid ounce = 0.0078125 US gallons. 258 US fluid ounces = 2.015625 US gallons.
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There are 128 ounces in one gallon.
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6 1/4 US gallons.
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