You have a gallon of water. There is no deep philosophical meaning.
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Another contributor was way more technical, but only slightly more philosophical:
"1 gallon" is just another way of saying . . .
128 fluid ounces
231 cubic inches
4 quarts
8 pints
16 cups.
Note that any of these is just a description of an amount of space. It doesn't matter
what's in it. It could even be empty space. It doesn't change a thing. The numbers
and the meanings are still the same.
One gallon of water is equivalent to approximately 3.785 liters or 128 fluid ounces. It is a common unit of measurement for liquids in the United States.
About 8.35 pounds for one US gallon of water.
There are 768 teaspoons of water in one gallon.
There are 128 ounces in one gallon of water. So, 16 eight-ounce glasses of water equal one gallon of water.
There are 128 fluid ounces of any liquid in one gallon.
A gallon of fresh water is heavier than a gallon of sea water because fresh water is denser than sea water.
One gallon of water equates to about 0.133 cubic feet.
There are 0.003785 cubic meters in one gallon of water.
One gallon of water weighs about 3,785.23 grams.
One gallon of water weighs about 3.783 kg
There are 3.7854 liters in a gallon of water
One gallon of water is equal to 0.004951 cubic yards.
There are 231 cubic inches in one gallon of water.
not just one gallon
One gallon of water in the summer would last a person about one day in a hot desert.
One gallon of what? A gallon of water. chicken soup or crude oil? Please rethink your question. {And for the chicken soup... it would depend on how much chicken was in there... ;-)1 US gallon of water is 3.785 Kg
8
Depends where you are.