16 ounces of water weighs about 1 pound. You can check this on your own by doing the math with a calculator. 1 gallon of water is 128 ounces and weighs about 8.35 pounds.
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Technically, it depends on the temperature of the water. The density of water changes as heat is added or removed. at 32° Fahrenheit (0o Celsius), 16 fl ounces of water will weigh
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16.9 fluid oz's of water is equal to 1.06 lbs.
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A fluid ounce is a volume measurement and an ounce is a weight measurement. They are related though, because 1 Fl Oz of water equals one Oz (in weight) of water. Water is the thing
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