How much does a fluid ounce of water weigh?

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Answer

One fluid ounce of water weighs 29.574 grams, or 1.043 dry ounces or 0.0652 pounds.

This is ONLY true of WATER. A fluid ounce of another substance WILL NOT WEIGH THE SAME AMOUNT! A fluid ounce is measure of volume, and a dry ounce, or a gram, is a measure of mass (or weight).

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First answer by JEK. Last edit by JEK. Contributor trust: 2048 [recommend contributor]. Question popularity: 63 [recommend question]

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