Convert 21 Cups to Ounces
How big is 21 cups? How many ounces are in 21 U.S. cups? 21 cups to fl oz conversion.
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21 U.S. Cups =
168 U.S. Fluid Ounces
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Result in Plain English
21 cups is equal to exactly 168 ounces.
In Scientific Notation
21 cups
= 2.1 x 101 cups
= 1.68 x 102 ounces
Cups
A U.S. cup is a unit of volume equal to 1/16th of a U.S. gallon, or about 236 milliliters.
Ounces
A U.S. fluid ounce is 1/128th of a U.S. gallon. It is not the same as an ounce of weight or an Imperial fluid ounce.Common abbreviations: fl oz, oz fl