Convert 21 Ounces to Cups
How big is 21 ounces? How many cups are in 21 U.S. fluid ounces? 21 fl oz to cups conversion.
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21 U.S. Fluid Ounces =
2.625 U.S. Cups
exact result
Decimal places
Result in Plain English
21 ounces is equal to about 2.63 cups.
Result as a Fraction
21 ounces
= 21⁄8 cups
= 2 and 5⁄8 cups
In Scientific Notation
21 ounces
= 2.1 x 101 ounces
= 2.625 x 100 cups
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
Cups
A U.S. cup is a unit of volume equal to 1/16th of a U.S. gallon, or about 236 milliliters.