Convert 18 Ounces to Cups
How big is 18 ounces? How many cups are in 18 U.S. fluid ounces? 18 fl oz to cups conversion.
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18 U.S. Fluid Ounces =
2.25 U.S. Cups
exact result
Decimal places
Result in Plain English
18 ounces is equal to exactly 2 and a 1⁄4 cups.
Result as a Fraction
18 ounces
= 9⁄4 cups
= 2 and 1⁄4 cups
In Scientific Notation
18 ounces
= 1.8 x 101 ounces
= 2.25 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.