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US cups to US fluid ounces Converter

Convert US cups to US fluid ounces by typing a value: the answer appears as you type. One cup equals 8 fl oz, so to go from US cups to US fluid ounces you multiply by 8. A table of common values is included below.

Quick examples
cup
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US fluid ounces24 fl oz
The same number of US fluid ounces in US cups
0.375 cup

US cups to US fluid ounces table

US cups (cup)US fluid ounces (fl oz)

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      Formula

      US fluid ounces = US cups × 8
      1 cup = 8 fl oz
      1 fl oz = 0.125 cup

      How to use it

      1. Type the number of US cups.
      2. Read the result in US fluid ounces.
      3. Open the table for common values, or use the reverse converter to go from US fluid ounces to US cups.

      Worked examples

      0.25 cup in US fluid ounces

      US fluid ounces
      2 fl oz

      4 cup in US fluid ounces

      US fluid ounces
      32 fl oz

      Quick reference

      0.25 cup = 2 fl oz. 0.5 cup = 4 fl oz. 1 cup = 8 fl oz. 1.5 cup = 12 fl oz. 2 cup = 16 fl oz. 3 cup = 24 fl oz. 4 cup = 32 fl oz. 5 cup = 40 fl oz.

      Good to know

      The cup, pint, quart and gallon here are US customary measures. An imperial gallon, used in the UK, is 4.54609 liters — about 20% larger than the US gallon of 3.785 liters — and is listed separately.

      Questions people ask

      How many US fluid ounces are in 1 cup?

      1 cup is 8 fl oz.

      How do I convert US cups to US fluid ounces?

      Multiply by 8. For example, 2 cup × 8 = 16 fl oz.

      What is 100 cup in US fluid ounces?

      100 cup is 800 fl oz.

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