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Cups to Fluid Ounces Converter

1 cup = 8 fl oz. Type any value to convert cups to fluid ounces.

1 cup = 8 fl oz

Formula: fl oz = cup × 8

Common values
Decimals
In every unit 21 units
Milliliter (ml) 236.5882365 ml
Centiliter (cl) 23.65882365 cl
Deciliter (dl) 2.365882365 dl
Liter (l) 0.2365882365 l
Cubic centimeter (cm³) 236.5882365 cm³
Cubic meter (m³) 0.0002365882365 m³
Teaspoon (US) (tsp) 48 tsp
Tablespoon (US) (tbsp) 16 tbsp
Fluid ounce (US) (fl oz) 8 fl oz
Cup (US) (cup) 1 cup
Metric cup (cup (250 ml)) 0.946352946 cup (250 ml)
Pint (US) (pt) 0.5 pt
Quart (US) (qt) 0.25 qt
Gallon (US) (gal) 0.0625 gal
Fluid ounce (UK) (UK fl oz) 8.326741846 UK fl oz
Pint (UK) (UK pt) 0.4163370923 UK pt
Gallon (UK) (UK gal) 0.05204213654 UK gal
Cubic inch (in³) 14.4375 in³
Cubic foot (ft³) 0.008355034722 ft³
Cubic yard (yd³) 0.0003094457305 yd³
Barrel of oil (bbl) 0.001488095238 bbl

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Cups to fluid ounces table

Formula: fl oz = cup × 8

Cup (US) (cup)Fluid ounce (US) (fl oz)
0.1 cup0.8 fl oz
0.25 cup2 fl oz
0.5 cup4 fl oz
1 cup8 fl oz
2 cup16 fl oz
3 cup24 fl oz
4 cup32 fl oz
5 cup40 fl oz
6 cup48 fl oz
7 cup56 fl oz
8 cup64 fl oz
9 cup72 fl oz
10 cup80 fl oz
12 cup96 fl oz
15 cup120 fl oz
20 cup160 fl oz
25 cup200 fl oz
30 cup240 fl oz
40 cup320 fl oz
50 cup400 fl oz
60 cup480 fl oz
75 cup600 fl oz
100 cup800 fl oz
150 cup1,200 fl oz
200 cup1,600 fl oz
250 cup2,000 fl oz
500 cup4,000 fl oz
1,000 cup8,000 fl oz

How to use: Cups to Fluid Ounces

  1. 1 Type the value in cups.
  2. 2 The result in fluid ounces appears at once – or type in the fluid ounces field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of volume.

About this tool

Cup (US) (cup) is a unit of volume (US customary); 1 cup = 0.0002365882365 m³. Fluid ounce (US) (fl oz) is a unit of volume (US customary); 1 fl oz = 0.00002957352956 m³.

To convert cups to fluid ounces, multiply the value by 8 (fl oz = cup × 8). Example: 5 cup = 40 fl oz.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert cups to fluid ounces?

To convert cups to fluid ounces, multiply the value by 8: fl oz = cup × 8. For example 5 cup = 40 fl oz.

What is 1 cup in fluid ounces?

1 cup = 8 fl oz. The other way round, 1 fl oz = 0.125 cup.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of volume here?

Yes – choose any of the 21 units of volume in the From and To lists, or switch to another measurement at the top.

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