Cups to Ounces Converter

Quickly convert between cups and ounces (oz)

How Many Ounces in a Cup?

There are 8 fluid ounces in 1 cup. This conversion is standard in US customary measurements for liquids.

How to Convert Cups to Ounces

  1. Enter the number of cups in the left field
  2. Click "Convert to Ounces"
  3. View the equivalent ounces instantly
  4. Or enter ounces to convert back to cups

Common Cup to Ounce Conversions

1 cup

= 8 oz

2 cups

= 16 oz

4 cups

= 32 oz

0.5 cup

= 4 oz

Practical Uses

  • Recipe measurements and scaling
  • Beverage portion control
  • Meal prep and nutrition tracking
  • Baking ingredient measurements
  • Cocktail mixing

Conversion Formula

1 cup = 8 fluid ounces

1 fluid ounce = 0.125 cups

Important Notes

These conversions are for liquid measurements. For dry ingredients, the weight in ounces may vary depending on the ingredient's density.