Ounces to Cups Converter

Convert between fluid ounces, cups, and other volume units

Input Volume

Enter a volume and select units to convert

Quick Conversions

Common Conversions

1 fluid ounce
= 0.125 cups / 2 tbsp
1 cup
= 8 fl oz / 16 tbsp
1 pint
= 2 cups / 16 fl oz
1 quart
= 4 cups / 32 fl oz
1 gallon
= 16 cups / 128 fl oz

Conversion Result

8 fl oz =
1
Cup
≈ 1 cup

All Conversions

8 fl oz equals:

US Volume Units
Teaspoon48 tsp
Tablespoon16 tbsp
Fluid Ounce8 fl oz
Cup1 cup
Pint0.5 pt
Quart0.25 qt
Gallon0.0625 gal
Metric Units
Milliliter236.5884 ml
Liter0.236588 L

Recipe Measurements

Click to convert common recipe amounts

1/4 cup2 fl oz
1/3 cup2.664 fl oz
1/2 cup4 fl oz
2/3 cup5.336 fl oz
3/4 cup6 fl oz
1 cup8 fl oz
2 cups16 fl oz
4 cups (1 quart)32 fl oz

Beverage Sizes

Common drink container volumes

Shot Glass1.5 fl oz / 0.1875 cups
Coffee Cup6 fl oz / 0.75 cups
Standard Cup8 fl oz / 1 cups
Mug12 fl oz / 1.5 cups
Water Bottle16.9 fl oz / 2.1125 cups
Soda Can12 fl oz / 1.5 cups
Wine Glass5 fl oz / 0.625 cups
Beer Pint16 fl oz / 2 cups

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About Ounces to Cups Conversion

Understanding Volume Conversion

Converting between fluid ounces and cups is essential for cooking and baking. In the US measurement system, 1 cup equals 8 fluid ounces. This converter helps you easily convert between cups, ounces, and other common volume measurements used in recipes.

Conversion Formulas

Fluid Ounces to Cups:
cups = fl oz ÷ 8
Cups to Fluid Ounces:
fl oz = cups × 8

US Volume Measurements

Basic Conversions:
1 cup = 8 fl oz
1 pint = 2 cups = 16 fl oz
1 quart = 4 cups = 32 fl oz
1 gallon = 16 cups = 128 fl oz
Smaller Units:
1 tbsp = 0.5 fl oz
1 cup = 16 tbsp
1 tsp = 1/6 fl oz
1 tbsp = 3 tsp

Common Recipe Conversions

  • 1/4 cup = 2 fl oz = 4 tbsp
  • 1/3 cup = 2.67 fl oz = 5 tbsp + 1 tsp
  • 1/2 cup = 4 fl oz = 8 tbsp
  • 2/3 cup = 5.33 fl oz = 10 tbsp + 2 tsp
  • 3/4 cup = 6 fl oz = 12 tbsp
  • 1 cup = 8 fl oz = 16 tbsp

Tips for Measuring

  • Use liquid measuring cups for fluids (with a spout)
  • Use dry measuring cups for dry ingredients (flat top)
  • Measure liquids at eye level for accuracy
  • For sticky liquids like honey, spray the cup with oil first
  • 1 cup of water weighs approximately 8 ounces (weight)

Fluid Ounce vs Weight Ounce

It's important to distinguish between fluid ounces (fl oz) which measure volume, and ounces (oz) which measure weight. This converter deals with fluid ounces for volume. 1 cup of water happens to weigh about 8 ounces, but this varies with different liquids based on their density.