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1 US Cup to Fluid Ounce

8 fl oz

1 cup equals 8 fl oz. Use the converter below or explore all volume conversions.

Volume Converter
Result
8fl oz
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Formula: 1 cup = 8 fl oz

About converting US Cup to Fluid Ounce

Converting US Cup to Fluid Ounce is a common volume conversion. One us cup (cup) equals 8 fluid ounce (fl oz). Cups are the most common volume measurement in American home cooking and baking.

This conversion is commonly needed for cooking and baking recipes, fuel and vehicle maintenance, aquarium and pool sizing. Fluid ounces measure liquid volumes for beverages, cosmetics, and medicine in the US.

To put us cup in perspective: a cup of coffee. In fluid ounce, common references include a shot of espresso (about 1 fl oz).

Real-world examples
US Cup (cup)
  • a cup of coffee
  • a cup of rice (uncooked, about 185 g)
  • 2 cups of flour for a basic cake recipe
Fluid Ounce (fl oz)
  • a shot of espresso (about 1 fl oz)
  • a standard soda can (12 fl oz)
  • a travel-size shampoo bottle (3.4 fl oz)

Common uses for volume conversion

People frequently convert between us cup and fluid ounce for:

  • cooking and baking recipes
  • fuel and vehicle maintenance
  • aquarium and pool sizing
  • shipping liquid products
  • home brewing and winemaking
Popular US Cup to Fluid Ounce conversions
US Cup (cup)Fluid Ounce (fl oz)
1 cup8 fl oz
2 cup16 fl oz
5 cup40 fl oz
10 cup80 fl oz
15 cup120 fl oz
20 cup160 fl oz
25 cup200 fl oz
30 cup240 fl oz
50 cup400 fl oz
100 cup800 fl oz
200 cup1,600 fl oz
500 cup4,000 fl oz
1000 cup8,000 fl oz
More US Cup conversions
US Cup to Litercup → LUS Cup to Millilitercup → mLUS Cup to Cubic Metercup → m³US Cup to US Galloncup → galUS Cup to US Quartcup → qtUS Cup to US Pintcup → ptUS Cup to Tablespooncup → tbspUS Cup to Teaspooncup → tsp
Frequently asked questions
How do you convert US Cup to Fluid Ounce?
To convert US Cup to Fluid Ounce, use the formula: 1 cup = 8 fl oz. For example, 1 cup = 8 fl oz.
What is 1 US Cup in Fluid Ounce?
1 cup is equal to 8 fl oz.
How many us cup are in 1 fluid ounce?
1 fl oz is equal to 0.125 cup. To convert Fluid Ounce back to US Cup, multiply the fluid ounce value by 0.125.
When would I need to convert us cup to fluid ounce?
This conversion is commonly needed for cooking and baking recipes, fuel and vehicle maintenance, aquarium and pool sizing, shipping liquid products, home brewing and winemaking. Cups are the most common volume measurement in American home cooking and baking. Fluid ounces measure liquid volumes for beverages, cosmetics, and medicine in the US.
What does 1 us cup look like in real life?
For reference, some common us cup measurements include: a cup of coffee; a cup of rice (uncooked, about 185 g); 2 cups of flour for a basic cake recipe. So 1 cup (8 fl oz) gives you a practical sense of scale.
Is this US Cup to Fluid Ounce converter free?
Yes — metriqcon.co is completely free to use. All conversions run instantly in your browser with no server required. You can also type math expressions like (12 × 4) + 6.5 directly into the input field.
Can I share or bookmark this conversion?
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