1 Cups to Ounces
1 cups = 8 fl oz
1 US cup equals 8 US fluid ounces.
How to convert 1 cups to fl oz
Use the formula fl oz = cups × 8:
fl oz = 1 × 8fl oz = 8
So 1 cups = 8 fl oz.
Rounded values and quick estimate
- Rounded to a whole number: 8 fl oz
- Rounded to one decimal place: 8 fl oz
- Conversion factor: 1 US cup = 8 US fluid ounces
This conversion is exact, so there is no need to estimate: just multiply by 8.
1 Cups in other units
- US fluid ounces
- 8 fl oz
- Milliliters
- 236.59 ml
- Liters
- 0.2366 L
- Teaspoons
- 48 tsp
- Tablespoons
- 16 tbsp
- US pints
- 0.5 pt
- US quarts
- 0.25 qt
- US gallons
- 0.0625 gal
- Cubic centimeters
- 236.59 cc
- Cubic inches
- 14.44 cu in
- Cubic feet
- 0.008355 cu ft
- Drops
- 4731.76 drops
- Oil barrels
- 0.001488 bbl
- UK gallons
- 0.052 UK gal
- Cubic meters
- 0.000237 m³
- Cubic yards
- 0.000309 cu yd
1 cups and nearby values
About us cups and us fluid ounces
A US customary cup is 8 US fluid ounces, about 236.6 ml. Nutrition labels use a rounded 240 ml cup; metric cups are 250 ml.
A US fluid ounce is 1/128 of a US gallon, about 29.57 ml. (A UK imperial fluid ounce is slightly smaller, 28.41 ml.)
Related conversions
Frequently asked questions
What is 1 Cups in Ounces?
1 US cup is 8 US fluid ounces (1 cups = 8 fl oz).
How do you convert 1 cups to fl oz?
Apply fl oz = cups × 8: fl oz = 1 × 8, fl oz = 8.
How many US cups is 8 fl oz?
8 fl oz is about 1 US cup.