Cups to Fluid Ounces Converter
There are 8 fluid ounces in 1 cup (c). To convert cups to fluid ounces, multiply the number of cups by 8.
Measurement Converter
Precision:
8
How to Calculate
fl oz = c × 8
To convert a measurement from cups to fluid ounces, multiply the volume by the conversion ratio.
Cups to Fluid Ounces Conversion Chart
Use this quick reference table to convert common amounts of cups to fluid ounces.
| Cups | Fluid Ounces |
|---|---|
| 1 c | 8.000 fl oz |
| 2 c | 16.000 fl oz |
| 3 c | 24.000 fl oz |
| 4 c | 32.000 fl oz |
| 5 c | 40.000 fl oz |
| 6 c | 48.000 fl oz |
| 8 c | 64.000 fl oz |
| 10 c | 80.000 fl oz |
| 12 c | 96.000 fl oz |
| 16 c | 128.000 fl oz |
Frequently Asked Questions
How many fluid ounces are in 1 cup?
There are 8 fluid ounces in 1 cup (c).
Is a US cup the same as an Imperial cup?
In many cases, US customary and Imperial measurements differ slightly. Our calculator defaults to US Customary measurements, which are standard for most modern recipes.
Why does ingredient density matter for c to fl oz?
A cup is a unit of volume, while fluid ounces is a unit of volume. To convert accurately between them you must account for how tightly the ingredient is packed, which is its density.