Cups to Fluid Ounces Converter
Convert cups to fluid ounces with a free calculator
How to Convert Cups to Fluid Ounces
Formula: 1 cup = 8 fl oz
Multiply your cups value by 8 to get the equivalent in fluid ounces. The conversion factor 8 is based on the internationally accepted definitions of both units.
Cups to Fluid Ounces Reference Table
| Cups (cup) | Fluid Ounces (fl oz) |
|---|---|
| 1 cup | 8 fl oz |
| 5 cup | 40 fl oz |
| 10 cup | 80 fl oz |
| 25 cup | 200 fl oz |
| 50 cup | 400 fl oz |
| 100 cup | 800 fl oz |
| 500 cup | 4,000 fl oz |
| 1000 cup | 8,000 fl oz |
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Frequently Asked Questions
How do I convert cups to ounces for a recipe? +
Multiply the number of cups by 8 to get fluid ounces. For example, 2.5 cups = 20 fl oz.
Does 1 cup of flour weigh 8 ounces? +
No. 1 cup is 8 fluid ounces by volume, but 1 cup of all-purpose flour weighs about 4.25 ounces. Volume and weight are different.
How many ounces are in a coffee cup? +
A standard US cup is 8 fl oz, but most coffee mugs hold 10-12 fl oz. Coffee shop sizes vary even more.