Free online US cups to US fluid ounces converter (cup to fl oz). Instant conversion, formula, table, real-world examples and FAQs.
Multiply the US cups value by the conversion factor:fl oz = cup × 8
| US cups (cup) | US fluid ounces (fl oz) |
|---|---|
| 1 cup | 8 fl oz |
| 2 cup | 16 fl oz |
| 5 cup | 40 fl oz |
| 10 cup | 80 fl oz |
| 20 cup | 160 fl oz |
| 50 cup | 400 fl oz |
| 100 cup | 800 fl oz |
| 200 cup | 1600 fl oz |
| 500 cup | 4000 fl oz |
| 1000 cup | 8000 fl oz |
• US cups: The US cup is 236.588 mL. "1 cup" in US/AU baking is a standard measure; grams differ by ingredient density.
• US fluid ounces: The US fluid ounce is ≈ 29.574 mL — a volume unit, distinct from the weight ounce. Common on sodas, perfume, and spirits.
1 cup = 8 fl oz. Use the converter above to compute any value, or multiply cup by 8.
Yes — conversions use the standard international factors and are rounded to 4 decimals.
US cups are used in baking recipes and coffee servings. Fluid ounces are used for sodas, perfume, and spirits. Whenever a value is given in cup but you need fl oz, this converter is the quick fix.