1 US cup (cup) = 8 US fluid ounces (fl oz (US)). To convert, multiply by 8: fl oz (US) = cup × 8. For example, 5 cup = 40 fl oz (US).
fl oz (US) = cup × 8
US cups to US fluid ounces table
| US cups (cup) | US fluid ounces (fl oz (US)) |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 4 | 32 |
| 5 | 40 |
| 10 | 80 |
| 20 | 160 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 250 | 2,000 |
| 500 | 4,000 |
| 1,000 | 8,000 |
The two units
US cup (cup). The US customary cup: half a US pint, 8 US fluid ounces. Nutrition labels use a rounded 240 mL cup.
US fluid ounce (fl oz (US)). One 128th of a US gallon.
Because both units are defined in terms of the same base unit, the factor 8 is exact, not a rounded measurement.
Convert US cups to other units
- US cups to liters — 1 cup = 0.2365882365 L
- US cups to milliliters — 1 cup = 236.5882365 mL
- US cups to cubic meters — 1 cup = 0.0002365882 m³
- US cups to US gallons — 1 cup = 0.0625 gal (US)
- US cups to US quarts — 1 cup = 0.25 qt (US)
- US cups to US pints — 1 cup = 0.5 pt (US)
- US cups to US tablespoons — 1 cup = 16 tbsp
- US cups to US teaspoons — 1 cup = 48 tsp
- US cups to imperial gallons — 1 cup = 0.0520421365 gal (UK)
- US cups to imperial pints — 1 cup = 0.4163370923 pt (UK)
- US cups to cubic feet — 1 cup = 0.0083550347 ft³
- US cups to cubic inches — 1 cup = 14.4375 in³
Convert other units to US fluid ounces
- US fluid ounces to US cups
- Liters to US fluid ounces
- Milliliters to US fluid ounces
- Cubic meters to US fluid ounces
- US gallons to US fluid ounces
- US quarts to US fluid ounces
- US pints to US fluid ounces
- US tablespoons to US fluid ounces
- US teaspoons to US fluid ounces
- Imperial gallons to US fluid ounces
- Imperial pints to US fluid ounces
- Cubic feet to US fluid ounces
- Cubic inches to US fluid ounces
Questions people ask
- How many US fluid ounces are in a US cup?
- 8, exactly.
- How do you convert US cups to US fluid ounces?
- fl oz (US) = cup × 8. It is the same as dividing by 0.125.
- How do you convert US fluid ounces back to US cups?
- cup = fl oz (US) ÷ 8. See US fluid ounces to US cups.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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