US Cups to US Fluid Ounces
1 us cup = 8.11537 us fluid ounces (fl oz)
Convert us cups to us fluid ounces instantly. 1 us cup = 8.11537 us fluid ounces. Free, accurate, with conversion table and formula.
US Cup (cup)
US Fluid Ounce (fl oz)
| Unit | 1 cup equals |
|---|---|
| Milliliter (ml) | 240 |
| Liter (L) | 0.24 |
| US Teaspoon (tsp) | 48.6922 |
| US Tablespoon (tbsp) | 16.2307 |
| US Cup (cup) | 1 |
| US Fluid Ounce (fl oz) | 8.11537 |
| US Pint (pt) | 0.507211 |
| US Quart (qt) | 0.253605 |
| US Gallon (gal) | 0.0634013 |
How to convert us cups to us fluid ounces
- 1Take your value in us cups (cup).
- 2Multiply by 8.11537.
- 3The result is your value in us fluid ounces (fl oz).
US Cups to US Fluid Ounces conversion table
| US Cups (cup) | US Fluid Ounces (fl oz) |
|---|---|
| 1 | 8.11537 |
| 2 | 16.2307 |
| 5 | 40.5769 |
| 10 | 81.1537 |
| 25 | 202.884 |
| 50 | 405.769 |
| 100 | 811.537 |
| 250 | 2,028.84 |
| 500 | 4,057.69 |
| 1,000 | 8,115.37 |
Frequently asked
How many us fluid ounces are in a us cup?
1 us cup equals 8.11537 us fluid ounces (fl oz).
How do I convert us cups to us fluid ounces?
Multiply the number of us cups by 8.11537 to get us fluid ounces.
What is 10 us cups in us fluid ounces?
10 cup equals 81.15 fl oz.
What is 100 us cups in us fluid ounces?
100 cup equals 811.5 fl oz.
How do I convert us fluid ounces back to us cups?
Multiply us fluid ounces by 0.123223 (the reciprocal) or use the swap button above.
Where you'll actually use this
Cooking converters translate between metric (ml, g) and US customary measures (cups, tablespoons, teaspoons, fluid ounces) — essential for following recipes across regions.
- International recipes
Bake a French pastry recipe in a US kitchen, or scale a US cookbook for a European oven.
- Scaling recipes
Halve or triple portions while keeping ratios accurate.
- Bartending
Cocktail recipes use jiggers, fluid ounces, and milliliters interchangeably.
Common mistakes to avoid
- Dry vs liquid cups
A US cup is the same volume for both, but dry ingredients should be spooned and leveled — not packed — for accuracy.
- Tablespoons differ globally
US: 14.79 ml. UK: 17.76 ml. Australia: 20 ml. Match the recipe's origin.
Did you know?
Professional bakers measure flour in grams — a 'cup' can vary 20% depending on how it's scooped.
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