1 US cup = 8 US fluid ounces
Convert US cups to US fluid ounces.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
fl oz (US) = cup (US) × 8
Worked through with a real value: 10 US cups = 80 US fluid ounces.
Going the other way: cup (US) = fl oz (US) × 0.125, so 1 US fluid ounce = 0.125 US cups.
What each unit is
- US cup cup (US)
- 236.6 millilitres. The standard measuring cup in American recipes. A US cup is smaller than an imperial cup.
- US fluid ounce fl oz (US)
- 29.57 millilitres. The US liquid ounce for measuring volume. Not the same as weight ounces.
Conversion tables
| US cups (cup (US)) | US fluid ounces (fl oz (US)) |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 4 | 32 |
| 5 | 40 |
| 6 | 48 |
| 7 | 56 |
| 8 | 64 |
| 9 | 72 |
| 10 | 80 |
| 20 | 160 |
| 25 | 200 |
| 50 | 400 |
| 75 | 600 |
| 100 | 800 |
| US fluid ounces (fl oz (US)) | US cups (cup (US)) |
|---|---|
| 1 | 0.125 |
| 2 | 0.25 |
| 3 | 0.375 |
| 4 | 0.5 |
| 5 | 0.625 |
| 6 | 0.75 |
| 7 | 0.875 |
| 8 | 1 |
| 9 | 1.125 |
| 10 | 1.25 |
| 20 | 2.5 |
| 25 | 3.125 |
| 50 | 6.25 |
| 75 | 9.375 |
| 100 | 12.5 |
Questions
How many US fluid ounces are in a US cup?
1 US cup = 8 US fluid ounces.
How do I convert US cups to US fluid ounces?
Use fl oz (US) = cup (US) × 8. For example, 10 US cups = 80 US fluid ounces.
How many US cups are in one US fluid ounce?
1 US fluid ounce = 0.125 US cups.
What is 10 US cups in US fluid ounces?
10 US cups = 80 US fluid ounces.
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