US cups to US fluid ounces converter
US fluid ounces (US fl oz)
1 US cup = 8 US fluid ounces
How to convert US cups to US fluid ounces
US fl oz = cup × 8
Multiply the number of US cups by 8 to get US fluid ounces. Going the other way, divide by 8 (or multiply by 0.125).
One US cup is exactly defined as 8 US fluid ounces (to 12 significant figures), and one US fluid ounce is 0.125 US cups.
Worked examples
- Convert 5 US cups: 5 × 8 = 40 40 US fluid ounces.
- Convert 12.5 US cups: 12.5 × 8 = 100 100 US fluid ounces.
- Convert 250 US cups: 250 × 8 = 2,000 2,000 US fluid ounces.
Quick-reference table
| cup | US fl oz |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 5 | 40 |
| 10 | 80 |
| 15 | 120 |
| 20 | 160 |
| 25 | 200 |
| 50 | 400 |
| 75 | 600 |
| 100 | 800 |
| 1,000 | 8,000 |
| US fl oz | cup |
|---|---|
| 1 | 0.125 |
| 2 | 0.25 |
| 3 | 0.375 |
| 5 | 0.625 |
| 10 | 1.25 |
| 15 | 1.875 |
| 20 | 2.5 |
| 25 | 3.125 |
| 50 | 6.25 |
| 75 | 9.375 |
| 100 | 12.5 |
| 1,000 | 125 |
Related conversions
Frequently asked questions
How many US fluid ounces are in 1 US cup?
1 US cup equals 8 US fluid ounces.
What is the formula to convert US cups to US fluid ounces?
Use US fl oz = cup × 8. Multiply the number of US cups by 8 to get US fluid ounces. Going the other way, divide by 8 (or multiply by 0.125).
What is 100 US cups in US fluid ounces?
100 US cups is 800 US fluid ounces.