US customary cups to US fluid ounces
Convert us customary cups to us fluid ounces (US cups to US fl oz). 1 US cups = 8 US fl oz. Use the calculator, formula and conversion table.
How to convert us customary cups to us fluid ounces
Multiply the amount in us customary cups by 8 to get us fluid ounces. The displayed factor and results are rounded to 12 significant digits.
US fl oz = US cups × 8Worked example
1 US cups = 8 US fl oz. Change the amount in the calculator above to use your own value.
Units and assumptions
Units are labelled explicitly: US customary liquid cups and gallons differ from imperial units. One litre is 1,000 millilitres. This converts volume only; mass conversions need a density.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
US customary cups to US fluid ounces table
| US customary cups (US cups) | US fluid ounces (US fl oz) |
|---|---|
| 0 | 0 |
| 1 | 8 |
| 5 | 40 |
| 10 | 80 |
| 25 | 200 |
| 100 | 800 |
| 1,000 | 8,000 |
About this conversion
What is the formula for us customary cups to us fluid ounces?
US fl oz = US cups × 8. Multiply the amount in us customary cups by 8 to get us fluid ounces. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to us customary cups?
Use the us fluid ounces to us customary cups calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the volume converter to browse all supported pairs.