cups to fluid-ounces | Exact Decimal + Formula
1 US Cup = 8 US Fluid Ounce
Conversions between US Cup (cup) and US Fluid Ounce (fl oz) are essential in the cooking (volume) category. This tool provides a quick, free, and accurate way to convert us cups to us fluid ounces for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.
Cooking (Volume) Converter
Tab Switch fieldsS SwapC Copy
Formula
fl oz = cup × 8
To convert US Cup to US Fluid Ounce, use the formula displayed above.
Pinned Favorites
No pinned converters yet. Click the star button to pin common pairs.
Recent History
Conversions you copy will be recorded here.
US Cup to US Fluid Ounce: Quick Reference Table
| US Cup | US Fluid Ounce (Decimal) | Fraction |
|---|---|---|
| 0.001 cup | 0.008 fl oz | - |
| 0.01 cup | 0.08 fl oz | - |
| 0.1 cup | 0.8 fl oz | - |
| 0.5 cup | 4 fl oz | - |
| 1 cup | 8 fl oz | - |
| 2 cup | 16 fl oz | - |
| 5 cup | 40 fl oz | - |
| 10 cup | 80 fl oz | - |
| 25 cup | 200 fl oz | - |
| 50 cup | 400 fl oz | - |
| 100 cup | 800 fl oz | - |
| 250 cup | 2000 fl oz | - |
| 500 cup | 4000 fl oz | - |
| 1000 cup | 8000 fl oz | - |
cup to fl oz Formula and Examples
Direct Formula
fl oz = cup × 8 Inverse Formula
cup = fl oz × 0.125 Mental Math Shortcut
Multiply the value by roughly 8 to calculate the equivalent amount in your head.
Common US Cup to US Fluid Ounce Calculations
- 5 cup = 40 fl oz
- 10 cup = 80 fl oz
- 50 cup = 400 fl oz
- 100 cup = 800 fl oz
- 500 cup = 4000 fl oz
How to Convert US Cup to US Fluid Ounce
How many us fluid ounces are in a us cup?
1 US Cup (cup) is equal to 8 US Fluid Ounce (fl oz). To convert us cups to us fluid ounces, multiply your value by 8.
How do I convert us cup to us fluid ounce?
To convert US Cup to US Fluid Ounce, use the formula: US Fluid Ounce = US Cup × 8. For example, 5 cup = 40 fl oz.
What is the formula for cup to fl oz?
The formula is: fl oz = cup × 8. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.