US Cup to US Fluid Ounce Converter
Convert US Cup (cup) to US Fluid Ounce (fl-oz) instantly with this volume converter. Use the calculator above, then check the formula, worked examples, table, and manual steps below.
Formula
fl-oz = cup × 8
Multiply the US Cup value by 8 to get the equivalent value in US Fluid Ounce.
Example Conversions
1 US Cup (cup)
8 US Fluid Ounce (fl-oz)
5 US Cup (cup)
40 US Fluid Ounce (fl-oz)
10 US Cup (cup)
80 US Fluid Ounce (fl-oz)
25 US Cup (cup)
200 US Fluid Ounce (fl-oz)
100 US Cup (cup)
800 US Fluid Ounce (fl-oz)
Conversion Table
| US Cup (cup) | US Fluid Ounce (fl-oz) |
|---|---|
| 0.1 | 0.8 |
| 0.5 | 4 |
| 1 | 8 |
| 2 | 16 |
| 5 | 40 |
| 10 | 80 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 250 | 2000 |
| 500 | 4000 |
| 1000 | 8000 |
How to Convert Manually
Use these steps to convert US Cup values to US Fluid Ounce without the calculator.
- Write down the value in US Cup (cup) that you want to convert.
- Multiply that value by 8.
- For example, 10 US Cup × 8 = 80 US Fluid Ounce.
- Label the result as US Fluid Ounce (fl-oz).
Relative Size Comparison
This chart shows the visual difference in size between exactly one US Cup and one US Fluid Ounce.
About US Cup and US Fluid Ounce
Converting US Cup to US Fluid Ounce is common in volume applications, engineering, and everyday life. Whether you are translating specifications from international manuals, completing homework, or planning a project, having an accurate cup to fl-oz calculation ensures your measurements are correct.
The US Cup is a unit of volume. One US Cup equals 0.2365882365 l in this converter's base scale.
The US Fluid Ounce is also a volume unit. One US Fluid Ounce equals 0.02957352956 l in the same base scale.
Precision and Rounding: When converting US Cup to US Fluid Ounce, you may encounter long decimal numbers. For most practical purposes, rounding to two or three decimal places is sufficient. However, for machining, scientific research, or strict engineering tolerances, you should maintain as much precision as possible before your final calculation.
Worked Example
15 US Cup equals 120 US Fluid Ounce.
15 cup × 8 = 120 fl-oz
FAQ
How do I convert US Cup to US Fluid Ounce?
Multiply the US Cup value by 8 to get the equivalent value in US Fluid Ounce.
What is the formula for US Cup to US Fluid Ounce?
The formula is fl-oz = cup × 8.
How many US Fluid Ounce are in 1 US Cup?
1 US Cup equals 8 US Fluid Ounce.
Can I convert US Fluid Ounce back to US Cup?
Yes. 1 US Fluid Ounce equals 0.125 US Cup, and the related converter can reverse the calculation.
What are common names for US Cup and US Fluid Ounce?
US Cup is shown as cup and may also be searched as cups, us cups. US Fluid Ounce is shown as fl-oz and may also be searched as fluid ounces, fl oz, us fl oz.
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