Cup (US) to Fluid Ounce (US) Converter

Convert cup (us) to fluid ounce (us) instantly with our free online volume converter. Accurate conversions with detailed formulas and conversion tables.

Convert cup (US) to fl oz (US)

From Unit
Cup (US)
To Unit
Fluid Ounce (US)

Conversion Result

1 cup (US) = 0.000e+0 fl oz (US)

Exactly 0.0000000000 fl oz (US)

The Formula

To convert cup (US) to fl oz (US), multiply the volume by 8.

Cup (US) to Fluid Ounce (US) Conversion Table

Cup (US) (cup (US))Fluid Ounce (US) (fl oz (US))Notes
1 cup (US)8.00 fl oz (US)Standard volume unit
2 cup (US)16.00 fl oz (US)Common recipe measurement
5 cup (US)40.00 fl oz (US)Small container
10 cup (US)80.00 fl oz (US)Standard bottle size
20 cup (US)160.00 fl oz (US)Large container
50 cup (US)400.00 fl oz (US)Industrial volume
100 cup (US)800.00 fl oz (US)Bulk measurement

Convert Cup (US) to Other Units

How to Use This Calculator

  1. Enter the Value: Type the volume value you want to convert in the input field. For example, if converting 16 cup (US) to fl oz (US), enter "16".
  2. Select Units: The calculator is pre-configured to convert from Cup (US) (cup (US)) to Fluid Ounce (US) (fl oz (US)). The units are displayed in the "From Unit" and "To Unit" fields.
  3. View Results: The converted value appears instantly in the result card. You can see both the formatted result and the exact decimal value.
  4. Copy or Switch: Use the "Copy Result" button to copy the conversion to your clipboard, or click "Quick Switch" to reverse the conversion direction.

How the Conversion Works

This calculator uses a two-step conversion process through liters (L) as the base unit, which is the standard unit of volume in the International System of Units (SI).

Conversion Formula:

Step 1: Convert from cup (US) to liters (L)

Value in L = Input value ÷ 4.22675

Step 2: Convert from liters (L) to fl oz (US)

Result = Value in L × 33.814

Simplified Formula:

Result = Input × 8
Where 8 is the conversion factor from cup (US) to fl oz (US)

Example Calculation:

Let's convert 16 cup (US) to fl oz (US):

16 cup (US) ÷ 4.22675 = 3.785414 L
3.785414 L × 33.814 = 128.00 fl oz (US)

Result: 16 cup (US) = 128.00 fl oz (US)

Why Convert Cup (US) to Fluid Ounce (US)?

Converting volume from Cup (US) to Fluid Ounce (US) is essential for various applications including cooking, chemistry, engineering, and international trade. Understanding this conversion helps ensure accuracy in measurements across different unit systems.

The liter is the base unit of volume in the International System of Units (SI), while other units like cups, gallons, and fluid ounces are used in various regional systems. Precision matters especially in pharmaceutical dosages, chemical reactions, and recipe conversions where small errors can have significant impacts.

Frequently Asked Questions

How much is 1 cup (US) in fl oz (US)?
Exactly 1 cup (US) is equal to 8.00 fl oz (US).
What is the conversion factor from cup (US) to fl oz (US)?
The conversion factor is 8.0000000000. Multiply the value in cup (US) by this factor to get the equivalent in fl oz (US).
Why is accurate volume conversion important?
Accurate volume conversions are crucial for recipe scaling, pharmaceutical dosages, chemical measurements, and industrial processes. Small errors in conversion can lead to significant problems in these fields.