US Fluid Ounce to US Cup Converter

Convert US Fluid Ounce (fl-oz) to US Cup (cup) instantly with this volume converter. Use the calculator above, then check the formula, worked examples, table, and manual steps below.

Formula

cup = fl-oz × 0.125

Multiply the US Fluid Ounce value by 0.125 to get the equivalent value in US Cup.

Example Conversions

1 US Fluid Ounce (fl-oz)

0.125 US Cup (cup)

5 US Fluid Ounce (fl-oz)

0.625 US Cup (cup)

10 US Fluid Ounce (fl-oz)

1.25 US Cup (cup)

25 US Fluid Ounce (fl-oz)

3.125 US Cup (cup)

100 US Fluid Ounce (fl-oz)

12.5 US Cup (cup)

Conversion Table

Common conversion values from US Fluid Ounce to US Cup
US Fluid Ounce (fl-oz) US Cup (cup)
0.1 0.0125
0.5 0.0625
1 0.125
2 0.25
5 0.625
10 1.25
25 3.125
50 6.25
100 12.5
250 31.25
500 62.5
1000 125

How to Convert Manually

Use these steps to convert US Fluid Ounce values to US Cup without the calculator.

  1. Write down the value in US Fluid Ounce (fl-oz) that you want to convert.
  2. Multiply that value by 0.125.
  3. For example, 10 US Fluid Ounce × 0.125 = 1.25 US Cup.
  4. Label the result as US Cup (cup).

Relative Size Comparison

1 US Fluid Ounce
1 US Cup8US Fluid Ounces
1cup

This chart shows the visual difference in size between exactly one US Fluid Ounce and one US Cup.

About US Fluid Ounce and US Cup

Converting US Fluid Ounce to US Cup 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 fl-oz to cup calculation ensures your measurements are correct.

The US Fluid Ounce is a unit of volume. One US Fluid Ounce equals 0.02957352956 l in this converter's base scale.

The US Cup is also a volume unit. One US Cup equals 0.2365882365 l in the same base scale.

Precision and Rounding: When converting US Fluid Ounce to US Cup, 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 Fluid Ounce equals 1.875 US Cup.

15 fl-oz × 0.125 = 1.875 cup

FAQ

How do I convert US Fluid Ounce to US Cup?

Multiply the US Fluid Ounce value by 0.125 to get the equivalent value in US Cup.

What is the formula for US Fluid Ounce to US Cup?

The formula is cup = fl-oz × 0.125.

How many US Cup are in 1 US Fluid Ounce?

1 US Fluid Ounce equals 0.125 US Cup.

Can I convert US Cup back to US Fluid Ounce?

Yes. 1 US Cup equals 8 US Fluid Ounce, and the related converter can reverse the calculation.

What are common names for US Fluid Ounce and US Cup?

US Fluid Ounce is shown as fl-oz and may also be searched as fluid ounces, fl oz, us fl oz. US Cup is shown as cup and may also be searched as cups, us cups.

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