What is a fluid ounce (US)?

It is a unit of volume in the United States customary system equal to 1/128 of a US liquid gallon, exactly 29.5735295625 milliliters.

What does an acre-foot measure?

An acre-foot is the volume of water covering one acre to a depth of one foot, equaling 43,560 cubic feet, used mainly in water resources management.

Why convert fluid ounces to acre-feet?

This conversion helps translate small liquid volumes into large-scale water measurements useful for resource management and planning.

Convert Fluid Ounce (US) to Acre-foot Online

Easily convert volume measurements from fluid ounce (US) to acre-foot with this online unit converter tool, ideal for water resource and irrigation planning.

Fluid ounce (US) [fl oz (US)]

Acre-foot [ac*ft]

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Fluid ounce (US) [fl oz (US)] to Acre-foot [ac*ft] Conversion Table

Fluid ounce (US) [fl oz (US)]	Acre-foot [ac*ft]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Fluid ounce (US) [fl oz (US)] to Acre-foot [ac*ft] Conversion Table
Fluid ounce (US) [fl oz (US)]	Acre-foot [ac*ft]

Explore More Volume Units Converter

What Is This Tool?

This tool converts volume values from fluid ounces (US), a small volume unit commonly used in cooking and packaging, to acre-feet, a large volume unit used primarily in water resource management and agriculture.

How to Use This Tool?

Enter the volume value in fluid ounces (US) you want to convert.
Select fluid ounce (US) as the source unit.
Choose acre-foot as the target unit.
Click convert to get the volume in acre-feet.

Key Features

Converts volume from fluid ounce (US) to acre-foot accurately based on established unit definitions.
Browser-based and easy to use for all skill levels.
Useful for translating small liquid volumes into large-scale water volume measurements.

Examples

16 fluid ounces (1 US cup) equals approximately 3.83610409652e-7 acre-foot.
128 fluid ounces (1 US liquid gallon) converts to about 3.07e-6 acre-foot.

Common Use Cases

Measuring ingredient volumes in US recipes and converting to large-scale water volumes.
Labeling beverage volumes and translating those into reservoir and lake storage calculations.
Planning water delivery allocations for agricultural irrigation using consistent volume units.
Reporting municipal or regional water supply quantities.

Tips & Best Practices

Use this converter to ensure consistent volume reporting between small-scale and large-scale measurements.
Handle results carefully since conversions lead to very small decimal numbers often presented in scientific notation.
Verify unit accuracy especially when integrating conversion results into environmental or hydrological studies.

Limitations

Fluid ounces represent very small volumes compared to acre-feet, resulting in extremely small decimal values.
Acre-foot is rarely used outside of water management and large-volume contexts.
Conversion accuracy relies on precise unit definitions and careful application in calculations.

Frequently Asked Questions

What is a fluid ounce (US)?: It is a unit of volume in the United States customary system equal to 1/128 of a US liquid gallon, exactly 29.5735295625 milliliters.
What does an acre-foot measure?: An acre-foot is the volume of water covering one acre to a depth of one foot, equaling 43,560 cubic feet, used mainly in water resources management.
Why convert fluid ounces to acre-feet?: This conversion helps translate small liquid volumes into large-scale water measurements useful for resource management and planning.

Key Terminology

Fluid ounce (US): A US customary volume unit equal to 1/128 of a US liquid gallon, exactly 29.5735295625 milliliters, used for small liquid amounts.
Acre-foot: A non-SI unit of volume equal to the water volume covering one acre to one foot depth, mainly used for large water volume measurement.

Quick Knowledge Check

What volume does a fluid ounce (US) represent?

One cup of liquid

1/128 of a US liquid gallon

One quart

What is an acre-foot used to measure?

Small liquid volumes in cooking

Large water volumes in resource management

Beverage packaging sizes

Why do conversion results from fluid ounces to acre-feet often require scientific notation?

Because fluid ounces are very large compared to acre-feet

Because fluid ounces measure very small volumes relative to acre-feet

Because the units are not compatible

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