What is an acre-foot (US survey)?

An acre-foot (US survey) is a volume measurement representing the space covered by one acre to a depth of one US survey foot, equal to 43,560 cubic US survey feet.

What is a dram [dr] used for?

A dram is a small historical liquid volume unit mainly used in pharmacy, medicine, and interpreting old recipes for measuring small doses of liquid.

Why convert from acre-foot to dram?

This conversion translates large water volumes into small dose measurements for specialized fields like pharmaceutical research, historical recipe interpretation, or archival studies.

Are there accuracy concerns with this conversion?

Due to the slight differences in the US survey foot definition and the large scale difference, minor discrepancies and very large output numbers can occur.

How to Convert from Acre-foot (US survey) to Dram [dr]

Convert volume measurements from acre-foot (US survey) to dram [dr] using this easy-to-use online converter. Understand the use cases and context for these units in water management, pharmacy, and historical research.

Acre-foot (US survey)

Dram [dr]

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Acre-foot (US survey) to Dram [dr] Conversion Table

Acre-foot (US survey)	Dram [dr]

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Start Value

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

End Value

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Interval

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Acre-foot (US survey) to Dram [dr] Conversion Table
Acre-foot (US survey)	Dram [dr]

Explore More Volume Units Converter

What Is This Tool?

This converter allows you to translate volume values from acre-foot (US survey), a large-scale water measurement, into drams (dr), a small historical liquid volume unit used in pharmacy and mixology.

How to Use This Tool?

Enter the volume value in acre-foot (US survey) into the input field.
Select dram [dr] as the target unit.
Click the convert button to obtain the result in drams.
Use the output to interpret or analyze volume in the desired context.

Key Features

Converts volume from acre-foot (US survey) to dram [dr] accurately based on established rates.
Supports large-scale water volume measurements used in water resource management.
Facilitates conversions relevant to pharmacy, historical recipes, and archival research.
Browser-based and easy to use without complex tools.

Examples

2 acre-feet (US survey) converts to approximately 667,347,729.79 drams [dr].
0.5 acre-foot (US survey) equals about 166,836,932.45 drams [dr].

Common Use Cases

Measuring stored water volumes for reservoirs and dam management.
Specifying small liquid doses in historical pharmacy or medical prescriptions.
Interpreting traditional cocktail recipes through precise dram measurements.
Converting historical volume units for archival or research purposes.
Allocating irrigation water and planning regional water supply.

Tips & Best Practices

Use this converter to bridge vastly different volume scales in a clear way.
Be aware that the dram is mostly used in historical or niche contexts.
Verify the specific definition of acre-foot units in local water management.
Consider the limitations when working with very large or very small numbers.
Refer to the tool for conversions useful in medical and historical volume contexts.

Limitations

The large scale difference results in very large dram numbers that may be difficult to handle.
Dram is an obsolete unit primarily relevant for historical, pharmaceutical, or niche applications.
Slight variations in the US survey foot definition of acre-foot can cause minor discrepancies.

Frequently Asked Questions

What is an acre-foot (US survey)?: An acre-foot (US survey) is a volume measurement representing the space covered by one acre to a depth of one US survey foot, equal to 43,560 cubic US survey feet.
What is a dram [dr] used for?: A dram is a small historical liquid volume unit mainly used in pharmacy, medicine, and interpreting old recipes for measuring small doses of liquid.
Why convert from acre-foot to dram?: This conversion translates large water volumes into small dose measurements for specialized fields like pharmaceutical research, historical recipe interpretation, or archival studies.
Are there accuracy concerns with this conversion?: Due to the slight differences in the US survey foot definition and the large scale difference, minor discrepancies and very large output numbers can occur.

Key Terminology

Acre-foot (US survey): A volume unit representing the amount of water to cover one acre of land to a depth of one US survey foot, equal to 43,560 cubic feet.
Dram [dr]: A historical liquid volume unit equal to 1/8 of a fluid ounce, commonly used in pharmacy and medicine for small liquid doses.
US Survey Foot: A unit of length used in the US survey system, forming the basis of the acre-foot (US survey) measurement.

Quick Knowledge Check

What does an acre-foot (US survey) measure?

Small liquid doses

Volume of water covering one acre to one US survey foot depth

Weight of water in kilograms

In which context is a dram [dr] primarily used?

Historical pharmacy and medicine

Water reservoir measurement

Modern cooking volume

What is a limitation of converting acre-foot to dram?

The units measure the same volume

The results generate very large numbers

The conversion is not defined

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