What is the ton register unit used for?

Ton register is a historical maritime volume unit used to express a ship's internal capacity as gross or net register tonnage, mainly for regulatory and commercial purposes.

Where is the dram unit commonly applied?

The dram is a small liquid volume unit historically used in pharmacy and medicine for small doses, and also in mixology for cocktail measurements.

Why are ton register to dram conversion results very large?

Because ton register measures large ship volumes while dram measures small liquid quantities, the conversion results in large numeric values.

Convert Ton Register [ton reg] to Dram [dr] - Volume Unit Converter

Easily convert volume measurements from ton register (ton reg) to dram (dr) using this precise and user-friendly online tool. Ideal for maritime historical research, pharmacy, and mixology applications.

Ton register [ton reg]

Dram [dr]

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Ton register [ton reg] to Dram [dr] Conversion Table

Ton register [ton reg]	Dram [dr]

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.

Ton register [ton reg] to Dram [dr] Conversion Table
Ton register [ton reg]	Dram [dr]

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What Is This Tool?

This tool converts volume units from ton register (ton reg), a maritime measurement of ship internal capacity, to the dram (dr), a small liquid volume historically used in pharmacy and mixology.

How to Use This Tool?

Enter the volume value in ton register you want to convert.
Select 'ton register [ton reg]' as the input unit.
Choose 'dram [dr]' as the output unit.
Click 'Convert' to see the result in drams.
Use the converted value for research, prescriptions, or recipe interpretations.

Key Features

Converts large maritime volume units (ton register) to small liquid volumes (dram).
Uses exact conversion factor for precise results.
Ideal for historical research and interpretation of old ship documents.
Supports volume unit conversion relevant to pharmacy, medicine, and bartending.
Browser-based and easy to use without installation.

Examples

2 Ton register is equal to 1,532,010.38961 Dram.
0.5 Ton register converts to 383,002.59740 Dram.

Common Use Cases

Expressing a ship's internal volume in detailed liquid measures for historical records.
Calculating port fees or canal dues in older nautical documents referencing register tons.
Converting old pharmacy prescriptions listing doses in drams from larger volume references.
Understanding traditional cocktail recipes measured in drams using old volume data.

Tips & Best Practices

Double-check the unit system context (Imperial or US customary) for dram measures due to slight differences.
Be cautious with large results as ton register and dram represent very different volume scales.
Use this tool for historical or archival research where exact modern conversions are not critical.
Verify converted results when applying them for regulatory or commercial calculations.
Keep in mind the ton register is an obsolete unit and may have minor variation in practical use.

Limitations

Ton register is mostly obsolete and can vary slightly in different contexts.
Dram volume varies between Imperial and US customary systems; select appropriate context.
The unit scale difference leads to very large conversion results, requiring careful handling.
Not suitable for precise contemporary volume measurement where modern units are preferred.
Conversion relies on a standard factor and does not account for historical nuances.

Frequently Asked Questions

What is the ton register unit used for?: Ton register is a historical maritime volume unit used to express a ship's internal capacity as gross or net register tonnage, mainly for regulatory and commercial purposes.
Where is the dram unit commonly applied?: The dram is a small liquid volume unit historically used in pharmacy and medicine for small doses, and also in mixology for cocktail measurements.
Why are ton register to dram conversion results very large?: Because ton register measures large ship volumes while dram measures small liquid quantities, the conversion results in large numeric values.

Key Terminology

Ton register (ton reg): A historical maritime volume unit equal to 100 cubic feet, used to express ship internal capacity.
Dram (dr): A small liquid volume unit, approximately 1/8 of a fluid ounce, used in pharmacy and mixology.
Gross Register Tonnage: A measure of the total internal volume of a vessel, historically expressed in register tons.

Quick Knowledge Check

What does one ton register represent?

A small liquid dose

100 cubic feet of volume

A standard weight measure

In which field is the dram unit primarily used?

Maritime shipping

Pharmacy and medicine

Construction measurement

Why can conversion from ton register to dram be challenging?

Because both units are similar in scale

Due to large difference in volume scales

Because dram is not a volume unit

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