What exactly is a troy pound?

A troy pound is a historical mass unit equal to 12 troy ounces or 5760 grains, used mainly in apothecary and precious-metal measures.

Where are grains still used today?

Grains are still used in firearms ballistics for bullet weights, archery for arrow weights, and in traditional pharmaceutical dosages.

Why convert from troy pounds to grains?

Converting from troy pounds to grains provides a finer unit useful for precisely interpreting historical weights and handling small mass measurements.

Convert Pound (Troy or Apothecary) to Grain [gr] Easily

Use our unit converter to quickly change pound (troy or apothecary) measurements into grain [gr], a traditional unit useful in ballistics, archery, and historical pharmaceutical contexts.

Pound (troy or apothecary)

Grain [gr]

Please check your input. It must be a valid numeric value.

Pound (troy or apothecary) to Grain [gr] Conversion Table

Pound (troy or apothecary)	Grain [gr]

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.

Pound (troy or apothecary) to Grain [gr] Conversion Table
Pound (troy or apothecary)	Grain [gr]

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What Is This Tool?

This converter transforms values from pound (troy or apothecary), a historical mass unit, into grain [gr], a smaller unit still applied in specialized fields like ballistics and traditional medicine.

How to Use This Tool?

Enter the value in pound (troy or apothecary) you want to convert
Select pound (troy or apothecary) as the source unit
Choose grain [gr] as the target unit
Click 'Convert' to see the equivalent weight in grains

Key Features

Converts pound (troy or apothecary) to grain [gr] precisely based on historical definitions
Supports understanding of old apothecary and precious-metal weight measures
Browser-based and user-friendly interface for easy access
Facilitates conversion for niche fields such as numismatics, ballistics, and archery
Quickly translates large historical weight units into finer grain units

Examples

1 pound (troy or apothecary) equals 5760 grain [gr] (rounded)
0.5 pound (troy or apothecary) equals 2880 grain [gr]

Common Use Cases

Translating historical apothecary prescriptions into modern granular units
Cataloguing weights of old coins or museum artifacts measured in troy pounds
Converting bullion weights recorded in troy measures
Specifying bullet and propellant weights in grains for firearms
Expressing arrow weights for archery using grains

Tips & Best Practices

Use the conversion tool for specialized or historical research to maintain accuracy
Remember the troy pound is an obsolete unit often replaced by metric units
Handle measurements carefully due to the small mass scale involved with grains
Verify units before converting to avoid errors in historical data interpretation

Limitations

The troy pound is largely obsolete and uncommon in modern measurements
Conversion is mostly helpful for historical or specialized contexts
Accurate instruments are needed to measure weights in grains due to their small size

Frequently Asked Questions

What exactly is a troy pound?: A troy pound is a historical mass unit equal to 12 troy ounces or 5760 grains, used mainly in apothecary and precious-metal measures.
Where are grains still used today?: Grains are still used in firearms ballistics for bullet weights, archery for arrow weights, and in traditional pharmaceutical dosages.
Why convert from troy pounds to grains?: Converting from troy pounds to grains provides a finer unit useful for precisely interpreting historical weights and handling small mass measurements.

Key Terminology

Troy Pound: A historical unit of mass equal to 12 troy ounces or 5760 grains, used in apothecary and precious-metal weight systems.
Grain [gr]: A small traditional unit of mass, defined as exactly 64.79891 milligrams and equal to 1/7000 of an avoirdupois pound.
Apothecary System: An old system of weights and measures used in pharmacy that includes units like the troy pound.

Quick Knowledge Check

What is one pound (troy or apothecary) equivalent to in grains?

7000 grains

5760 grains

4800 grains

In which field are grains commonly still used?

Computer science

Ballistics

Cooking

What is a major limitation of the troy pound unit?

It is too large for precious metals

It is mostly obsolete today

It varies by country

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