What is the pound (troy or apothecary)?

It is a historical unit of mass equal to 12 troy ounces or 5,760 grains, used mainly in apothecaries and precious-metal measures.

What does the poundal represent?

A poundal is a unit of force in the foot–pound–second system, representing the force that accelerates a 1 pound mass at 1 foot per second squared.

Why convert pound (troy) to poundal?

To translate older mass measurements into FPS force units, aiding classical dynamics, engineering, and interpreting historical data with force calculations.

Convert from Pound (Troy or Apothecary) to Poundal [pdl]

Easily convert weights from pound (troy or apothecary) to poundal [pdl], a force unit in the FPS system. This tool aids in classical dynamics and historical measurement conversions.

Pound (troy or apothecary)

Poundal [pdl]

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

Pound (troy or apothecary) to Poundal [pdl] Conversion Table

Pound (troy or apothecary)	Poundal [pdl]

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 Poundal [pdl] Conversion Table
Pound (troy or apothecary)	Poundal [pdl]

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What Is This Tool?

This converter transforms values from the pound (troy or apothecary), a historical mass unit, into poundal [pdl], a force unit used in the foot–pound–second (FPS) system. It helps connect older mass-based measurements to force units essential for classical mechanics and engineering contexts.

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 and poundal [pdl] as the target unit
Click the convert button to get the equivalent force value in poundals
View the result and use it for classical mechanics or historical data interpretation

Key Features

Converts historical pound units to poundal force units accurately using standardized rates
Supports use cases in classical dynamics, engineering, ballistics, and historical artifact cataloguing
Provides quick calculations for translating between mass and force units in the FPS system
Includes example conversions demonstrating simple and fractional pound values
Browser-based tool with intuitive interface and easy input selection

Examples

2 Pound (troy or apothecary) equals 52.992 Poundal [pdl]
0.5 Pound (troy or apothecary) equals 13.248 Poundal [pdl]

Common Use Cases

Interpreting historical apothecary and pharmacopoeia prescriptions into force units
Converting the weights of older coins or museum items measured in troy pounds
Analyzing classical engineering or ballistics problems involving FPS forces
Reconciling historical precious-metal bullion quantities with modern force measurements

Tips & Best Practices

Understand that pound (troy) is a mass unit while poundal is a force unit; use this conversion carefully
Use this converter primarily for historical or classical mechanics contexts where these units appear
Avoid mixing or confusing these units in modern scientific or engineering calculations
Refer to example calculations to validate your inputs and outputs
Cross-check conversions when interpreting older texts or catalogues to ensure clarity

Limitations

Pound (troy or apothecary) measures mass, whereas poundal measures force; direct conversion assumes a force equivalence which may cause confusion
The troy pound is largely obsolete and not commonly used in present-day measurements
Care is required to not mistake mass values for force values in practical applications
This tool does not convert between mass and force units outside the defined context
Not suitable for precise scientific measurement without understanding underlying unit differences

Frequently Asked Questions

What is the pound (troy or apothecary)?: It is a historical unit of mass equal to 12 troy ounces or 5,760 grains, used mainly in apothecaries and precious-metal measures.
What does the poundal represent?: A poundal is a unit of force in the foot–pound–second system, representing the force that accelerates a 1 pound mass at 1 foot per second squared.
Why convert pound (troy) to poundal?: To translate older mass measurements into FPS force units, aiding classical dynamics, engineering, and interpreting historical data with force calculations.

Key Terminology

Pound (troy or apothecary): A historical unit of mass equal to 12 troy ounces or exactly 373.2417216 grams, used in older precious-metal and pharmaceutical measures.
Poundal [pdl]: A force unit in the FPS system defined as the force causing a 1 pound mass to accelerate at 1 foot per second squared.
FPS system: A system of units based on feet, pounds, and seconds, used primarily in classical mechanics and older engineering contexts.

Quick Knowledge Check

What type of unit is the troy pound?

Force unit

Mass unit

Time unit

In which system is the poundal used?

Metric system

Foot–pound–second system

SI system

What does converting from pound (troy) to poundal help with?

Calculating electrical resistance

Addressing classical mechanics force problems

Measuring temperature

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