What is pound-force (lbf)?

Pound-force is a unit of force in US customary and Imperial systems defined as the force exerted by standard gravity on a one-pound mass.

What does pound foot/square second represent?

It is a force unit in the foot–pound–second system equal to one pound mass times one foot per second squared, also known as the poundal.

Why convert from pound-force to pound foot/square second?

Conversion is used to express forces in contexts where pound units represent mass, useful in mechanics problems and older engineering calculations.

How to Convert from Pound-force [lbf] to Pound foot/square second?

Learn how to convert force values from pound-force (lbf), a common US customary unit, to pound foot/square second (poundal) used in the foot–pound–second system for mass-acceleration force measurements.

Pound-force [lbf]

Pound foot/square second

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Pound-force [lbf] to Pound foot/square second Conversion Table

Pound-force [lbf]	Pound foot/square second

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-force [lbf] to Pound foot/square second Conversion Table
Pound-force [lbf]	Pound foot/square second

Explore More Force Units Converter

What Is This Tool?

This converter allows you to translate force measurements from pound-force (lbf), based on the weight due to standard gravity on a pound mass, to pound foot/square second, a force unit used when pound denotes mass and force is expressed as mass multiplied by acceleration.

How to Use This Tool?

Enter the force value in pound-force (lbf) you wish to convert.
Select pound foot/square second as the target unit.
Initiate the conversion to view the equivalent force in pound foot/square second.
Use the result for consistent calculation in FPS unit contexts or legacy engineering analyses.

Key Features

Converts pound-force (lbf) to pound foot/square second (poundal) using established conversion rates.
Supports applications in mechanics, aerospace, ballistics, and legacy engineering unit systems.
Easy to use with a straightforward input and output interface.
Browser-based tool accessible without installation.

Examples

2 lbf converts to 64.348097113 pound foot/square second.
0.5 lbf converts to 16.0870242782 pound foot/square second.

Common Use Cases

Expressing forces in US customary units consistent with gravity-based weights.
Solving textbook and classroom mechanics problems involving FPS units where pound is mass.
Performing legacy engineering calculations requiring unit consistency.
Analyzing aerospace or ballistics forces in traditional units.

Tips & Best Practices

Ensure consistent use of FPS units when dealing with mass and acceleration.
Double-check unit distinctions to avoid confusion between pound-force and poundal.
Use this conversion to interpret older technical documents or carry out legacy analyses.
Be mindful that lbf assumes standard gravity as 9.80665 m/s².

Limitations

Conversion depends on assuming exact standard gravity; local variations can affect results.
Pound foot/square second is less common today, potentially causing interpretation issues.
Accuracy requires careful unit system consistency, especially when mixing with SI units.

Frequently Asked Questions

What is pound-force (lbf)?: Pound-force is a unit of force in US customary and Imperial systems defined as the force exerted by standard gravity on a one-pound mass.
What does pound foot/square second represent?: It is a force unit in the foot–pound–second system equal to one pound mass times one foot per second squared, also known as the poundal.
Why convert from pound-force to pound foot/square second?: Conversion is used to express forces in contexts where pound units represent mass, useful in mechanics problems and older engineering calculations.

Key Terminology

Pound-force (lbf): A force unit equal to the force exerted by standard gravity on a one-pound mass in US customary and Imperial systems.
Pound foot/square second (poundal): A force unit in the FPS system representing one pound mass accelerated at one foot per second squared.
Standard gravity: The acceleration due to gravity standardized at exactly 9.80665 m/s², used to define lbf.

Quick Knowledge Check

What does 1 pound-force (lbf) equal in pound foot/square second?

9.80665 pound foot/square second

32.1740485564 pound foot/square second

1 pound foot/square second

In which system is pound foot/square second primarily used?

SI system

Foot–pound–second (FPS) system

Metric system

Which unit treats the pound as a unit of mass rather than weight?

Poundal (pound foot/square second)

Pound-force (lbf)

Newton

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