What is a pound foot/square second?

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

Why convert pound foot/square second to newtons?

Conversion is done to translate FPS-based forces into the SI system for consistency in modern engineering and scientific use.

Is pound foot/square second the same as pound-force?

No, pound foot/square second (poundal) differs from pound-force (lbf); careful distinction is needed during conversions.

How to Convert from Pound foot/square second to Newton [N]

Learn how to convert force measurements from pound foot/square second (poundal) to newton (N), bridging legacy FPS units with the SI system for accurate engineering and physics applications.

Pound foot/square second

Newton [N]

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Pound foot/square second to Newton [N] Conversion Table

Pound foot/square second	Newton [N]

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

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Interval

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Pound foot/square second to Newton [N] Conversion Table
Pound foot/square second	Newton [N]

Explore More Force Units Converter

What Is This Tool?

This converter transforms force values expressed in pound foot/square second, a unit from the foot–pound–second system, into newtons, the standard SI unit of force. It facilitates the interpretation and use of legacy and academic force data in modern applications.

How to Use This Tool?

Enter the force value in pound foot/square second (poundal)
Select the target unit as newton (N)
Click the convert button to obtain the force in newtons
Use the result in engineering or academic calculations requiring SI units

Key Features

Converts pound foot/square second (poundal) to newton (N)
User-friendly interface for quick force unit translation
Useful for engineers, students, and researchers working with FPS and SI units
Accurate conversion based on standardized conversion rates
Supports legacy unit conversions for technical and academic use

Examples

5 pound foot/square second converts to approximately 0.691274772 newtons
10 pound foot/square second converts to approximately 1.382549544 newtons

Common Use Cases

Solving mechanics problems in classrooms using FPS units with pound as a mass unit
Converting legacy engineering data from foot–pound–second units to SI units
Analyzing small-scale dynamics or ballistic data originally in imperial units
Bridging historical technical documentation with modern force measurements

Tips & Best Practices

Ensure you distinguish pound foot/square second (poundal) from pound-force (lbf)
Use the tool for converting legacy data where FPS units are involved
Verify the context of force measurements to apply correct unit assumptions
Check that acceleration units correspond with the pound as a mass unit during conversions

Limitations

Pound foot/square second is rarely used in modern practice and mostly appears in legacy contexts
Conversion precision can be affected by rounding and assumptions in unit definitions
Care must be taken to distinguish poundal force from pound-force (lbf) units
Direct usage of pound foot/square second is uncommon in current engineering fields

Frequently Asked Questions

What is a pound foot/square second?: It is a force unit in the FPS system defined as one pound mass times one foot per second squared, also known as the poundal.
Why convert pound foot/square second to newtons?: Conversion is done to translate FPS-based forces into the SI system for consistency in modern engineering and scientific use.
Is pound foot/square second the same as pound-force?: No, pound foot/square second (poundal) differs from pound-force (lbf); careful distinction is needed during conversions.

Key Terminology

Pound foot/square second: A force unit in the FPS system equal to one pound mass times one foot per second squared, commonly called the poundal.
Newton (N): The SI derived unit of force, defined as the force needed to accelerate a mass of one kilogram by one meter per second squared.
Foot–pound–second (FPS) system: A system of units using foot for length, pound for mass, and second for time, used historically in mechanics.

Quick Knowledge Check

What does 1 pound foot/square second represent?

Force to accelerate 1 lb mass by 1 ft/s²

Force to accelerate 1 kg mass by 1 m/s²

Weight of 1 lb mass on Earth

What is the SI unit of force used in this conversion?

Poundal

Newton

Pound-force

Why is this conversion important?

To translate imperial units into FPS units

To standardize legacy force data into SI units

To measure weight on Earth's surface

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