What does inch-pound measure?

Inch-pound measures energy or torque as one pound-force applied over a one-inch distance.

Why convert inch-pound to poundal foot?

Converting allows expressing mechanical energy in the foot–pound–second system, useful for legacy data and classical mechanics analysis.

Is poundal foot still commonly used?

Poundal foot is mostly obsolete and used mostly in educational or legacy system contexts.

How to Convert Inch-pound [inlbf] to Poundal foot [pdlft]

Learn how to convert energy or torque values from inch-pound to poundal foot using this easy online unit converter. Understand the purpose, formulas, and use cases of both units.

Inch-pound [in*lbf]

Poundal foot [pdl*ft]

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

Inch-pound [inlbf] to Poundal foot [pdlft] Conversion Table

Inch-pound [in*lbf]	Poundal foot [pdl*ft]

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.

Inch-pound [in*lbf] to Poundal foot [pdl*ft] Conversion Table
Inch-pound [in*lbf]	Poundal foot [pdl*ft]

Explore More Energy Units Converter

What Is This Tool?

This unit converter transforms energy or torque measurements from inch-pound, a US customary unit, to poundal foot, an energy unit in the foot–pound–second system. It helps in interpreting, analyzing, or converting mechanical work values between these two units.

How to Use This Tool?

Enter the value in inch-pound units you want to convert
Select inch-pound as the input unit and poundal foot as the output unit
Click convert to see the equivalent value in poundal foot
Use the result for engineering analysis or educational purposes

Key Features

Converts inch-pound (in·lbf) to poundal foot (pdl·ft) energy units
Supports small torque or energy values common in engineering and physics
Browser-based tool for quick and easy conversions
Helps transition between US customary and FPS unit systems
Ideal for legacy data and classical mechanics problems

Examples

Convert 5 inch-pound to poundal foot: 5 × 2.6811707189 = 13.40585 pdl·ft
Convert 0.1 inch-pound to poundal foot: 0.1 × 2.6811707189 = 0.268117 pdl·ft

Common Use Cases

Setting precise torque on electronic fasteners using inch-pound values
Performing homework or research problems in classical mechanics with FPS units
Converting legacy engineering data from poundal foot to SI units for modern analysis
Testing mechanical components with customary energy units
Interpreting historical documents involving FPS unit work values

Tips & Best Practices

Verify the physical context to ensure the correct unit is applied
Use this tool to bridge between US customary units and FPS system measurements
Be mindful that poundal foot is mostly used for educational or legacy purposes
Double-check calculations when converting due to rounding effects
Use appropriate units to express torque or energy consistently

Limitations

Conversion accuracy depends on exact unit definitions and rounding
Inch-pound and poundal foot represent torque or energy in different systems
Poundal foot is largely obsolete and mainly useful for legacy or academic contexts
Care is needed to apply units correctly according to the physical scenario

Frequently Asked Questions

What does inch-pound measure?: Inch-pound measures energy or torque as one pound-force applied over a one-inch distance.
Why convert inch-pound to poundal foot?: Converting allows expressing mechanical energy in the foot–pound–second system, useful for legacy data and classical mechanics analysis.
Is poundal foot still commonly used?: Poundal foot is mostly obsolete and used mostly in educational or legacy system contexts.

Key Terminology

Inch-pound [in·lbf]: A unit of energy or torque equal to one pound-force applied through a one-inch distance in US customary engineering.
Poundal foot [pdl·ft]: A unit of energy in the foot–pound–second system, representing work done by a one poundal force over one foot.
Torque: A measure of rotational force applied at a distance, expressed as force times length.

Quick Knowledge Check

What kind of quantity do inch-pound and poundal foot measure?

Length

Energy or torque

Mass

Which unit system does poundal foot belong to?

SI system

Foot–pound–second (FPS) system

Metric system

Why is converting inch-pound to poundal foot important?

For converting between US customary and FPS units

To measure volume

To calculate temperature

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How to Convert Inch-pound [in*lbf] to Poundal foot [pdl*ft]

Inch-pound [in*lbf] to Poundal foot [pdl*ft] Conversion Table