What is a poundal foot?

A poundal foot (pdl*ft) is a unit of energy in the foot–pound–second system representing the work done by a force of one poundal acting through a displacement of one foot.

How many joules are in one poundal foot?

One poundal foot is approximately equal to 0.0421401 joules.

Why convert poundal foot to kilojoule?

Converting poundal foot to kilojoule helps integrate legacy FPS-based energy values into modern SI units used in science, engineering, and industry.

How to Convert from Poundal foot [pdl*ft] to Kilojoule [kJ]

Learn how to convert energy values from poundal foot (pdl*ft), a unit in the FPS system, to kilojoule (kJ), an SI-derived energy unit widely used in scientific and engineering contexts.

Poundal foot [pdl*ft]

Kilojoule [kJ]

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

Poundal foot [pdl*ft] to Kilojoule [kJ] Conversion Table

Poundal foot [pdl*ft]	Kilojoule [kJ]

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.

Poundal foot [pdl*ft] to Kilojoule [kJ] Conversion Table
Poundal foot [pdl*ft]	Kilojoule [kJ]

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What Is This Tool?

This converter helps you translate energy measurements from poundal foot units used in the foot–pound–second system into kilojoules, which is the standard SI unit for energy. It facilitates bridging classical mechanics units with modern energy measurements.

How to Use This Tool?

Enter the energy value in poundal foot (pdl*ft)
Select poundal foot as the input unit and kilojoule as the output unit
Click the convert button to get the equivalent energy in kilojoules
Use the output for further scientific, engineering, or educational purposes

Key Features

Converts energy values from poundal foot (pdl*ft) to kilojoule (kJ)
Based on the defined conversion rate between FPS and SI units
Supports applications in classical mechanics, engineering, and thermodynamics
Browser-based and easy to use without needing manual calculations

Examples

Convert 10 pdl*ft to kilojoules to get 0.000421401 kJ
Convert 1000 pdl*ft, resulting in 0.0421401 kJ
These examples demonstrate converting small and larger energy quantities from FPS to SI units

Common Use Cases

Solving homework problems in classical mechanics using FPS units
Interpreting engineering documents originally using poundal foot units
Converting legacy mechanical energy data into SI units for modern analysis
Quantifying heat, work, and energy in engineering and thermodynamics

Tips & Best Practices

Ensure correct unit selection before conversion to avoid errors
Be cautious with very large or small values due to the small conversion factor
Understand that kilojoules represent 1,000 joules for accurate interpretation
Use this tool to standardize legacy data into SI units for consistency

Limitations

Poundal foot is not commonly used today, so conversion precision may be affected by rounding
Small conversion factor means extra care is needed when converting extreme values
Directly interpreting pdl*ft without conversion can lead to mistakes in energy calculations
Kilojoule values assume familiarity with the SI system and the joule as a base unit

Frequently Asked Questions

What is a poundal foot?: A poundal foot (pdl*ft) is a unit of energy in the foot–pound–second system representing the work done by a force of one poundal acting through a displacement of one foot.
How many joules are in one poundal foot?: One poundal foot is approximately equal to 0.0421401 joules.
Why convert poundal foot to kilojoule?: Converting poundal foot to kilojoule helps integrate legacy FPS-based energy values into modern SI units used in science, engineering, and industry.

Key Terminology

Poundal foot (pdl*ft): A unit of energy in the foot–pound–second system defined by the work done by one poundal force acting through one foot.
Kilojoule (kJ): An SI-derived energy unit equal to 1,000 joules, commonly used in scientific, engineering, and nutritional contexts.
Foot–pound–second (FPS) system: A system of units used historically in mechanics involving foot for length, poundal for force, and second for time.

Quick Knowledge Check

What unit system does the poundal foot belong to?

SI system

Foot–pound–second system

Metric system

One kilojoule equals how many joules?

10 joules

1000 joules

0.001 joules

Why should you convert legacy pdl*ft values to kilojoules?

To match measurement scales in FPS

To standardize energy data to SI units

To convert temperature units

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