An erg is a CGS unit of energy equal to 1×10⁻⁷ joule, commonly used in astrophysics and laboratory physics to measure small-scale energy.

What does pound-force foot represent?

Pound-force foot is an imperial unit of energy corresponding to the work done by a one-pound force acting through one foot, and it is also used to report torque.

Why are converted values often very small?

Because the erg is a much smaller unit than the pound-force foot, conversions to pound-force foot result in very small decimal values.

How to Convert from Erg to Pound-force foot [lbf*ft]

Learn how to convert energy measurements from erg, the CGS unit, to pound-force foot [lbf*ft], an imperial unit used for mechanical work and torque.

Erg

Pound-force foot [lbf*ft]

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Erg to Pound-force foot [lbf*ft] Conversion Table

Erg	Pound-force foot [lbf*ft]

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Erg to Pound-force foot [lbf*ft] Conversion Table
Erg	Pound-force foot [lbf*ft]

Explore More Energy Units Converter

What Is This Tool?

This converter transforms energy values from erg, a centimeter-gram-second unit used in astrophysics and laboratory physics, to pound-force foot, an imperial unit representing mechanical work and torque.

How to Use This Tool?

Enter the value in erg that you want to convert.
Select erg as the from-unit and pound-force foot [lbf*ft] as the to-unit.
Click the convert button to obtain the equivalent value in pound-force foot.
Review the converted result and apply it to your calculations or data.

Key Features

Converts small-scale energy units from erg to pound-force foot accurately.
Supports energy and mechanical work applications in both CGS and imperial systems.
Useful for astrophysics, classical mechanics, engineering, and torque calculations.
Browser-based and easy to use for quick conversions.

Examples

1 erg converts to 7.375621493e-8 pound-force foot [lbf*ft].
10,000 ergs converts to 7.375621493e-4 pound-force foot [lbf*ft].

Common Use Cases

Translating astrophysical energy measurements from CGS units to imperial units.
Converting laboratory physics energy data for mechanical work calculations.
Interpreting legacy engineering and ballistics data reported in foot-pounds.
Quoting torque specifications, such as for tools or fasteners, in imperial units.

Tips & Best Practices

Use scientific notation for very small converted values to maintain clarity.
Understand that pound-force foot units represent both energy and torque but refer to distinct physical concepts.
Verify the context of your data to apply the conversion appropriately.

Limitations

Due to the erg's extremely small size relative to the pound-force foot, resulting values are often very small and may require scientific notation.
Torque and energy share the same unit symbol (lbf*ft) but are different physical quantities; interpretation requires care.

Frequently Asked Questions

What is an erg?: An erg is a CGS unit of energy equal to 1×10⁻⁷ joule, commonly used in astrophysics and laboratory physics to measure small-scale energy.
What does pound-force foot represent?: Pound-force foot is an imperial unit of energy corresponding to the work done by a one-pound force acting through one foot, and it is also used to report torque.
Why are converted values often very small?: Because the erg is a much smaller unit than the pound-force foot, conversions to pound-force foot result in very small decimal values.

Key Terminology

Erg: A CGS unit of energy equal to 1×10⁻⁷ joule used to measure small-scale mechanical, thermal, or electromagnetic energy.
Pound-force foot [lbf*ft]: An imperial unit of energy and torque representing the work done by a force of one pound-force acting through a displacement of one foot.
Torque: A measure of rotational force; shares the same unit symbol as energy in lbf*ft but is a distinct physical quantity.

Quick Knowledge Check

Which unit is part of the CGS system?

Pound-force foot

Erg

Foot-pound

What quantity does pound-force foot commonly measure besides energy?

Torque

Temperature

Pressure

Why might scientific notation be necessary when converting erg to pound-force foot?

Because erg is larger than pound-force foot

Because erg is much smaller than pound-force foot

Because both units are equal

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