Convert poundal [pdl] to joule/centimeter [J/cm] Online | Free force Converter

Poundal [pdl]


The poundal is a unit of force in the foot-pound-second (FPS) system, mainly used in the United States.



  • It is defined as the force required to accelerate a one-pound mass by one foot per second squared.



  • Mathematically:



1 pdl=1 lb×1 ft/s2=0.138255 newtons1 \text{ pdl} = 1 \text{ lb} \times 1 \text{ ft/s}^2 = 0.138255 \text{ newtons}

  • The poundal is smaller than the pound-force since Earth's gravity accelerates a pound mass at approximately 32.174 ft/s², making:



1 lbf=32.174 pdl1 \text{ lbf} = 32.174 \text{ pdl}

  • It is mostly of historical interest and rarely used in modern engineering but can appear in classical mechanics problems using the FPS system.


Joule per Centimeter [J/cm]


Joule per centimeter is a unit of energy per unit length.



  • It measures how much energy is distributed or transferred over each centimeter.



  • Since 1 centimeter = 0.01 meter, joule per centimeter is related to joule per meter by:



1 J/cm=100 J/m1 \text{ J/cm} = 100 \text{ J/m}

  • Like joule per meter, this unit is used to describe energy density along a line, such as tension in a wire or energy stored per unit length in materials.



  • Also, it can relate to force, since:



1 J/m=1 N    1 J/cm=100 N1 \text{ J/m} = 1 \text{ N} \implies 1 \text{ J/cm} = 100 \text{ N}

Thus, joule per centimeter expresses a larger force equivalent compared to joule per meter.



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