Convert pound-force [lbf] to femtonewton [fN] Online | Free force Converter

Pound-Force [lbf]


Pound-force (lbf) is a unit of force commonly used in the United States and some other countries using the Imperial system.



  • It is defined as the force exerted by gravity on a mass of one pound (lb) under standard Earth gravity.



  • Mathematically:



1 lbf=1 lbร—9.80665 m/s2โ‰ˆ4.44822 newtons1 \text{ lbf} = 1 \text{ lb} \times 9.80665 \text{ m/s}^2 \approx 4.44822 \text{ newtons}

  • Pound-force is widely used in engineering, mechanics, and everyday contexts in countries that use Imperial or US customary units.



  • It measures force similarly to how newtons do in the metric system but based on pounds instead of kilograms.



Femtonewton [fN]


Femtonewton is an ultra-small unit of force in the International System of Units (SI).



  • 1 femtonewton (fN) equals 10โˆ’1510^{-15} newtons (0.000000000000001 newton).



  • It is used in cutting-edge research fields like atomic physics, nanotechnology, and quantum mechanics to measure incredibly tiny forces.



  • To put it in perspective:



1 fN=0.000000000000001 N1 \text{ fN} = 0.000000000000001 \text{ N}

Femtonewtons enable precise measurement of forces at atomic and subatomic levels where minute interactions occur.




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