Convert ton-force (long) [tonf (UK)] to kilogram-force [kgf] Online | Free force Converter

Ton-Force (Long) [tonf (UK)]


The long ton-force (also called the UK ton-force) is a unit of force based on the long ton, traditionally used in the United Kingdom.



  • A long ton equals 2,240 pounds (lbs).



  • The long ton-force is the force exerted by a long ton mass under standard gravity.



  • Mathematically:



1 tonf (UK)=2,240 lbs×9.80665 m/s29,964.02 newtons1 \text{ tonf (UK)} = 2,240 \text{ lbs} \times 9.80665 \text{ m/s}^2 \approx 9,964.02 \text{ newtons}

  • It is used in engineering and industries where the long ton is the standard measure of mass.



  • This unit is larger than the short ton-force and differs from the metric ton-force.


Kilogram-Force [kgf]


Kilogram-force (kgf) is a unit of force based on the force exerted by one kilogram of mass under standard gravity.



  • It is defined as the force exerted by a mass of 1 kilogram under Earth's gravitational acceleration (9.80665 m/s²).



  • Mathematically:



1 kgf=1 kg×9.80665 m/s2=9.80665 N1 \text{ kgf} = 1 \text{ kg} \times 9.80665 \text{ m/s}^2 = 9.80665 \text{ N}

  • Although not an SI unit, kilogram-force is commonly used in engineering and industries to express force more intuitively related to mass.



Example: A force of 10 kgf corresponds to approximately 98.07 newtons.




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