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Force Converter

Convert between newtons, kilogram-force, pound-force and more

About Force Conversion

Force is any interaction that, when unopposed, changes the motion of an object. The SI unit of force is the newton (N), defined as the force needed to accelerate one kilogram by one meter per second squared. In structural engineering, kilonewtons (kN) and kips (1,000 pounds-force) are the standard units for load calculations.

Kilogram-force (kgf) and pound-force (lbf) are gravitational units that represent the force exerted by standard gravity on one kilogram or one pound of mass respectively. While technically not SI units, they remain widely used in engineering practice, particularly in older documentation and certain industries. One kgf equals 9.80665 N, the standard acceleration due to gravity.

The dyne, from the CGS (centimeter-gram-second) system, equals 0.00001 N and is occasionally encountered in older scientific literature. Understanding force unit conversions is essential for mechanical engineers, structural engineers, and physicists working across different measurement systems and historical standards.