Pound-Force

lbf

Commonly Used

The pound-force is the force unit in the imperial system, representing the gravitational force on one pound mass at Earth's surface.

Quick Converter

1 pound-force = kilonewton

Controls display format. Very small or very large numbers will be shown in scientific notation (e.g., 1.5e-6).

Pound-Force (lbf)

The pound-force is the force unit in the imperial system, representing the gravitational force on one pound mass at Earth’s surface.

Characteristics

  • Symbol: lbf or lbf
  • 1 lbf = 4.44822 N
  • Imperial system unit
  • Based on Earth’s gravity

Applications

  • USA and UK engineering practices
  • Aerospace specifications
  • Automotive force measurements
  • Equipment ratings and specifications
  • HVAC and mechanical systems

Related Units

Used In Regions

USA UK Imperial System
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