Pounds-force to Kilonewtons Converter

To convert a measurement in pounds-force to kilonewtons, multiply the value by 0.004448221615. The conversion factor comes from the relationship between both units and the newton.

For example, to convert 5 lbf to kilonewtons: 5 × 0.004448221615 = 0.022241108076 kN.

A pound-force is the force exerted by gravity on a mass of one avoirdupois pound under standard gravity, equal to exactly 4.4482216152605 newtons. The pound-force comes from the imperial and US customary systems, where the pound has historically served as both a unit of mass and of force. It remains standard in US engineering practice.

Common uses of pounds-force include: US mechanical and aerospace engineering; Torque and fastener tension specifications; Rocket and jet engine thrust ratings; Load ratings for hardware and fasteners.

A kilonewton is a metric unit of force equal to 1,000 newtons. One kilonewton is roughly the weight of a 102 kg mass under standard gravity. The kilonewton became the practical working unit in civil and structural engineering because typical loads on beams, foundations, and cables are far larger than a single newton.

Common uses of kilonewtons include: Structural engineering loads and reactions; Crane and hoist capacity ratings; Climbing and rigging equipment strength ratings; Vehicle and aircraft thrust specifications.

Here are some common values converted:

1 lbf = 0.004448221615 kN 5 lbf = 0.022241108076 kN 10 lbf = 0.044482216153 kN 50 lbf = 0.222411080763 kN 100 lbf = 0.444822161526 kN