Convert pound-force to petanewton
Please provide values below to convert pound-force [lbf] to petanewton [PT], or Convert petanewton to pound-force.
How to Convert Pound-Force to Petanewton
1 lbf = 4.44822162e-15 PT
Example: convert 15 lbf to PT:
15 lbf = 15 × 4.44822162e-15 PT = 6.67233243e-14 PT
Pound-Force to Petanewton Conversion Table
| pound-force | petanewton |
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Pound-Force
Pound-force (lbf) is a unit of force in the imperial system, defined as the force required to accelerate a one-pound mass at a rate of 32.174 feet per second squared.
History/Origin
The pound-force originated from the British Imperial system and has been used historically in engineering and physics to quantify force, especially in the United States and the UK, before the widespread adoption of the SI system.
Current Use
Today, pound-force is primarily used in the United States and some other countries for engineering, manufacturing, and mechanical applications where imperial units are still prevalent, often in contexts like specifying engine torque or structural loads.
Petanewton
A petanewton (PT) is a unit of force equal to 10^15 newtons, used for measuring extremely large forces.
History/Origin
The petanewton was introduced as part of the SI prefixes to facilitate the expression of very large forces, although it is rarely used in practical applications due to the scale of forces involved.
Current Use
The petanewton is primarily used in scientific contexts involving large-scale forces, such as astrophysics and cosmology, but remains a theoretical unit with limited practical application.