Convert pound-force square second/foot to stone (US)
Please provide values below to convert pound-force square second/foot [lbf·s²/ft] to stone (US) [st (US)], or Convert stone (US) to pound-force square second/foot.
How to Convert Pound-Force Square Second/foot to Stone (Us)
1 lbf·s²/ft = 2.29814632545831 st (US)
Example: convert 15 lbf·s²/ft to st (US):
15 lbf·s²/ft = 15 × 2.29814632545831 st (US) = 34.4721948818747 st (US)
Pound-Force Square Second/foot to Stone (Us) Conversion Table
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Pound-Force Square Second/foot
A unit of dynamic force-time product, representing pound-force multiplied by seconds squared per foot, used in engineering contexts to measure force-related quantities over time and distance.
History/Origin
The unit originated from the British imperial system, combining the pound-force with a time squared and length unit to quantify specific force-time interactions, primarily in mechanical and structural engineering applications.
Current Use
Currently, the unit is rarely used in modern engineering, but it may appear in specialized calculations involving force, time, and distance in legacy systems or theoretical analyses within the imperial measurement framework.
Stone (Us)
A stone (st) is a unit of weight primarily used in the United States, equal to 14 pounds or approximately 6.35 kilograms.
History/Origin
The stone has origins in medieval England, where it was used as a convenient weight measure for trade and commerce. Its value varied regionally before standardization, and it has been used historically for measuring human body weight and other goods.
Current Use
Today, the stone is mainly used in the UK and Ireland for body weight measurement, while in the United States, it is rarely used and often replaced by pounds or kilograms in most contexts.