Pound foot/square second to Kilonewton Conversion
Convert between Pound foot/square second and Kilonewton quickly and accurately.
How to Convert Pound foot/square second to Kilonewton
Conversion Formula
Example
Convert 15 lb⋅ft/s² to kN:
Unit Information
Learn about the force units you're converting between
Pound foot/square second
lb⋅ft/s²
Definition
Pound foot per square second is a unit of force in the foot-pound-second (FPS) system of units. It is defined as the force required to accelerate a mass of one pound at a rate of one foot per second squared. This unit is equivalent to one poundal.
History/Origin
Pound foot per square second was introduced as part of the FPS (foot-pound-second) system of units in the 19th century. It was widely used in physics and engineering before the adoption of the MKS (meter-kilogram-second) system. The unit represents the fundamental relationship between mass, acceleration, and force.
Current Use
Still used in some areas of physics and engineering, particularly in the United States. Common in some engineering applications where the FPS system is still used. Used in some scientific instruments and laboratory equipment that were designed using the FPS system.
Multiplier
0.138
Offset
0
Kilonewton
kN
Definition
A kilonewton equals 1,000 Newtons and is commonly used for larger force measurements in engineering applications. It provides a more convenient unit for expressing substantial forces without using large numbers. Kilonewtons are essential in structural engineering, automotive testing, and industrial applications.
History/Origin
The kilonewton emerged as a practical unit in engineering applications where forces exceed thousands of Newtons. It became standardized as part of the metric system's decimal prefixes. The prefix "kilo" (meaning thousand) was applied to create a more manageable unit for large force measurements.
Current Use
Extensively used in structural engineering for measuring building loads, bridge capacities, and foundation forces. Common in automotive industry for crash testing and safety ratings. Used in aerospace engineering for thrust measurements and in civil engineering for dam and bridge design calculations.
Multiplier
1000
Offset
0
Pound foot/square second to Kilonewton Conversion Table
| Pound foot/square second [lb⋅ft/s²] | Kilonewton [kN] |
|---|---|
| 1 lb⋅ft/s² | 0.000138 kN |
| 10 lb⋅ft/s² | 0.001383 kN |
| 25 lb⋅ft/s² | 0.003456 kN |
| 50 lb⋅ft/s² | 0.006913 kN |
| 100 lb⋅ft/s² | 0.013825 kN |
| 0 lb⋅ft/s² | 0E+0 kN |
| -10 lb⋅ft/s² | -0.001383 kN |
| -40 lb⋅ft/s² | -0.00553 kN |
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