What Is This Tool?
This converter transforms force measurements from hectonewton, an SI derived unit, to pound foot per square second, a unit in the foot–pound–second system. It helps users easily translate force values expressed in hundreds of newtons into imperial units involving mass and acceleration.
How to Use This Tool?
-
Enter the force value in hectonewtons into the input field.
-
Select hectonewton [hN] as the unit to convert from.
-
Choose pound foot/square second as the target unit.
-
Click the convert button to get the equivalent force value.
-
Use the result to interpret forces in FPS unit scenarios.
Key Features
-
Converts force units from hectonewton [hN] to pound foot/square second [lb·ft/s²].
-
Provides precise conversion based on established equivalence of 1 hN = 723.301385121 lb·ft/s².
-
Supports engineering, classroom, and legacy documentation needs.
-
Browser-based and simple to use without any installation.
-
Facilitates working across SI and FPS measurement systems.
Examples
-
1 hN is equal to 723.301 pound foot/square second.
-
2 hN converts to 1446.602 pound foot/square second.
Common Use Cases
-
Specifying moderate tensile forces on bolts, anchors, or cables around the hundred newton range.
-
Reporting thrust or linear forces from electric motors in engineering datasheets.
-
Solving classroom mechanics problems that use FPS units with pound mass and foot per second squared.
-
Conducting mechanical testing where forces are measured near 100 N values.
-
Interpreting legacy engineering documents that employ FPS force units.
Tips & Best Practices
-
Double-check units to avoid confusing poundal (lb·ft/s²) with pound-force (lbf).
-
Use this converter for approximate force equivalence between SI and FPS systems.
-
Apply conversions in contexts where mass-based force units are appropriate.
-
Keep consistent unit systems in engineering calculations to prevent errors.
-
Refer to this tool when working with older technical documents or legacy data sets.
Limitations
-
Pound foot/square second (poundal) is less common than pound-force in modern engineering.
-
Care is needed to distinguish between poundal and pound-force units to avoid confusion.
-
Conversion precision may be affected by rounding; suitable mainly for approximate equivalence.
-
Not intended for conversions involving units outside the specified SI and FPS definitions.
Frequently Asked Questions
-
What is a hectonewton?
-
A hectonewton is an SI derived unit of force equal to 100 newtons, often used to express moderate forces in scientific and engineering contexts.
-
What does pound foot per square second measure?
-
It is a force unit in the foot–pound–second system where one poundal equals the force needed to accelerate a one-pound mass at one foot per second squared.
-
When should I use this conversion?
-
Use it when you need to translate force values from SI hundreds of newtons into the FPS system for applications involving mass and acceleration in imperial units.
Key Terminology
-
Hectonewton [hN]
-
An SI derived unit of force equal to 100 newtons used for expressing moderate forces.
-
Pound foot/square second (poundal)
-
A unit of force in the FPS system equal to the force needed to accelerate one pound mass at one foot per second squared.
-
Force
-
A physical quantity representing an interaction that changes the motion of an object.