What does pound-force second/sq. foot measure?

It measures dynamic (absolute) viscosity, quantifying a fluid's resistance to shear flow in Imperial units.

When should I use the pound/foot/hour unit?

Use it when specifying fluid viscosity in imperial units with time expressed in hours, common in legacy or regional engineering data.

Can I use this conversion for kinematic viscosity?

No, this conversion is only valid for dynamic viscosity under consistent velocity gradient and shear stress conditions.

Convert Pound-force second/sq. foot to Pound/foot/hour [lb/(ft*h)] - Viscosity Dynamic Units

Easily convert dynamic viscosity from pound-force second per square foot (lbf·s/ft²) to pound per foot per hour (lb/(ft·h)) using our online unit converter for Imperial viscosity units.

Pound-force second/sq. foot

Pound/foot/hour [lb/(ft*h)]

Please check your input. It must be a valid numeric value.

Pound-force second/sq. foot to Pound/foot/hour [lb/(ft*h)] Conversion Table

Pound-force second/sq. foot	Pound/foot/hour [lb/(ft*h)]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Pound-force second/sq. foot to Pound/foot/hour [lb/(ft*h)] Conversion Table
Pound-force second/sq. foot	Pound/foot/hour [lb/(ft*h)]

Explore More Viscosity Dynamic Units Converter

What Is This Tool?

This converter helps you transform viscosity dynamic values from pound-force second per square foot, an Imperial unit measuring fluid resistance to shear flow, into pound per foot per hour, another imperial viscosity unit tailored for hour-based time measurements.

How to Use This Tool?

Enter the value in pound-force second per square foot you wish to convert
Choose pound/foot/hour [lb/(ft*h)] as the target unit
Click the convert button to get the result instantly
Refer to the examples section to verify your conversion efforts

Key Features

Converts between two specialized viscosity dynamic units in the Imperial system
Supports legacy and regional engineering data formats using hour or second time units
Browser-based and user-friendly interface for quick calculations
Provides accurate unit conversion based on fixed rate of 1 lbf·s/ft² = 115826.57480287 lb/(ft·h)
Includes example conversions for clarity and ease of understanding

Examples

Converting 1 lbf·s/ft² results in 115826.5748 lb/(ft·h)
Converting 0.5 lbf·s/ft² results in 57913.2874 lb/(ft·h)

Common Use Cases

Testing and specification of viscosity for heavy oils, greases, and petroleum-based fluids using Imperial units
Pipe flow and pump design calculations in engineering scenarios requiring viscosity in lbf·s/ft² or lb/(ft·h)
Viscosity reporting for lubricants and oils in legacy and regional technical documents
Viscous flow calculations for rotating equipment, bearings, and piping systems in imperial units

Tips & Best Practices

Always double-check unit selections to ensure correct conversions between time units
Consider the large numerical scaling due to seconds-to-hours conversion to avoid misinterpretations
Use this tool specifically for dynamic viscosity conversions where velocity gradient and shear stress context apply
Avoid mixing this dynamic viscosity conversion with kinematic viscosity calculations
Refer to engineering application context to select appropriate units aligning with legacy or regional standards

Limitations

Conversion leads to significant numerical increase because of converting seconds into hours, requiring careful attention
This unit pairing applies only to dynamic viscosity under consistent velocity gradient and area assumptions
Not suitable for conversions involving kinematic viscosity units or differing physical measurement contexts

Frequently Asked Questions

What does pound-force second/sq. foot measure?: It measures dynamic (absolute) viscosity, quantifying a fluid's resistance to shear flow in Imperial units.
When should I use the pound/foot/hour unit?: Use it when specifying fluid viscosity in imperial units with time expressed in hours, common in legacy or regional engineering data.
Can I use this conversion for kinematic viscosity?: No, this conversion is only valid for dynamic viscosity under consistent velocity gradient and shear stress conditions.

Key Terminology

Pound-force second/sq. foot: An Imperial dynamic viscosity unit measuring resistance to shear flow as force times time over area.
Pound/foot/hour [lb/(ft*h)]: An Imperial engineering unit expressing dynamic viscosity with force·time per unit area using hour-based time units.
Dynamic Viscosity: A property of fluids describing internal resistance to shear stress, represented as μ = τ / (du/dy).

Quick Knowledge Check

Which unit measures dynamic viscosity as force time per unit area in imperial units?

Pound per foot per hour [lb/(ft*h)]

Pound-force second per square foot

Pound per square inch

What is the conversion rate from lbf·s/ft² to lb/(ft·h)?

115826.57480287

0.00864

47.880

Why must you be cautious when converting between these units?

Because viscosity type changes

Due to significant numerical increase from seconds to hours conversion

Because they belong to different measurement categories

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