What does the poise unit measure?

The poise measures dynamic (absolute) viscosity, representing a fluid's internal resistance to shear flow.

Why convert from poise to pound-force second per square inch?

Conversion allows comparison of viscosity data between metric (CGS) and Imperial/US customary systems, especially for engineering and industrial applications.

Is this tool suitable for converting all types of viscosity units?

No, it specifically converts between poise and pound-force second per square inch units.

How to Convert from Poise [P] to Pound-force second/sq. inch?

Learn how to convert dynamic viscosity values from poise (P) to pound-force second per square inch (lbf·s/in²) using this detailed unit converter guide.

Poise [P]

Pound-force second/sq. inch

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Poise [P] to Pound-force second/sq. inch Conversion Table

Poise [P]	Pound-force second/sq. inch

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Start Value

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

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Poise [P] to Pound-force second/sq. inch Conversion Table
Poise [P]	Pound-force second/sq. inch

Explore More Viscosity Dynamic Units Converter

What Is This Tool?

This tool converts dynamic viscosity values from poise, a CGS unit, to pound-force second per square inch, an Imperial/US customary unit. It helps users compare fluid resistance measurements between metric and US customary systems.

How to Use This Tool?

Enter the viscosity value in poise into the input field
Select poise as the starting unit and pound-force second per square inch as the target unit
Click convert to get the equivalent viscosity in pound-force second per square inch
Use the result to compare or interpret viscosity data across different measurement systems

Key Features

Converts dynamic viscosity from poise (P) to pound-force second per square inch (lbf·s/in²)
Uses precise conversion values linking CGS and Imperial/US units
Supports unit reconciliation for engineering and industrial applications involving viscosity
Browser-based and straightforward interface for quick conversions

Examples

10 poise equals 0.000145038 pound-force second per square inch
100 poise equals 0.00145038 pound-force second per square inch

Common Use Cases

Specifying viscosities of lubricants and motor oils in tribology and engine design
Characterizing flow behavior of polymer melts and viscous industrial fluids
Reporting viscosity of heavy greases, oils, and bitumen in US customary engineering
Interpreting legacy technical reports with psi-based viscosity measurements
Describing rheological properties in industrial polymer and adhesive processing

Tips & Best Practices

Verify unit system compatibility before converting between metric and Imperial units
Consider the magnitude difference due to the small conversion factor when handling significant digits
Use this tool primarily for viscous materials where US customary units or legacy data are involved
Compare results carefully when reconciling data across different viscosity measurement systems

Limitations

Conversion involves units from different measurement systems, requiring attention to unit consistency
The conversion factor is very small, so rounding errors may affect precision
Best suited for applications involving viscous materials where pound-force second per square inch units are standard or historical
Not intended for viscosity units outside poise and pound-force second per square inch

Frequently Asked Questions

What does the poise unit measure?: The poise measures dynamic (absolute) viscosity, representing a fluid's internal resistance to shear flow.
Why convert from poise to pound-force second per square inch?: Conversion allows comparison of viscosity data between metric (CGS) and Imperial/US customary systems, especially for engineering and industrial applications.
Is this tool suitable for converting all types of viscosity units?: No, it specifically converts between poise and pound-force second per square inch units.

Key Terminology

Poise (P): A CGS unit of dynamic viscosity defined as 1 g·cm⁻1·s⁻1, quantifying fluid resistance to shear flow.
Pound-force second per square inch (lbf·s/in²): An Imperial/US customary unit of dynamic viscosity relating shear stress to shear rate, used in heavy oil and grease measurements.
Dynamic viscosity: A measure of a fluid's internal resistance to flow when subjected to shear stress.

Quick Knowledge Check

What type of measurement is converted by this tool?

Length

Dynamic viscosity

Temperature

Which unit is the starting point in this conversion?

Pound-force second per square inch

Poise

Pascal-second

In which contexts is this conversion especially useful?

Industrial and engineering applications involving viscosity

Measuring temperature changes in fluids

Calculating flow rates of gases

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