What is centipoise (cP)?

Centipoise is a CGS unit of dynamic viscosity equal to one hundredth of a poise and corresponds to 1×10^-3 pascal-second. It measures a fluid’s resistance to flow.

When should I use pound-force second per square inch?

This unit is typically used to report viscosity of very thick fluids like heavy oils, greases, or bitumen in US customary and industrial settings.

Why is the conversion factor from cP to lbf·s/in² so small?

Because centipoise is a CGS unit and pound-force second per square inch is an Imperial unit, the conversion involves scaling between very different measurement systems, resulting in a small factor.

Convert Centipoise [cP] to Pound-force second/sq. inch | Viscosity Unit Converter

Easily convert dynamic viscosity values from centipoise (cP) to pound-force second per square inch (lbf·s/in²). Understand uses, examples, and how to accurately perform conversions for various engineering and industrial applications.

Centipoise [cP]

Pound-force second/sq. inch

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Centipoise [cP] to Pound-force second/sq. inch Conversion Table

Centipoise [cP]	Pound-force second/sq. inch

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

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Centipoise [cP] to Pound-force second/sq. inch Conversion Table
Centipoise [cP]	Pound-force second/sq. inch

Explore More Viscosity Dynamic Units Converter

What Is This Tool?

This converter allows you to translate dynamic viscosity measurements from centipoise (cP), a CGS unit, to pound-force second per square inch (lbf·s/in²), an Imperial unit. It is useful for converting viscosity values for fluids, especially when working with very thick materials or interpreting data in US customary units.

How to Use This Tool?

Enter the viscosity value in centipoise (cP) into the input field.
Select 'centipoise [cP]' as the source unit.
Choose 'pound-force second/sq. inch' as the target unit for conversion.
Click the convert button to display the value in pound-force second per square inch (lbf·s/in²).

Key Features

Converts dynamic viscosity from centipoise to pound-force second per square inch.
Supports viscosity measurements commonly used in laboratories, manufacturing, and engineering.
Helps interpret and translate viscosity values between CGS and Imperial/US customary units.
Browser-based tool with straightforward conversion capabilities.

Examples

10 cP converts to 1.4503773773021e-6 pound-force second per square inch.
100 cP converts to 1.4503773773021e-5 pound-force second per square inch.

Common Use Cases

Reporting viscosity for thick greases and heavy oils in US customary engineering.
Describing rheology of polymer melts and adhesives in industrial process specifications.
Converting legacy viscosity data originally measured in psi·s units.

Tips & Best Practices

Confirm the units before starting any conversion to ensure accuracy.
Use the tool mainly for highly viscous fluids where the pound-force second/sq. inch is appropriate.
Be cautious with very small values due to the tiny conversion factor and possible rounding errors.

Limitations

Conversion involves a very small factor, requiring attention to numerical precision for small viscosities.
Using pound-force second per square inch for low viscosity fluids such as water may result in impractically small numbers.
The unit is best suited for very thick fluids; avoid using it for light liquids to prevent rounding inaccuracies.

Frequently Asked Questions

What is centipoise (cP)?: Centipoise is a CGS unit of dynamic viscosity equal to one hundredth of a poise and corresponds to 1×10^-3 pascal-second. It measures a fluid’s resistance to flow.
When should I use pound-force second per square inch?: This unit is typically used to report viscosity of very thick fluids like heavy oils, greases, or bitumen in US customary and industrial settings.
Why is the conversion factor from cP to lbf·s/in² so small?: Because centipoise is a CGS unit and pound-force second per square inch is an Imperial unit, the conversion involves scaling between very different measurement systems, resulting in a small factor.

Key Terminology

Centipoise [cP]: A CGS unit of dynamic viscosity equal to 0.01 poise or 1×10^-3 pascal-second, used to describe a fluid’s internal resistance to flow.
Pound-force second per square inch (lbf·s/in²): An Imperial/US customary unit of dynamic viscosity that relates shear stress to shear rate, commonly used for thick fluids in US engineering contexts.
Dynamic Viscosity: A property of fluids expressing resistance to flow or internal friction when subjected to shear.

Quick Knowledge Check

Which unit is typically used to measure the viscosity of common liquids like water?

Pound-force second per square inch

Centipoise

Pascal-second

For which type of fluids is pound-force second per square inch most appropriate?

Low viscosity fluids

Very thick greases and heavy oils

Gases

What does the centipoise measure?

Fluid density

Dynamic viscosity

Temperature

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