What Is This Tool?
This tool converts dynamic viscosity measurements from pound/foot/hour, an imperial engineering unit, to newton second per square meter, the SI standard unit. It helps translate legacy or customary-unit viscosity data into a globally recognized metric format for scientific and technical use.
How to Use This Tool?
-
Enter the viscosity value in pound/foot/hour [lb/(ft*h)] in the input field
-
Select the input unit as pound/foot/hour and the output unit as newton second/square meter
-
Click the convert button to get the corresponding value in newton second/square meter
-
Review the converted value for use in scientific or engineering calculations
-
Use the results for compatibility with SI-based viscosity specifications
Key Features
-
Converts viscosity values between pound/foot/hour and newton second/square meter
-
Simple interface for entering values and obtaining immediate results
-
Supports legacy engineering data and modern SI unit requirements
-
Facilitates integration of imperial viscosity data into international workflows
-
Browser-based tool accessible without installation
Examples
-
Convert 5 lb/(ft*h) to newton second/square meter: 5 × 0.0004133789 = 0.0020668945 N·s/m²
-
Convert 10 lb/(ft*h) to newton second/square meter: 10 × 0.0004133789 = 0.004133789 N·s/m²
Common Use Cases
-
Specifying lubricant viscosity in engineering documents that use US customary units
-
Performing viscous flow calculations in piping, bearings, or rotating equipment in imperial units
-
Reporting viscosity of fuels, industrial fluids, or process liquids in regional technical reports
-
Translating legacy viscosity data into SI units for computational fluid dynamics and global standards
-
Supporting fluid flow modeling and rheological characterization in petroleum and chemical industries
Tips & Best Practices
-
Verify that viscosity values correspond to steady-state and uniform shear conditions before converting
-
Account for temperature and pressure effects on viscosity separately from unit conversion
-
Use the tool to convert values consistently when integrating data from different measurement systems
-
Avoid direct conversion in transient analyses without proper time scale adjustment
-
Cross-check converted values with original data to ensure accuracy in engineering calculations
Limitations
-
The conversion assumes steady-state viscosity without accounting for temperature or pressure variations
-
Direct conversion using hour-based time units may lead to interpolation inaccuracies in transient conditions
-
This tool does not provide viscosity measurement or experimental data; it only performs unit conversion
-
Applicability is limited to the specified units and does not extend to other viscosity units
-
Users should consider domain-specific factors that affect viscosity beyond unit conversion
Frequently Asked Questions
-
What does pound/foot/hour measure in terms of viscosity?
-
Pound/foot/hour is an imperial unit expressing dynamic viscosity, representing a fluid's resistance to shear as force times time per unit area.
-
Why convert viscosity from pound/foot/hour to newton second/square meter?
-
Converting to newton second/square meter, the SI unit, ensures standardization for scientific calculations and compatibility with international engineering practices.
-
Can this converter be used for transient viscosity data?
-
Direct conversion may introduce errors for transient analyses due to hour-based time units; proper time scale adjustments are recommended.
Key Terminology
-
Pound/foot/hour [lb/(ft*h)]
-
An imperial unit measuring dynamic viscosity as force times time per unit area, used in legacy engineering contexts.
-
Newton second/square meter (N·s/m²)
-
The SI unit of dynamic viscosity quantifying a fluid’s internal resistance to shear, equivalent to pascal-second.
-
Dynamic viscosity
-
A property of fluids expressing their internal resistance to flow and shear stress under applied force.