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Viscosity

lb/(ft·s)tolb/(ft·hr)

Convert pounds per foot-second (lb/(ft·s)) to pounds per foot-hour (lb/(ft·hr)).

Factor1 lb/(ft·s) = 3600 lb/(ft·hr)

Converter

lb/(ft·s)

Accepts numbers or expressions, e.g. 150 + 14.7

Result
3600lb/(ft·hr)

Rendered to 6 significant figures.

Formula

Formula
lb/(ft·hr) = lb/(ft·s) × 3600

Multiply any value in pounds per foot-second by 3600 to obtain the value in pounds per foot-hour.

Worked example

Convert 1 lb/(ft·s) to lb/(ft·hr).

  1. 01Start with 1 lb/(ft·s).
  2. 02Multiply by the conversion factor: 1 × 3600 = 3600 lb/(ft·hr).
Result1 lb/(ft·s) = 3600 lb/(ft·hr)

Conversion table

lb/(ft·s)lb/(ft·hr)
13600
27200
518000
1036000
2072000
501.8000e+5
1003.6000e+5
2007.2000e+5
5001.8000e+6
10003.6000e+6

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from lb/(ft·s) to lb/(ft·hr)?
1 lb/(ft·s) equals 3600 lb/(ft·hr). To convert, multiply the value in pounds per foot-second by 3600.
How do I convert 1 lb/(ft·s) to lb/(ft·hr)?
1 lb/(ft·s) = 3600 lb/(ft·hr). For any value, multiply by 3600.
How do I convert lb/(ft·hr) back to lb/(ft·s)?
Divide by the same factor — or equivalently, multiply by 0.0002777778. So 1 lb/(ft·hr) = 0.000277778 lb/(ft·s).
When would I need to convert pound per foot-second to pound per foot-hour?
Dynamic viscosity conversions between lb/(ft·s) and lb/(ft·hr) are common in fluid characterisation, pump and control valve sizing, pipeline pressure-drop calculations, and lubrication engineering. Centipoise (cP) and mPa·s are the most widely used units in process datasheets; Pa·s is required for most simulation tools.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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