Dynamic Viscosity Unit Conversion

Dynamic viscosity is a property that describes the internal friction of fluids and their resistance to flow. In other words, it indicates how “thick” a liquid or gas is, or how strongly it resists deformation and motion under an applied force.
= …

Symbol: η (eta)

Dimension: [mass][length]−1[time]−1

SI Base Unit: pascal-second (Pa·s)

Other Common Units: poise (P), centipoise (cP)

\(1\; \textrm{Pa⋅s}\) (pascal-second)
Approximate value
Exact / definition
\(= 1.0\; \textrm{N⋅s/m}^2\)
\(= 1\; \textrm{N⋅s/m}^2\)
\(\approx 10\; \textrm{P}\)
\(= 10\; \textrm{P}\)
\(\approx 1000\; \textrm{cP}\)
\(= 1000\; \textrm{cP}\)
\(\approx 10\; \textrm{dyn⋅s/cm}^2\)
\(= 10\; \textrm{dyn⋅s/cm}^2\)
\(\approx 0.020885\; \textrm{lbm/(ft⋅s)}\)
\(= \frac{1}{1.48816}\; \textrm{lbm/(ft⋅s)}\)
\(\approx 0.020885\; \textrm{slug/(ft⋅s)}\)
\(= \frac{1}{47.8802589803}\; \textrm{slug/(ft⋅s)}\)
\(1\; \textrm{cP}\) (centipoise)
Approximate value
Exact / definition
\(= 0.001\; \textrm{Pa⋅s}\)
\(= 10^{-3}\; \textrm{Pa⋅s}\)
\(= 0.01\; \textrm{P}\)
\(= 10^{-2}\; \textrm{P}\)
\(1\; \textrm{P}\) (poise)
Approximate value
Exact / definition
\(= 0.1\; \textrm{Pa⋅s}\)
\(= 10^{-1}\; \textrm{Pa⋅s}\)
\(= 1\; \textrm{dyn⋅s/cm}^2\)
\(= 1\; \textrm{dyn⋅s/cm}^2\)
\(1\; \textrm{reyn}\) \(\; (= 1\; \textrm{lbf⋅s/in}^2)\)
Approximate value
Exact / definition
\(\approx 6.895\times 10^{3}\; \textrm{Pa⋅s}\)
\(= 6894.757293168361\; \textrm{Pa⋅s}\)