Stokes (unit)
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The stokes is the cgs physical unit for kinematic viscosity. It is abbreviated S or St, and was named after George Gabriel Stokes. It is sometimes expressed in terms of centistokes (cS or cSt). In U.S. usage stoke is sometimes used as the singular form; the plural form is always stokes.
The SI physical unit of kinematic viscosity is the metre squared per second (m²/s).
1 stokes = 100 centistokes = 1 cm²/s = 0.0001 m²/s
1 centistokes = 1 mm²/s
See also
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