Precisely to the millilitre

Viscosity calculator

Viscosity is a measure of the resistance of a fluid to being deformed by either shear stress or extensional stress. It is commonly perceived as “thickness”, or resistance to flow. Viscosity describes a fluid’s internal resistance to flow and may be thought of as a measure of fluid friction.

Converter for viscosity


g cm-3

For a conversion between dynamic and kinematic viscosity

the correct density must be given.

Dynamic viscosity:
N s m-2

= kg m-1 s-1

= Pa s

dyn s cm-2

= g cm-1 s-1

= P


= mPa s

kg m-1 h-1
lb ft-1 s-1

= pdl s ft-2

lb in-1 s-1
Kinematic viscosity:
cm2 / s

= St

mm2 / s

= cSt

m2 / h
in2 / s
ft2 / s
ft2 / h



significant digits.

Decimal sign:

Overview of different viscosites:

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