Basic Viscosity

Shear Stress	/	Shear Rate	=	Viscosity
N/m² or Pa	/	(s-1)	=	cP or mPa·s
	/

Conversion from Rotational to Kinematic Viscosity

Poise	/	Density	=	Stokes
g/cm·s	/	g/cm3	=	cm²/s
	/

Conversion from Kinematic to Rotational Viscosity

Stokes	*	Density	=	Poise
cm²/s	*	g/cm3	=	g/cm·s
	*

Conversion from Kinematic to Saybolt Viscosity

Kin Vis	Temp
mm²/s (cSt)	°F	=	SUSt	SFS122°F	SFS210°F	SFSt

Krebs Unit (for Thomas^®-Stormer Viscometer)

Viscosity		KU	KU
mPa·s (cP)	=	200 to 2100	2100 to 5000

Viscosity Index

Temp 1 (°C)		Temp 2 (°C)
				Viscosity Index
Kin Vis 1		Kin Vis 2
mm²/s (cSt)		mm²/s (cSt)