Kinematics
viscosity = (Dynamic viscosity / Density) 
Square millimeter per second, Centistoke 
Defined by ASTM D216187 
Square centimeter per second, Stoke 

Square meter per hour 

Square meter per second 
Derived SIunit 
Square foot per second 

Square foot per hour 

Square inch per second 

Square inch per hour 

Saybolt Universal Seconds at 100ºF 
Defined by ASTM 
Saybolt Universal Seconds at 210ºF 
Defined by ASTM 
Saybolt Furol Seconds at 122ºF 
Defined by ASTM 
mm²/s (Centistoke ) is the unit
used for kinematic viscosity today: 
mm²/s at 40ºC for light oils 
Defined by ISO 8217:1987 
mm²/s at 50ºC, 80ºC or 100ºC for heavy
oils. 
Defined by ISO 8217:1987 
Use the FUEL OIL Calculation
program for calculations. 