The diagram below indicates the minimum and maximum viscosities in centistokes for equivalent ISO-VG grades at temperature 40oC.
ISO VG stands for "International Standards Organization Viscosity Grade" and is a number ranged from 2 to 1500.
Equivalent Viscosities of ISO-VG Grades at 40oC and SAE Crankcase Oil Grades
|ISO-VG Grade||SAE Crankcase Oil Grade|
Equivalent Viscosities of ISO-VG Grades at 40oC and SAE Aircraft Oil Grades
|ISO-VG Grade||SAE Aircraft Oil Grade|
Equivalent Viscosity of ISO-VG Grades at 40oC and SAE Gear Lube Grades
|ISO-VG Grade||SAE Gear Lube Grade|
Equivalent Viscosity of ISO-VG Grades at 40oC and AGMA Gear Lube Grades
|ISO-VG Grade||AGMA Gear Lube Grade|
ISO-VG Grades - Absolute Viscosity vs. Temperature, Reyns vs. Fahrenheit
ISO-VG Grades - Absolute Viscosity vs. Temperature, centiPoise vs. Celsius
- tC = 5/9(tF - 32)
- tF = 9/5 tC + 32
- 1 reyns (lb s/in2) = 6896.55 (Pa s)
- 1 cSt (centiStoke) = 1 centiPoise / SG
- SG = specific gravity of oil
Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
Viscosities of products and chemical species at varying conditions.
Convert between dynamic or absolute viscosity units - Poiseuille, Poise, centPoise and more.
Hydrodynamic losses through pumps depends on fluid viscosities.
Convert dynamic viscosity values between units like Poiseuille - Poise - centiPoise and more.
Friction and efficiency in bearings and roller chains.
Oil viscosity vs. temperature.
Temperature limits for grease - a combination of oil and thickener.
Convert between kinematic viscosity units like centistokes, poise, lentor and more.
Kinematic viscosities of some common liquids like motor oil, diesel fuel, peanut oil and many more.
Dynamic viscosities for motor oils SAE 10 to 50 for temperatures ranging 0-100 oC.
Viscosities of fuel oils vs. temperature.
Temperature limits for lubricating oils.
Lubrication effect on bolt tension and torque.
Viscosities and densities of SAE Grade oils.
Vicosity is a fluid's resistance to flow and can be valued as dynamic (absolute) or kinematic.