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# Industrial Lubricants - Viscosities vs. ISO-VG Grade

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

Equivalent Viscosities of ISO-VG Grades at 40oC and SAE Crankcase Oil Grades
22 5W
32 10W
46 15W
68 20W
100 30
150 40
220 50
320 60

### Equivalent Viscosities of ISO-VG Grades at 40oC and SAE Aircraft Oil Grades

Equivalent Viscosities of ISO-VG Grades at 40oC and SAE Aircraft Oil Grades
100 65
150 80
220 100
320 120
.

### Equivalent Viscosity of ISO-VG Grades at 40oC and SAE Gear Lube Grades

Equivalent Viscosity of ISO-VG Grades at 40oC and SAE Gear Lube Grades
46 75W
100 80W-90
220 90
460 85W-140
1500 250

### Equivalent Viscosity of ISO-VG Grades at 40oC and AGMA Gear Lube Grades

Equivalent Viscosity of ISO-VG Grades at 40oC and AGMA Gear Lube Grades
RegularEP
46 1
68 2 2 EP
100 3 3 EP
150 4 4 EP
220 5 5 EP
320 6 6 EP
460 7 7 EP
680 8 8 EP
.

### 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

## Related Topics

### • Material Properties

Properties of gases, fluids and solids. Densities, specific heats, viscosities and more.

### • Viscosities

Viscosities of products and chemical species at varying conditions.

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