Viscosity Conversion Chart used for Commercial & Industrial Lubricant
| Viscosity Conversion Chart for commonly used Commercial & Industrial Lubricant Viscosity Ratings | ||||||
| Kinematic Viscosity Centistokes at 40C (104F) | Saybolt Viscosity (SUS) at 40C (104F) Aprox. | |||||
| S.No. | ISO Viscosity Grade | AGMA Grade No.Aprox. | SAE Viscosity No.Aprox. | SAE Lube No.Aprox. | ||
| 1 | 22 | – | – | – | 22 | 105 |
| 2 | 32 | – | 10W | 75W | 32 | 150 |
| 3 | 46 | 1 | 10 | – | 46 | 215 |
| 4 | 68 | 2 | 20 | 80W | 68 | 315 |
| 5 | 100 | 3 | 30 | – | 100 | 465 |
| 6 | 150 | 4 | 40 | 85W | 150 | 700 |
| 7 | 220 | 5 | 50 | 90 | 220 | 1000 |
| 8 | 320 | 6 | 60 | – | 320 | 1500 |
| 9 | 460 | 7 | 70 | 140 | 460 | 2150 |
| 10 | 680 | 8 | – | – | 680 | 3150 |
| ISO | International Standards Organization | |||||
| AGMA | American Gear Manufacturers Association | |||||
| SAE | Society of Automotive Engineers | |||||