Viscosity Standard | Approximate Kinematic Viscosity in mm2/s (Centistokes) | Saybolt Viscosity | |||||||||
20°C 68°F | 25°C 77°F | 37.78°C 100°F | 40°C 104°F | 50°C 122°F | 60°C 140°F | 80°C 176°F | 98.89°C 210°F | 100°C 212°F | SUS 100°F | SUS 210°F | |
N.4(b) | 0.47 | 0.45 | 0.41 | 0.4 | - | - | - | - | - | - | - |
N.8(b) | 0.74 | 0.7 | 0.61 | 0.6 | - | - | - | - | - | - | - |
N1.0(b) | 1.3 | 1.2 | 1 | 0.97 | 0.91 | - | - | - | - | - | - |
N2 | 2.9 | 2.6 | 2.1 | 2 | 1.7 | - | 1.2 | 0.95 | 0.94 | - | - |
S3(a) | 4.6 | 4 | 3 | 2.9 | 2.4 | - | 1.5 | 1.2 | 1.2 | - | - |
N4 | 6.7 | 5.8 | 4.2 | 4 | 3.2 | - | 1.9 | 1.5 | 1.5 | - | - |
S6 | 11 | 8.9 | 6 | 5.7 | 4.4 | - | 2.4 | 1.8 | 1.8 | - | - |
N7.5 | 14 | 12 | 8 | 7.5 | 5.8 | - | 3.1 | 2.3 | 2.3 | - | - |
N10 | 21 | 17 | 11 | 10 | 7.3 | - | 3.5 | 2.7 | 2.7 | - | - |
N14 | 30 | 25 | 15 | 14 | 10 | - | 5 | 3.5 | 3.4 | - | - |
S20 | 44 | 34 | 20 | 18 | 13 | - | 5.6 | 3.9 | 3.8 | 100 | - |
N26 | 57 | 46 | 27 | 25 | 18 | - | 7.9 | 5.3 | 5.2 | 130 | - |
N35 | 87 | 66 | 35 | 32 | 21 | - | 8.5 | 5.4 | 5.3 | 170 | - |
N44 | 110 | 86 | 48 | 44 | 30 | - | 12 | 7.7 | 7.5 | 220 | - |
S60 | 160 | 120 | 60 | 54 | 35 | - | 12 | 7.7 | 7.5 | 280 | - |
N75 | 200 | 150 | 82 | 75 | 50 | - | 19 | 12 | 12 | 380 | - |
N100 | 330 | 230 | 110 | 97 | 60 | - | 19 | 11 | 11 | 500 | - |
N140 | 400 | 300 | 160 | 140 | 90 | - | 31 | 19 | 18 | 720 | - |
S200 | 550 | 400 | 200 | 180 | 110 | - | 35 | 22 | 20 | 925 | 105 |
N250 | 770 | 570 | 280 | 250 | 160 | - | 51 | 30 | 29 | 1300 | 140 |
N350 | 1000 | 720 | 340 | 310 | 190 | - | 55 | 34 | 32 | 1570 | 160 |
N415 | 1400 | 990 | 470 | 415 | 250 | - | 77 | 43 | 41 | 2180 | 200 |
S600(c) | 1700 | 1300 | 590 | 520 | 310 | - | 93 | 51 | 50 | - | 240 |
N750 | 2600 | 1900 | 850 | 750 | 440 | - | 130 | 68 | 66 | - | - |
N1000 | 3400 | 2400 | - | 940 | 550 | 350 | 150 | - | 80 | - | - |
N1400 | 5100 | 3600 | - | 1400 | 820 | 510 | 220 | - | 120 | - | - |
S2000 | 8300 | 5300 | 1900 | 1600 | 800 | - | 160 | 75 | 72 | - | 360 |
N2500 | 8400 | 6000 | - | 2500 | 1500 | 950 | 430 | - | 230 | - | - |
N4000 | 20000 | 12000 | - | 3400 | 1600 | 850 | 290 | - | 120 | - | - |
N5100 | 28000 | 18000 | - | 5100 | 2500 | 1300 | 420 | - | 170 | - | - |
S8000 | 41000 | 25000 | 8000 | 6700 | 3200 | - | 530 | - | 240 | - | - |
N10200 | 58000 | 36000 | - | 10200 | 4900 | 2500 | 775 | - | 300 | - | - |
N15000 | 77000 | 47000 | - | 13000 | 6100 | 3000 | 980 | - | 360 | - | - |
N18000 | 103000 | 64000 | - | 18000 | 8500 | 4300 | 1320 | - | 500 | - | - |
S30000 | - | 79000 | 28000 | 23000 | 11000 | - | 1700 | - | 630 | - | - |