Viscosity Conversion for Newtonian Fluids

(25°C, Sp. Gr. = 1)

POISE STOKES #4 FORD CUP ZAHN GARDNER HOLT KREBS STORMER
#2 #3 #4
0.01 0.01 A-5
0.1 0.1 16 A-4
0.15 0.15 17 A-3
0.22 0.22 13.6 19 A-2
0.32 0.32 15.3 20 A-1
0.5 0.5 19 22 A
0.65 0.65 22 27 B
0.85 0.85 27 34 C
1 1 30 41 12 D
1.25 1.25 36 49 14 11 E
1.4 1.4 40 58 16 13 F
1.65 1.65 46 66 18 14 G
2 2 50 82 23 17 H
2.25 2.25 55 25 18 I 52
2.5 2.5 68 27 20 J 54
2.75 2.75 74 32 22 K 59
3 3 81 34 24 L 61
3.2 3.2 86 36 25 M 62
3.4 3.4 91 39 26 N 63
3.7 3.7 99 41 28 O 64
4 4 107 46 30 P 65
4.35 4.35 116 50 33 Q 66
4.7 4.7 125 52 34 R 67
5 5 133 57 37 S 68
5.5 5.5 146 63 40 T 69
6.3 6.3 167 68 44 U 71
8.85 8.85 199 64 V 78
10.7 10.7 270 W 85
12.9 12.9 X 85
17.6 17.6 Y 100
22.7 22.7 Z 105
27 27 Z-1 114
36.2 36.2 Z-2 129
46.3 46.3 Z-3 126
63.4 63.4 Z-4
98.5 98.5 Z-5
148 Z-6

NOTE: This chart is intended for use in comparing methods of relative viscosity measurements made on Newtonian liquids to absolute and kinematic viscosity. Assumes density is equal to 1.