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3-1-618 Page 22
VISCOSITY CONVERSION TABLE
This table lists a comparison of various viscosity ratings, when the viscosity is given in terms other than Saybolt
Universal, it can be translated by following horizontally to the Saybolt column.
Seconds
Kinematic
Seconds
Saybolt
Viscosity
Saybolt
Seconds
Seconds
Seconds
Seconds
Seconds
Seconds
Seconds
Seconds
Universal Centistokes
Furol
Redwood 1 Redwood 2
Degrees
Degrees
Parlin
Parlin
Parlin
Parlin
Ford
Ford
ssu
*
Ssf
(Standard)
(Admiralty)
Engler
Barbey
Cup #7
Cup #10
Cup #15
Cup #20
Cup #3
Cup #4
31
1.00
--
29.0
--
1.00
6200
--
--
--
--
--
--
31
1.00
--
29.0
--
1.00
6200
--
--
--
--
--
--
35
2.56
--
32.1
--
1.16
2420
--
--
--
--
--
--
40
4.30
--
36.2
5.10
1.31
1440
--
--
--
--
--
--
50
7.40
--
44.3
5.83
1.58
838
--
--
--
--
--
--
60
10.3
--
52.3
6.77
1.88
618
--
--
--
--
--
--
70
13.1
12.95
60.9
7.60
2.17
483
--
--
--
--
--
--
80
15.7
13.70
69.2
8.44
2.45
404
--
--
--
--
--
--
90
18.2
14.44
77.6
9.30
2.73
348
--
--
--
--
--
--
100
20.6
15.24
85.6
10.12
3.02
307
--
--
--
--
--
--
150
32.1
19.30
128
14.48
4.48
195
--
--
--
--
--
--
200
43.2
23.50
170
18.90
5.92
144
40.0
--
--
--
--
--
250
54.0
28.00
212
23.45
7.35
114
46.0
--
--
--
--
--
300
65.0
32.50
254
28.00
8.79
95.0
52.5
15
6.0
3.0
30
20
400
87.6
41.90
338
37.10
11.70
70.8
66.0
21
7.2
3.2
42
28
500
110
51.60
423
46.20
14.60
56.4
79.0
25
7.8
3.4
50
34
600
132
61.40
508
55.40
17.50
47.0
92.0
30
8.5
3.6
58
40
700
154
71.10
592
64.60
20.45
40.3
106.0
35
9.0
3.9
67
45
800
176
81.00
677
73.80
23.35
35.2
120.0
39
9.8
4.1
74
50
900
198
91.00
762
83.00
26.30
31.3
135.0
41
10.7
4.3
82
58
1000
220
100.7
896
92.10
29.20
28.2
149.0
43
11.5
4.5
90
72
1500
330
150
1270
138.2
43.80
18.7
--
65
15.2
6.3
132
90
2000
440
200
1690
184.2
58.40
14.1
--
86
19.5
7.5
172
118
2500
550
250
2120
230
73.00
11.3
--
108
24.0
9.0
218
147
3000
660
300
2540
276
87.60
9.40
--
129
28.5
11
258
172
4000
880
400
3380
368
117
7.05
--
172
37
14
337
230
5000
1100
500
4230
461
146
5.64
--
215
47
18
425
290
6000
1320
600
5080
553
175
4.70
--
258
57
22
520
350
7000
1540
700
5920
645
205
4.03
--
300
67
25
600
410
8000
1760
800
6770
737
234
3.52
--
344
76
20
680
465
9000
1980
900
7620
829
263
3.13
--
387
86
32
780
520
10000
2200
1000
8460
921
292
2.82
--
430
96
35
850
575
15000
3320
1500
13700
--
438
2.50
--
650
147
53
1280
860
20000
4400
2000
18400
--
584
1.40
--
860
203
70
1715
1150
* Kinematic Viscosity (in centistokes) = Absolute viscosity (in centipoises)
Specific
Gravity
Above 250 SSU, use the following approximate conversion:
SSU = Centistokes x 4.62
Above the range of this table and within the range of the viscosimeter, multiply their rating by the following factors
to convert to SSU:
Viscosimeter Factor Viscosimeter
Factor
Saybolt Furol
10.0
Parlin cup #15
98.2
Redwood Standard
1.095
Parlin cup #20
187.0
Redwood Admiralty
10.87
Ford cup #4
17.4
Engler
-
Degrees
34.5