Temperature Conversion Tables With Viscosity, Pressure And Density Equivalents

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The ABB Guide to
The ABB Field Products easy reference to useful data for every day field use:
Field
IT
Essential Field Data
Conversion Tables for Temperature, Viscosity and Pressure, with Viscosity and Density
Control
IT
Data for some common gases.
Inform
IT
Industrial
IT
Temperature Conversion Tables
TO CONVERT YOUR TEMPERATURE:
1. Find its numerical value in the centre column e.g. 15.
2. If your temperature value is 15°F, look in the Left Hand (°C) column for the equivalent Centigrade value = –9.4°C.
3. Alternatively, if your temperature value is 15°C, look in the Right Hand (°F) column for the equivalent Fahrenheit value = 59.0°F.
N.B. For larger values (above 100) use the Interpolation Values table (far right) to add in the unit values for 1 – 9.
Interpolation Values
.
.
.
.
.
.
.
.
.
.
.
.
.
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
°C
°F
-273.15 -459.67
-107
-160
-256
- 9.4
15
59.0
7.8
46
114.8
25.0
77
170.6
82
180
356
249
480
896
421
790
1454
593
1100
2012
766
1410
2570
938
1720
3128
1110
2030
3686
-0.56
1
1.8
-268
-450
-101
-150
-238
- 8.9
16
60.8
8.3
47
116.6
25.6
78
172.4
88
190
374
254
490
914
427
800
1472
599
1110
2030
771
1420
2588
943
1730
3146
1116
2040
3704
1.11
2
3.6
-262
-440
- 95.6
-140
-220
- 8.3
17
62.6
8.9
48
118.4
26.1
79
174.2
93
200
392
260
500
932
432
810
1490
604
1120
2048
777
1430
2606
949
1740
3164
1121
2050
3722
1.67
3
5.4
-257
-430
- 90.0
-130
-202
- 7.8
18
64.4
9.4
49
120.2
26.7
80
176.0
99
210
410
266
510
950
438
820
1508
610
1130
2066
782
1440
2624
954
1750
3182
1127
2060
3740
2.22
4
7.2
-251
-420
- 84.4
-120
-184
- 7.2
19
66.2
10.0
50
122.0
27.2
81
177.8
100
212
413
271
520
968
443
830
1526
616
1140
2084
788
1450
2642
960
1760
3200
1132
2070
3758
2.78
5
9.0
-246
-410
- 78.9
-110
-166
- 6.7
20
68.0
10.6
51
123.8
27.8
82
179.6
104
220
428
277
530
986
449
840
1544
621
1150
2102
793
1460
2660
966
1770
3218
1138
2080
3776
3.33
6
10.8
-240
-400
- 73.32
-100
-148
- 6.1
21
69.8
11.1
52
125.6
28.3
83
181.4
110
230
446
282
540
1004
454
850
1562
627
1160
2120
799
1470
2678
971
1780
3236
1143
2090
3794
3.89
7
12.6
-234
-390
- 67.8
- 90
-130
- 5.6
22
71.6
11.7
53
127.4
28.9
84
183.2
116
240
464
288
550
1022
460
860
1580
632
1170
2138
804
1480
2696
977
1790
3254
1149
2100
3812
4.44
8
14.4
-229
-380
- 62.2
- 80
-112
- 5.0
23
73.4
12.2
54
129.2
29.4
85
185.0
121
250
482
293
560
1040
466
870
1598
638
1180
2156
810
1490
2714
982
1800
3272
1154
2110
3830
5.00
9
16.2
-223
-370
- 56.7
- 70
- 94
- 4.4
24
75.2
12.8
55
131.0
30.0
86
186.8
127
260
500
299
570
1058
471
880
1616
643
1190
2174
816
1500
2732
988
1810
3290
1160
2120
3848
5.56
10
18.0
-218
-360
- 51.1
- 60
- 76
- 3.9
25
77.0
13.3
56
132.8
30.6
87
188.6
132
270
518
304
580
1076
477
890
1634
649
1200
2192
821
1510
2750
993
1820
3308
1166
2130
3666
-212
-350
- 45.6
- 50
- 58
- 3.3
26
78.8
13.9
57
134.6
31.1
88
190.4
138
280
536
310
590
1094
482
900
1652
654
1210
2210
827
1520
2768
999
1830
3326
1171
2140
3884
-207
-340
- 40.0
- 40
- 40
- 2.8
27
80.6
14.4
58
136.4
31.7
89
192.2
143
290
554
316
600
1112
488
910
1670
660
1220
2228
832
1530
2786
1004
1840
3344
1177
2150
3902
-201
-330
- 34.4
- 30
- 22
- 2.2
28
82.4
15.0
59
138.2
32.2
90
194.0
149
300
572
321
610
1130
493
920
1688
666
1230
2246
838
1540
2804
1010
1850
3362
1182
2160
3920
Temperature
-196
-320
- 28.9
- 20
- 4
- 1.7
29
84.2
15.6
60
140.0
32.8
91
195.8
154
310
590
327
620
1148
499
930
1705
671
1240
2264
843
1550
2822
1016
1860
3380
1188
2170
3938
Conversion
-190
-310
- 23.3
- 10
14
- 1.1
30
86.0
16.1
61
141.8
33.3
92
197.6
160
320
608
332
630
1166
504
940
1724
677
1250
2282
849
1560
2840
1021
1870
3398
1193
2180
3956
Formulae
-184
-300
- 17.8
0
32
- 0.6
31
87.8
16.7
62
143.6
33.9
93
199.4
166
330
626
338
640
1184
510
950
1742
682
1260
2300
854
1570
2858
1027
1880
3416
1199
2190
3974
Degrees Celsius - C
-179
-290
- 17.2
1
33.8
0
32
89.6
17.2
63
145.4
34.4
94
201.2
171
340
644
343
650
1202
516
960
1760
688
1270
2318
860
1580
2876
1032
1890
3434
1204
2200
3992
C + 273.15 = K Kelvin
-173
-280
- 16.7
2
35.6
0.6
33
91.4
17.8
64
147.2
35.0
95
203.0
177
350
662
349
660
1220
521
970
1778
693
1280
2336
866
1590
2894
1038
1900
3452
1210
2210
4010
(C x 9/5) + 32 = F Fahrenheit
-169
-273
-459.4
- 16.1
3
37.4
1.1
34
93.2
18.3
65
149.0
35.6
96
204.8
182
260
680
354
670
1238
527
980
1796
699
1290
2354
871
1600
2912
1043
1910
3470
1216
2220
4028
C x 4/5 = R Réaumur
-168
-270
-454
- 15.6
4
39.2
1.7
35
95.0
18.9
66
150.8
36.1
97
206.6
188
370
698
360
680
1256
532
990
1814
704
1300
2372
877
1610
2930
1049
1020
3488
1221
2230
4046
-162
-260
-436
- 15.0
5
41.0
2.2
36
96.8
19.4
67
152.6
36.7
98
208.4
193
380
716
366
690
1274
538
1000
1832
710
1310
2390
882
1620
2948
1054
1930
3506
1227
2240
4064
Degrees Fahrenheit - F
-157
-250
-418
-14.4
6
42.8
2.8
37
98.6
20.0
68
154.4
37.2
99
210.2
199
390
734
371
700
1292
543
1010
1850
716
1320
2408
888
1630
2966
1060
1940
3524
1232
2250
4082
F + 459.67 = Rankine
-151
-240
-400
-13.9
7
44.6
3.3
38
100.4
20.6
69
156.2
37.8
100
212.0
204
400
752
377
710
1310
549
1020
1868
721
1330
2426
893
1640
2984
1066
1950
3542
(F - 32) x 5/9 = C Celsius
-146
-230
-382
-13.3
8
46.4
3.9
39
102.2
21.1
70
158.0
43
110
230
210
410
770
382
720
1328
554
1030
1886
727
1340
2444
899
1650
3002
1071
1960
3560
(F - 32) x 4/9 = R Réaumur
-140
-220
-364
-12.8
9
48.2
4.4
40
104.0
21.7
71
159.8
49
120
248
216
420
788
388
730
1346
560
1040
1904
732
1350
2462
904
1660
3020
1077
1970
3578
-134
-210
-346
-12.2
10
50.0
5.0
41
105.8
22.2
72
161.6
54
130
266
221
430
806
393
740
1364
566
1050
1922
738
1360
2480
910
1670
3038
1082
1980
3596
Degrees Réaumur - R
-129
-200
-328
-11.7
11
51.8
5.6
42
107.6
22.8
73
163.4
60
140
284
227
440
824
399
750
1382
571
1060
1940
743
1370
2498
916
1680
3056
1088
1990
3614
R x 5/4 = C Celsius
-123
-190
-310
-11.1
12
53.6
6.1
43
109.4
23.3
74
165.2
66
150
302
232
450
842
404
760
1400
577
1070
1958
749
1380
2516
921
1690
3074
1093
2000
3632
(R x 9/4) + 32 = F Fahrenheit
-118
-180
-292
-10.6
13
55.4
6.7
44
111.2
23.9
75
167.0
71
160
320
238
460
860
410
770
1418
582
1080
1976
754
1390
2534
927
1700
3092
1099
2010
3650
-112
-170
-274
-10.0
14
57.2
7.2
45
113.0
24.4
76
168.8
77
170
338
243
470
878
416
780
1436
588
1090
1994
760
1400
2552
932
1710
3110
1104
2020
3668
Viscosity Equivalents
Pressure Equivalents
Density and Viscosity of some Common Gases
Seconds
Seconds
Kinematic
Seconds
Seconds
Seconds
Kinematic
Seconds
Meter fluid
Density pn
Viscosity n
psi
atm
ft. Hd.
Metres
in. Hg
Millibar
Saybolt
Saybolt
Viscosity
Redwood
Saybolt
Saybolt
Viscosity
Redwood
[g/cm
3
] at 0°C,
[mPas = cP]
H
O
in. H
O
kg/cm
2
H
O
at 0ºC
mm. Hg
bar
(mbar)
kPa
2
2
2
Universal (SU)
Furol (SSF)
Centistokes
(Standard)
Universal (SU)
Furol (SSF)
Centistokes
(Standard)
1013 mbar
20°C
1
0.0680
2.310
27.720
0.0700
0.704
2.043
51.884
0.0690
68.947
6.895
Acetylene
C
H
0.0011747
0.0102
31
1.00
29
800
81.0
176
677
2
2
35
2.56
32.1
900
91.0
198
762
14.696
1
33.659
407.513
1.0330
10.351
30.019
762.480
1.0130
1013.0
101.325
Air
0.0012928
0.01812
40
4.30
36.2
1000
100.7
220
896
0.433
0.0290
1
12.000
0.0300
0.305
0.884
22.452
0.0300
29.837
2.984
Ammonia
NH
0.00077142
0.0098
3
50
.40
44.3
1500
150
330
1270
0.036
0.0025
0.833
1
0.0025
0.025
0.074
1.871
0.0025
2.486
0.249
Argon
Ar
0.0017836
0.0222
60
10.20
52.3
2000
200
440
1690
14.233
0.9680
32.867
394.408
1
10.018
29.054
737.959
0.9810
980.662
98.066
Butane
C
H
0.002703
0.0074
3
10
70
12.95
12.83
60.9
2500
250
550
2120
1.422
0.0970
3.287
39.370
0.0990
1
2.905
73.796
0.0980
98.066
9.807
Carbon Dioxide
CO
0.0019769
0.01463
2
80
13.70
15.35
69.2
3000
300
660
2540
0.489
0.0330
1.131
13.575
0.0340
0.345
1
25.400
0.0340
33.753
3.375
Carbon Monoxide
CO
0.00125001
0.0177
90
14.44
17.80
77.6
4000
400
880
3380
0.019
0.0013
0.045
0.534
0.0014
0.0136
0.039
1
0.0010
1.329
0.133
Chlorine
CI
0.003220
0.01324
2
100
15.24
20.20
85.6
5000
500
1100
4230
14.503
0.9870
33.514
402.164
1.0200
10.2110
29.625
752.470
1
1000.0
100.00
Dissociated Ammonia
0.0003740
0.0099
150
19.30
31.80
128
6000
600
1320
5080
0.014
0.0009
0.033
0.402
0.0010
0.0102
0.029
0.752
0.001
1
0.100
Ethane
C
H
0.0013566
0.0092
200
23.5
43.10
170
7000
700
1540
5920
2
6
0.145
0.0098
0.335
4.021
0.0100
0.1020
0.296
7.525
0.010
10.000
1
Ethylene
C
H
0.0012604
0.0101
250
28.0
54.30
212
8000
800
1760
6770
2
4
Helium
He
0.00017847
0.0196
300
32.5
65.40
254
9000
900
1980
7620
All figures are @ 20°C unless otherwise stated.
400
41.9
87.60
338
10000
1000
2200
8460
Hydrogen
H
0.00008987
0.00886
2
500
51.6
110
423
15000
1500
3300
13700
Hydrogen Chloride
HCI
0.0016392
0.0143
Pressure Values Relationships
600
61.4
132
508
20000
2000
4400
18400
Hydrogen Sulphide
H
S
0.0015362
0.0124
2
700
71.1
154
592
Gauge Pressure
Absolute Pressure
Krypton
Kr
0.003744
0.02496
Vacuum
psig Bar G
mm. Hg
psia Bar A
mm. Hg
Methane
CH
0.0007168
0.0108
4
Methyl Chloride
CH
CI
0.0023075
0.01061
UNLIMITED PRESSURE
3
Kinematic Viscosity (Stokes) = Absolute Viscosity (Poise)
50,000
50,000
Neon
Ne
0.0009000
0.0310
Specific Gravity
and more
and more
Nitrogen
N
0.0012505
0.01752
2
1 Centistoke = Stoke = 1 mm
2
/ s
Nitrogen Oxide
NO
0.0013402
0.0188
100
Standard Atmospheric
Nitrous Oxide
N
O
0.0019804
0.0146
2
Pressure
14.7 psia
1 Centipoise = Poise = 1 mPas
Oxygen
O
0.00142895
0.0203
1.013 Bar A
100
0
0
760
2
Propane
C
H
0.00201963
0.0080
3
8
1 Stoke = 100 Centistokes = 100 mm
2
/ s
Propylene
C
H
0.0019140
0.0084
VACUUM
3
6
1 Poise = 100 Centipoise = 100 mPas
Sulphur Dioxide
SO
0.0029262
0.0125
2
760
Perfect Vacuum
-14.7 psi
For technical advice
760
0
0
-1.013 bar
and further information call:
0870 600 6122
visit us at
ABB Limited, Howard Road, St Neots, Cambridgeshire, PE19 8EU, UK. Tel: 0870 600 6122
WP/FIELDS Issue 1 (03.04)

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