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Properties of Water at Atmospheric Pressure Given in Metric SI Units

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Properties of Water at Atmospheric Pressure Given in Imperial (I.P.) Metric SI Units

Table 1 - Properties of Water* (SI Units)

Temperature
(°C)
Specific Weight**
γ
(kN / m3 )
Density**
ρ
( kg / m3 )
Absolute Dynamic
Viscosity**
µ
(Pa · s )
Kinematic Viscosity**

(m2 / s )
Vapor
Pressure***
pv
(kPa)
0
9.805
999.8
0.001781
0.000001785
0.61
5
9.807
1,000.0
0.001518
0.000001518
0.87
10
9.804
999.7
0.001307
0.000001306
1.23
15
9.798
999.1
0.001139
0.000001139
1.70
20
9.789
998.2
0.001002
0.000001003
2.34
25
9.777
997.0
0.000890
0.000000893
3.17
30
9.764
995.7
0.000798
0.000000800
4.24
40
9.730
992.2
0.000653
0.000000658
7.38
50
9.689
988.0
0.000547
0.000000553
12.33
60
9.642
983.2
0.000466
0.000000474
19.92
70
9.589
977.8
0.000404
0.000000413
31.16
80
9.530
971.8
0.000354
0.000000364
47.34
90
9.466
965.3
0.000315
0.000000326
70.10
100
9.399
958.4
0.000282
0.000000294
101.33

 

Table 2 Properties of Water* (Imperial I-P Units)

Temperature (°F)
Specific Weight**
γ
(lbf / ft3 )
Density**
ρ
( lbf-sec2 / ft4 )
Absolute Dynamic
Viscosity**
µ
x 10-5 lbf-sec / ft2
Kinematic Viscosity**

x 10-5 ft2 / sec
Vapor
Pressure***
pv
(psi)
32
62.42
1.940
3.746
1.931
0.09
40
62.43
1.940
3.229
1.664
0. 12
50
62.41
1.940
2.735
1.410
0. 18
60
62.37
1.938
2.359
1.217
0. 26
70
62.30
1.936
2.050
1.059
0.36
80
62.22
1.934
1.799
0.930
0.51
90
62.11
1.931
1.595
0.826
0.70
100
62.00
1.927
1.424
0.739
0.95
110
61.86
1.923
1.284
0.667
1.24
120
61.71
1.918
1.168
0.609
1.69
130
61.55
1.913
1.069
0.558
2.22
140
61.38
1.908
0.981
0.514
2.89
150
61.20
1.902
0.905
0.476
3.72
160
61.00
1.896
0.838
0.442
4.74
170
60.80
1.890
0.780
0.413
5.99
180
60.58
1.883
0.726
0.385
7.51
190
60.36
1.876
0.678
0.362
9.34
200
60.12
1.868
0.637
0.341
11.52
212
59.83
1.860
0.593
0.319
14.70

* Compiled from many sources, including: Handbook of Chemistry and Physics, 54th ed., The CRC Press, 1973, and Handbook of Tables for Applied Engineering Science, The Chemical Rubber Co., 1970.
** From "Hydraulic Models," ASCE Manual of Engineering Practice, No. 25, ASCE, 1942.
*** From Keenan, J.H., and F.G. Keyes, Thermodynamic Properties of Steam, New York: John Wiley & Sons, 1936.

Source: Vennard, John K., and Robert L. Street. Elementary Fluid Mechanics, New York: John Wiley & Sons, 1982.

Related:

Source for above two tables: Society of Automotive Engineers (SAE), SAE J300 Engine Oil Viscosity Classification, December 1999.