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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:

• Water Vapor Saturation Pressure Formulae and Calculator
• Water - Density Viscosity Specific Weight
• Hydraulic Ram for Pumping Water
• Hazen-Williams Water Pressure Drop Flow Rates Equations and Calculator
• Pressure Spike Water Hammer Review and Equations
• Water Boiling Temperature vs Pressure in Vacuum Table Chart
• Surface Tension of Water, Salt and Fresh

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