Properties of Water - Imperial Units

Properties of water - temperature, pressure, specific volume, specific weight and vapor pressure

Properties of water - temperature, pressure, specific volume, specific weight and vapor pressure. ranging 30oF to 70oF, are indicated below.

Temperature
(oF)
Pressure
(lb/in2 abs.)
Specific Volume
(ft3/lb)
Specific Weight
(lb/ft3)
Vapor Pressure
(in. Merc.)
32 0.08854 0.01602 62.418 0.180
40 0.12170 0.01602 62.426 0.247
50 0.17811 0.01603 62.409 0.360
60 0.2563 0.01604 62.366 0.517
70 0.3631 0.01606 62.301 0.732
80 0.5069 0.01608 62.216 1.022
90 0.6982 0.01610 62.113 1.408
100 0.9492 0.01613 61.994 1.916
110 1.2748 0.01617 61.860 2.576
120 1.6924 0.01620 61.713 3.425
130 2.2225 0.01625 61.552 4.504
140 2.8886 0.01629 61.380 5.862
150 3.718 0.01634 61.196 7.552
160 4.741 0.01639 61.001 9.637
170 5.992 0.01645 60.796 12.187
180 7.510 0.01650 60.580 15.279
190 9.339 0.01657 60.355 19.001
200 11.526 0.01663 60.121 23.45
210 14.123 0.01670 59.877 28.75
220 17.186 0.01677 59.630 35.01
230 20.780 0.01684 59.382 42.34
240 24.969 0.01692 59.102 50.59
250 29.825 0.01700 58.824 60.82
260 35.429 0.01709 58.514 72.26
270 41.858 0.01717 58.241 85.41
280 49.203 0.01726 57.937 100.41
290 57.556 0.01735 57.637 117.50
300 67.013 0.01745 57.307 136.8
320 89.66 0.01765 56.657 183.1
340 118.01 0.01787 55.960 241.1
360 153.04 0.01811 55.218 312.6
380 195.77 0.01836 54.466 399.7
400 247.31 0.01864 53.648 504.4
  • the density of water is 1.940 slugs/ft3 at 39 oF
  • mass and weight - the difference

Related Topics

  • Water Systems - Hot and cold water service systems - design properties, capacities, sizing and more
  • Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more

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