digital calculator, figures and tables giving the boiling temperatures of water in differing vacuum, SI and also Imperial units.


The boiling point of a substance is the temperature in ~ which the vapor pressure of the liquid amounts to the pressure bordering the liquid, and the liquid changes into a vapor. The boiling point of a liquid varies relying on the neighboring pressure.

You are watching: Boiling point of water at 620 mm hg

A liquid in a partial vacuum has a reduced boiling allude than as soon as that liquid is at atmospheric pressure.

Online Water Boiling allude Calculator

The calculator below can be used to calculation the water boiling allude at given, absolute pressures.The output temperature is given as °C, °F, K and °R.

Note! Pressure need to be within the ranges 0-1000 mbara, 0-14.7 psia, 0-760 mm Hg or 0-30 in Hg.

Pressure

pick the actual unit that pressure:

mbara psia mm Hg in Hg

Below, figures and tables display the boiling suggest of water at varying vacuum.

See Water andHeavy Water for thermodynamic properties at standard condtions.See also other nature of Water at differing temperature and pressure: boil points in ~ high pressure, thickness and certain weight, Dynamic and kinematic viscosity, Enthalpy and entropy, heat of vaporization, Ionization Constant, pKw, the normal and heavy water, melt points at high pressure, Prandtl number,Properties at Gas-Liquid Equilibrium Conditions, Saturation pressure, certain gravity, certain heat (heat capacity), certain volume, heat conductivity, thermal diffusivity and also Vapour push at gas-liquid equilibrium.

Boiling point as function of the pressure, given as "mm Hg listed below standard atmospheric pressure": (= Vacuum of e.g. 100 mm Hg is the same as <760-100>=660 mm Hg absolute pressure)

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The table reflects the water boil temperature at various vacuum pressure. Vacuum is offered as pure pressure and also pressure "below traditional atmospheric pressure" (1 bara = 0 vacuum):

For complete table v Vacuum and Water Boiling allude - revolve the screen!

Absolute pressure Vacuum (below conventional atmospheric pressure) Water boil point
<μm Hg> <100*Pa> <100*Pa> <°C> <°F>
760000 29.92 14.696 1013.3 0 0 0 100 212
635000 25.00 12.279 846.6 4.92 125.0 167 96 205
525526 20.69 10.162 700.6 9.23 234.4 313 90 194
500000 19.69 9.668 666.6 10.24 260.1 347 89 192
355092 13.98 6.866 473.4 15.94 404.9 540 80 176
233680 9.200 4.519 311.5 20.72 526.3 702 70 158
200000 7.874 3.867 266.6 22.05 560.1 747 67 152
149352 5.880 2.888 199.1 24.04 610.6 814 60 140
100000 3.937 1.934 133.3 25.98 659.9 880 52 125
92456 3.640 1.788 123.3 26.28 667.5 890 50 122
55118 2.170 1.066 73.48 27.75 704.9 940 40 104
31750 1.250 0.614 42.33 28.67 728.2 971 30 86
25400 1.000 0.491 33.86 28.92 734.6 979 27 80
22860 0.900 0.442 30.48 29.02 737.1 983 24 76
20320 0.800 0.393 27.09 29.12 739.6 986 22 72
17780 0.700 0.344 23.71 29.22 742.2 990 21 69
15240 0.600 0.295 20.32 29.32 744.7 993 18 64
12700 0.500 0.246 16.93 29.42 747.3 996 15 59
10160 0.400 0.196 13.55 29.52 749.8 1000 12 53
7620 0.300 0.147 10.16 29.62 752.3 1003 7 45
4572 0.180 0.088 6.10 29.74 755.4 1007 0 32
2540 0.100 0.049 3.39 29.82 757.4 1009.82 -6 21
1270 0.050 0.025 1.69 29.87 758.7 1011.51 -14 6
1000 0.039 0.019 1.33 29.88 759.0 1011.85 -17 1
500 0.020 0.0097 0.67 29.90 759.5 1012.53 -24 -12
300 0.012 0.0058 0.40 29.91 759.7 1012.87 -29 -21
254 0.010 0.0049 0.34 29.91 759.7 1012.87 -31 -24
127 0.005 0.0025 0.17 29.92 759.8 1013.04 -37 -35
100 0.0039 0.0019 0.13 29.92 760.0 1013.21 -40 -40
50 0.0020 0.0010 0.07 29.92 760.0 1013.21 -46 -50
25.4 0.0010 0.0005 0.03 29.919 759.9 1013.17 -51 -60
12.7 0.0005 0.00025 0.017 29.9195 760.0 1013.19 -57 -70
2.54 0.0001 0.00005 0.003 29.9199 760.0 1013.20 -68 -90

0% vacuum = 760 torr = 14.7 psia = 29.92 in mercury abs = 101.4 kPa abs 50% vacuum = 380 torr = 7.3 psia = 15 in mercury abs = 50.8 kPa abs 99.9% vacuum = 1 torr = 0.01934 psia = 0.03937 in mercury abs = 1.3 kPa abs

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