Boiling Points at Higher Pressures (2024)

Table of Contents
Online calculator, figures and tables showing boiling points of water at pressures ranging from 14.7 to 3200 psia (1 to 220 bara). Temperature given as °C, °F, K and °R. Online Water Boiling Point Calculator Related Topics Boiling Points of Fluids Material Properties Steam and Condensate Thermodynamics Thermodynamics Water Systems Related Documents Boiling Fluids - Max Suction Flow Velocities Boiling Liquids - Max Pumping Flow Velocities Compressed Water - Properties vs. Temperature Evaporation from a Water Surface Feed Pumps in Steam Systems - Suction Lift Head vs. Temperature Gases Solved in Water - Diffusion Coefficients Heavy Water - Thermophysical Properties Hydrocarbons, Alcohols and Acids - Boiling points Ice and Water - Melting Points vs. Pressure Liquids - Vapor Pressures Liquids and Gases - Boiling Points Pumps - NPSH (Net Positive Suction Head) Water - Boiling Points at Vacuum Pressure Water - Boiling Points vs. Altitude Water - Properties at Gas-Liquid Equilibrium Conditions Water - Saturation Pressure and Specific Weight vs. Temperature Water - Thermal Conductivity vs. Temperature Water - Thermal Diffusivity vs. Temperature and Pressure Water - Thermophysical Properties Water vs. Steam - Critical and Triple Points Search Engineering ToolBox - SketchUp Extension - Online 3D modeling! Translate this Page Privacy Policy Advertise in the ToolBox Citation FAQs

Online calculator, figures and tables showing boiling points of water at pressures ranging from 14.7 to 3200 psia (1 to 220 bara). Temperature given as °C, °F, K and °R.

When water is heated it reach a temperature - the boiling point - at which the vapor pressure is large enough that bubbles are formed inside the water. The boiling point of water depends on pressure.

Online Water Boiling Point Calculator

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

Note! Pressure must be within the ranges 1 - 220 bara, 14.7 - 3200 psia, 760 - 165 000 mm Hg or 30 - 6500 in Hg.

Boiling points of water at absolute pressures ranging from 1 to 70 bara or 14.7 to 1000 psia are indicated in the figures and tables below:

See Also
Drilling Calculations - [XLS Document]Density and Specific Weight vs. Temperature and PressureWater - Specific Heat vs. Temperature

See Water and Heavy Water for thermodynamic properties at standard condtions.
See also other properties of Water at varying temperature and pressure : Boiling points at vacuum pressure , Density and specific weight , Dynamic and kinematic viscosity , Enthalpy and entropy , Heat of vaporization , Ionization Constant, pK w , of normal and heavy water , Melting points at high pressure , Prandtl number , Properties at Gas-Liquid Equilibrium Conditions , Saturation pressure , Specific gravity , Specific heat (heat capacity) , Specific volume , Thermal conductivity , Thermal diffusivity and Vapour pressure at gas-liquid equilibrium .

Boiling Points at Higher Pressures (1)

Boiling Points at Higher Pressures (2)

Boiling Points at Higher Pressures (3)

Boiling Points at Higher Pressures (4)

Water Boiling Points at Higher Pressures
Absolute pressure Water boiling point
[bara]
[1x105 *Pa] 		[psia] [mm Hg] [in Hg] [°C] [°F]
1.01314.776029.92100212
1.03415.077630.54101213
1.10316.082732.58102216
1.17217.087934.61104219
1.24118.093136.65106222
1.31019.098338.68107225
1.37920.0103440.72109228
1.51722.0113844.79112233
1.65524.0124148.86114238
1.79326.0134552.94117242
1.93128.0144857.01119246
2.06830.0155161.08121250
2.20632.0165565.15123254
2.34434.0175869.22125258
2.48236.0186273.30127261
2.62038.0196577.37129264
2.75840.0206981.44131267
2.89642.0217285.51132270
3.03444.0227589.58134273
3.17246.0237993.66135276
3.30948.0248297.73137279
3.44750.02586101.8138281
3.58552.02689105.9140284
3.72354.02793109.9141286
3.86156.02896114.0142288
3.99958.02999118.1144291
4.13760.03103122.2145293
4.27562.03206126.2146295
4.41364.03310130.3147297
4.55166.03413134.4148299
4.68868.03517138.4149301
4.82670.03620142.5151303
4.96472.03723146.6152305
5.10274.03827150.7153307
5.24076.03930154.7154309
5.37878.04034158.8155310
5.51680.04137162.9156312
5.65482.04241167.0157314
5.79284.04344171.0158316
5.92986.04447175.1158317
6.06788.04551179.2159319
6.20590.04654183.2160320
6.34392.04758187.3161322
6.48194.04861191.4162323
6.61996.04965195.5163325
6.75798.05068199.5164326
6.8951005171203.6164328
7.2391055430213.8166331
7.5841105689224.0168335
7.9291155947234.1170338
8.2741206206244.3172341
10.341507757305.4181359
12.071759050356.3189372
13.7920010343407.2194382
15.5122511636458.1200392
17.2425012929509.0205401
18.9627514222559.9210410
20.6830015514610.8214417
22.4132516807661.7218425
24.1335018100712.6222432
25.8637519393763.5226438
27.5840020686814.4229445
29.3042521979865.3233451
31.0345023272916.2236456
32.7547524565967.1239462
34.47500258571018242467
36.20525271501069245472
37.92550284431120247477
39.64575297361171250482
41.37600310291222252486
43.09625323221273255491
44.82650336151323257495
46.54675349081374260499
48.26700362001425262503
49.99725374931476264507
51.71750387861527266511
53.43775400791578268515
55.16800413721629270518
56.88825426651680272522
58.61850439581731274525
60.33875452511782276529
62.05900465431832278532
65.50950491291934281539
68.951000517152036285545
75.061089563012217290555
84.641228634852499298570
98.781433740912917310590
114.61662859653384321610
127.91854958953775329625
147.321361104624349341645
163.323691224934823349660
186.827101401275517360680
213.530961601316304371700
222.432261668296568374706
  • T(oC) = 5/9[T( oF) - 32]
  • 1 psi (lb/in2) = 6,894.76 Pa (N/m2) = 0.068948 bar = 51.7149 mm Hg = 2.03602 in Hg

See Water and Heavy Water - for thermodynamic properties.
See also Water Density, specific weight and thermal expansion coefficient , Dynamic and kinematic viscosity , Enthalpy and entropy , Heat of Vaporization , Ionization Constant, pK w , of normal and heavy water , Pressure and Boiling Points , Specific gravity , Specific heat (heat capacity) and Specific volume for online calculatores, figures and tables.

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Boiling Points at Higher Pressures (2024)

FAQs

Boiling Points at Higher Pressures? ›

The boiling point of a liquid increases with increase in pressure. Since a liquid vaporises when molecules move faster and farther apart but while increasing pressure, you are applying an external force to hold molecules closer to each other.

Get More Info ›
What does higher pressure do to boiling point? ›

The greater the pressure, the more energy required for liquids to boil, and the higher the boiling point.

Learn More Now ›
Why does water boil at higher temperatures at higher pressures? ›

In conclusion, it is true that water boils at a higher temperature at higher pressure. This can be explained using the concept of vapor pressure and the boiling point of a liquid. As external pressure is increased, water molecules require more energy to escape, causing an increase in the boiling point.

Know More ›
What is the effect of high pressure on boiling point of water? ›

Thus, when pressure is applied on gas, it compresses to liquid and when pressure is increased on liquid, it becomes solid. The effect of pressure on solid is negligible. Thus, if pressure is applied to a substance its state changes from: Gas →Liquid → Solid.

Find Out More ›
How to determine boiling point at different pressures? ›

If the boiling point values for a specified substance at a specified BP temperature and pressure are given, one can determine the Boiling Point at different vapor pressure values using the Clausis-Clapeyron Equation. The Clausis-Clapeyron Equation is derived from VP2=VP1e−ΔHvRT at two different temperatures.

Discover More Details ›
What is the relationship between pressure and boiling point? ›

Let's talk about how air pressure affects the boiling point. The boiling point of a liquid is attained when the vapour pressure of the liquid matches the air pressure. That is, as air pressure rises, the boiling point of the liquid rises, and as atmospheric pressure falls, the boiling point of the liquid falls.

Tell Me More ›
How does pressure affect boiling point quizlet? ›

How does atmospheric pressure affect boiling point? The more molecules "pushing down" on the liquid, the harder it will be for the liquid's molecules to break free.

Get More Info ›
What happens to boiling point of water when pressure increases? ›

As the pressure applied to the liquid surface is increased, the energy needed for the liquid molecules to expand to gas phase also increases. Hence, a higher temperature is required to change liquid to gas phase. So, boiling point of liquid rises on increasing pressure.

Continue Reading ›
What is the boiling point of water at high pressure? ›

The IUPAC-recommended standard boiling point of water at a standard pressure of 100 kPa (1 bar) is 99.61 °C (211.3 °F). For comparison, on top of Mount Everest, at 8,848 m (29,029 ft) elevation, the pressure is about 34 kPa (255 Torr) and the boiling point of water is 71 °C (160 °F).

Learn More Now ›
Why is it easier to boil water at lower pressure? ›

The boiling point of a liquid is defined as the temperature at which the vapor pressure of the liquid is equal to the external pressure. When the pressure above a liquid is reduced, the vapor pressure needed to induce boiling is also reduced, and the boiling point of the liquid decreases.

Show Me More ›

What happens to water at higher pressure? ›

At pressures above 2.2 GPa, water freezes into ice VII, a state in which the molecules order themselves into a cubic crystalline form (unlike the hexagonal form of ice typical at Earth's surface). Ice VII forms through nucleation clusters that grow until all the material has solidified.

Keep Reading ›
What happens when the boiling point is high? ›

Normally a higher boiling point means that there is a stronger bond. This is because in order to break that bond it will require a lot of energy and in this case, energy comes in the form of heat.

Read On ›
What happens to melting point when pressure increases? ›

In most cases, increased pressure increases the melting point for a material. This means that under high-pressure conditions, you would need to apply more heat to cause a material to melt. Ice is a rare exception to this rule.

Explore More ›
Does higher pressure raise boiling point? ›

The boiling point of liquid increases with increase in pressure.

Tell Me More ›
How do you tell what will have a higher boiling point? ›

In a laboratory, it can be determined by distilling the compound. But between two or more compounds, the highest or lowest boiling point can be determined by looking at their functional groups, measuring their intermolecular forces, and analyzing the shape and symmetry of the particles.

Read More ›
Are pressure and boiling point inversely related? ›

- It is found that vapour pressure and boiling point are inversely proportional to each other. We can say that the boiling point increases as the vapour pressure decreases or vice versa.

Explore More ›
Does increasing pressure increase melting point? ›

The melting point of most of the solid substances increases with an increase in pressure. However ice melts at a temperature lower than its usual melting points when pressure is increased.

View More ›
How does pressure affect temperature? ›

For example, if air pressure increases, the temperature must increase. If air pressure decreases, the temperature decreases. It also explains why air gets colder at higher altitudes, where pressure is lower.

Discover More ›
How much does each PSI increase the boiling point? ›

The boiling point of the water increases three degrees for every 1 psi the pressure goes up. If the pressure goes up to 15 psi, then we have added 45 degrees to the water's boiling point.

Continue Reading ›
Why does food cook faster in a pressure cooker? ›

​Food cooks faster in a pressure cooker. Its because the pressure increases inside the cooker, which also increases the boiling point of water. ​So, more heat is required to reach the boiling point and is sufficient to cook food in a reduced time.

Keep Reading ›
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