Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Moist Air - Density vs. Pressure

Density of moist air vs. pressure ranging 75 - 1000 mmHg.

Sponsored Links

Density of moist air with dew point 10 ^oC vs. pressure is indicated below.

density of dry air

density moist air

Density of Moist Air (kg/m³)
Pressure (mm Hg)	Temperature (^oC)
Pressure (mm Hg)	0	10	20	40	60
1000	1.695	1.635	1.579	1.479	1.390
975	1.653	1.594	1.540	1.441	1.355
950	1.610	1.553	1.500	1.404	1.320
925	1.568	1.512	1.461	1.367	1.285
900	1.525	1.471	1.421	1.330	1.250
875	1.482	1.430	1.381	1.293	1.215
850	1.440	1.389	1.342	1.256	1.181
825	1.397	1.348	1.302	1.219	1.146
800	1.355	1.307	1.262	1.182	1.111
775	1.312	1.266	1.223	1.145	1.076
760	1.287	1.241	1.199 ¹⁾	1.122	1.055
750	1.270	1.225	1.183	1.108	1.041
725	1.227	1.184	1.144	1.071	1.006
700	1.185	1.143	1.104	1.033	0.971
675	1.142	1.102	1.064	0.996	0.937
650	1.100	1.061	1.025	0.959	0.902
625	1.057	1.020	0.985	0.922	0.867
600	1.015	0.979	0.945	0.885	0.832
575	0.972	0.938	0.906	0.848	0.797
550	0.930	0.897	0.866	0.811	0.762
525	0.887	0.856	0.827	0.774	0.727
500	0.845	0.815	0.787	0.737	0.692
475	0.802	0.774	0.747	0.700	0.658
450	0.760	0.733	0.708	0.663	0.623
425	0.717	0.692	0.668	0.625	0.588
400	0.674	0.651	0.628	0.588	0.553
375	0.632	0.610	0.589	0.551	0.518
350	0.589	0.569	0.549	0.514	0.483
325	0.547	0.528	0.510	0.477	0.448
300	0.504	0.487	0.470	0.440	0.414
275	0.462	0.446	0.430	0.403	0.379
250	0.419	0.405	0.391	0.366	0.344
225	0.377	0.363	0.351	0.329	0.309
200	0.334	0.322	0.311	0.292	0.274
175	0.292	0.281	0.272	0.254	0.239
150	0.249	0.240	0.232	0.217	0.204
125	0.207	0.199	0.193	0.180	0.169
100	0.164	0.158	0.153	0.143	0.135
75	0.122	0.117	0.113	0.106	0.100

¹⁾ NTP - Normal Temperature and Pressure

1 mm Hg = 1 torr = 0.0193 lb/in² (psi) = 133 N/m² (Pa) = 12.8 mm water

Sponsored Links

Related Topics

Air Psychrometrics - Moist and humid air - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content.
Densities - Densities of solids, liquids and gases. Definitions and convertion calculators.

Related Documents

Air - Humidity Measurement from Dry and Wet Bulb Temperature - Relative humidity in moist air can estimated by measuring the dry and wet bulb temperature.
Air - Thermophysical Properties - Thermal properties of air at different temperatures - density, viscosity, critical temperature and pressure, triple point, enthalpi and entropi, thermal conductivity and diffusivity and more.
Dry Air and Water Vapor - Density and Specific Volume vs. Temperature - Imperial Units - Density and specific volume of dry air and water vapor at temperatures ranging 225 to 900 degF (107 to 482 degC).
Humid Air vs. the Ideal Gas Law - Pressure, temperature and volume in a perfect ideal gas like moist air (air with water vapor).
Moist Air - Daltons Law of Partial Pressure - The pressure in a mixture of dry air and water vapor - humid or moist air - can be estimated by using Daltons Law of partial pressures.
Moist Air - Density vs. Water Content and Temperature - Density of the mix of dry air and water vapor - moist humid air.
Moist Air - Properties - Psychrometric table with humid air properties like saturation pressure, specific volume, enthalpy and entropy.
Moist Air - Relative Humidity - Relative humidity in moist air is the ratio of partial vapor pressure to air pressure.
Moist Air - Specific Volume - Specific volume of moist air is defined as the total volume of humid air per mass unit of dry air
Moist Air - Water Vapor and Saturation Pressure - Saturation pressure of water vapor in moist air vs. temperature.
Moist Air - Weight of Water Vapor - Weight of water vapor in air

Sponsored Links

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse!

Translate

About the Engineering ToolBox!

Privacy

We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.

Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.

Google use cookies for serving our ads and handling visitor statistics. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.

Advertise in the ToolBox

If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. You can target the Engineering ToolBox by using AdWords Managed Placements.

Citation

This page can be cited as

Engineering ToolBox, (2009). Moist Air - Density vs. Pressure. [online] Available at: https://www.engineeringtoolbox.com/density-moist-air-d_1533.html [Accessed Day Mo. Year].

Modify access date.

close

3D Engineering ToolBox - draw and model technical applications!

2D Engineering ToolBox - create and share online diagram drawing templates!

Engineering ToolBox Apps - mobile online and offline engineering applications!

Scientific Online Calculator

Scientific Calculator

6 24

Sponsored Links