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# Ammonia Gas - Density vs. Temperature and Pressure

## Online calculator with figures and tables showing density and specific weight of ammonia for temperatures ranging -50 to 425 °C (-50 to 800 °F) at atmospheric and higher pressure - Imperial and SI Units.

Density , ρ, has units typically [kg/m3] or [lb/ft3], and is defined by the ratio of the mass to the volume of a substance:

ρ = m/V                      [1]

where

m = mass, units typically [kg] or [lb]
V = volume, units typically [m3] or [ft3]

Specific weight , γ, has units typically [N/m3] or [lbf/ft3]  is defined by the ratio of the weight to the volume of a substance:

γ = (m * g)/V = ρ * g                [2]

where

g = acceleration due to gravity, units typically [m/s2] and value on Earth usually given as 9.80665 [m/s2] or 32.17405 [ft/s2]

Tabulated values of ammonia density at given temperature and atmospheric pressure, SI and Imperial units, are given below the figures. /p>

### Online Ammonia Gas Density Calculator

The calculator below can be used to calculate the ammonia gas density and specific weight at given temperatures and atmospheric pressure.
The output density is given as kg/m3, lb/ft3, lb/gal(US liq) and sl/ft3 .  Specific weight is given as N/m3and lbf/ ft3.

Note! Temperature must be within the ranges -33 - 425 °C, -28 - 800 °F, 240 - 700 K and 432 - 1260 °R to get valid values.

Choose the actual unit of temperature:

See also other properties of Ammonia at varying temperature and pressure: Density and specific weight , Dynamic and kinematic viscosity , Prandtl Number , Properties at Gas-Liquid Equilibrium pressure , Specific Heat (Heat Capacity) and Thermal Conductivity , and Thermophysical properties at standard conditions and Vapour pressure at gas-liquid equilibrium ,
as well as density and specific weight of acetone , air , argon , benzene , butane , carbon dioxide , carbon monoxide , ethane , ethanol , ethylene , helium , hydrogen , methane , methanol , nitrogen , oxygen , pentane , propane , toluene and water . Density of crude oil , Density of fuel oils , Density of lubricating oil and Density of jet fuel as function of temperature.

Ammonia density and specific weight at 1 bara:

Ammonia gas and liquid density at varying  temperature and given pressures:

Ammonia gas density at given temperature (°C) and 1 bara pressure:

For full table with Specific Weight - rotate the screen!

Ammonia Gas - Density vs. Temperature and Pressure
Temperature Gas Density Specific weight
[°C] [g/l], [kg/m3] [mol/dm3] [lb/ft3] [N/m3]
-35 0.8843 0.0519 0.0552 8.672
-10 0.7938 0.0466 0.0496 7.785
0 0.7625 0.0448 0.0476 7.478
10 0.7336 0.0431 0.0458 7.194
20 0.7069 0.0415 0.0441 6.932
30 0.6822 0.0401 0.0426 6.690
40 0.6593 0.0387 0.0412 6.466
50 0.6380 0.0375 0.0398 6.257
75 0.5909 0.0347 0.0369 5.795
100 0.5509 0.0323 0.0344 5.402
125 0.5162 0.0303 0.0322 5.062
150 0.4858 0.0285 0.0303 4.764
175 0.4586 0.0269 0.0286 4.497
200 0.4341 0.0255 0.0271 4.257
250 0.3917 0.0230 0.0245 3.842
300 0.3573 0.0210 0.0223 3.503
350 0.3295 0.0194 0.0206 3.232
400 0.3058 0.0180 0.0191 2.999

Ammonia gas density at given temperature (°F) and 14.5 psia pressure:

For full table with Specific Weight - rotate the screen!

Ammonia Gas - Density vs. Temperature and Pressure
Temperature Gas Density Specific weight
[°F] [lb/ft3] [sl/ft3*10-3] [g/l],[kg/m3] [lbf/ft3]
-35 0.05577 1.733 0.8933 0.0558
0 0.05119 1.591 0.8200 0.0512
20 0.04889 1.519 0.7831 0.0489
40 0.04678 1.454 0.7494 0.0468
60 0.04486 1.394 0.7185 0.0449
80 0.04309 1.339 0.6902 0.0431
100 0.04147 1.289 0.6642 0.0415
120 0.03997 1.242 0.6403 0.0400
150 0.03794 1.179 0.6078 0.0379
200 0.03502 1.088 0.5610 0.0350
250 0.03254 1.012 0.5213 0.0325
300 0.03040 0.945 0.4870 0.0304
350 0.02852 0.886 0.4569 0.0285
400 0.02684 0.834 0.4299 0.0268
500 0.02399 0.746 0.3842 0.0240
600 0.02172 0.675 0.3480 0.0217
700 0.01993 0.620 0.3193 0.0199
800 0.01828 0.568 0.2928 0.0183

Density unit converter

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## Citation

• The Engineering ToolBox (2018). Ammonia Gas - Density vs. Temperature and Pressure. [online] Available at: https://www.engineeringtoolbox.com/ammonia-density-temperature-pressure-d_2006.html [Accessed Day Month Year].

Modify the access date according your visit.

6.3.17

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