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# Ethylene - Density and Specific Weight vs. Temperature and Pressure

## Online calculator, figures and tables showing density and specific weight of ethylene, C2H4, at varying temperature and 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                      

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                

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 ethylene density and specific weight at given temperature and pressure (SI and Imperial units) as well as density units conversion are given below the figures.

### Online EthyleneDensity Calculator

The calculator below can be used to estimate the density and specific weight of ethylene at given temperature and pressure.
The output density is given as kg/m3, lb/ft3, lb/gal(US liq) and sl/ft3.  Specific weight is given as N/m3 and lbf/ ft3.

Note that there will be a significant shift in density when going from liquid to gaseous phase of ethylene (below and above boiling point at given pressure)

Temperature

Choose the actual unit of temperature: °C  °F  °R
Choose the actual pressure:  1 bara / 14.5 psia; 10 bara / 145 psia; 50 bara / 725 psia;

See also other properties of Ethylene at varying temperature:  as well as density and specific weight of acetone, air, ammonia, argon, benzene, butanecarbon 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.

Ethylene phase diagram

Density and specific weight of ethylene gas at varying temperature and atmospheric pressure, SI and Imperial units:  Density and specific weight of liquid ethylene at varying temperature and gas-liquid equilibrium pressure, SI and Imperial units:  Density of ethylene at varying temperature and pressure, SI and Imperial units:  Density of ethylene at varying temperature and equilibrium pressure, SI and Imperial units:  Density and specific weight of ethylene at given temperatures and pressures:

For full table with Density and Specific Weight - rotate the screen!

 State Temperature Pressure Density Specific weight [K] [°C] [°F] [bara] [psia] [mol/dm3] [g/l],[kg/m3] [lb/ft3] [sl/ft3 ] [N/m3] [lbf/ft3] Liquid at equilibrium 103.99 -169.16 -272.49 1.22E-03 0.0177 23.33 654.6 40.86 1.270 6419 40.86 105 -168 -271 1.46E-03 0.0211 23.29 653.3 40.78 1.268 6407 40.78 115 -158 -253 6.97E-03 0.101 22.83 640.6 39.99 1.243 6282 39.99 125 -148 -235 0.0253 0.366 22.38 627.7 39.19 1.218 6156 39.19 135 -138 -217 0.0739 1.07 21.91 614.6 38.37 1.193 6027 38.37 145 -128 -199 0.183 2.66 21.44 601.3 37.54 1.167 5897 37.54 155 -118 -181 0.398 5.77 20.95 587.8 36.69 1.140 5764 36.69 165 -108 -163 0.777 11.3 20.46 573.9 35.82 1.113 5628 35.82 175 -98.2 -145 1.39 20.2 19.95 559.5 34.93 1.086 5487 34.93 185 -88.2 -127 2.33 33.9 19.42 544.7 34.01 1.057 5342 34.01 195 -78.2 -109 3.69 53.5 18.87 529.2 33.04 1.027 5190 33.04 205 -68.2 -90.7 5.56 80.7 18.29 513.0 32.02 0.9953 5031 32.02 215 -58.2 -72.7 8.05 117 17.67 495.7 30.95 0.9619 4861 30.95 225 -48.2 -54.7 11.3 164 17.01 477.2 29.79 0.9259 4680 29.79 235 -38.2 -36.7 15.3 223 16.29 457.0 28.53 0.8868 4482 28.53 245 -28.2 -18.7 20.4 296 15.49 434.5 27.12 0.8430 4261 27.12 255 -18.2 -0.7 26.5 384 14.56 408.5 25.50 0.7925 4006 25.50 265 -8.1 17.3 33.9 492 13.42 376.4 23.50 0.7304 3692 23.50 275 1.9 35.3 42.8 620 11.79 330.8 20.65 0.6419 3244 20.65 282.35 9.20 48.56 50.4 731 7.637 214.2 13.37 0.4157 2101 13.37 Gas at equilibrium 103.99 -169.16 -272.49 1.22E-03 0.0177 1.41E-04 3.96E-03 2.47E-04 7.68E-06 0.03881 2.47E-04 105 -168 -271 1.46E-03 0.0211 1.67E-04 4.68E-03 2.92E-04 9.08E-06 0.04592 2.92E-04 115 -158 -253 6.97E-03 0.101 7.30E-04 0.02048 1.28E-03 3.97E-05 0.20083 1.28E-03 125 -148 -235 0.0253 0.366 2.44E-03 0.06835 4.27E-03 1.33E-04 0.6702 4.27E-03 135 -138 -217 0.0739 1.07 6.62E-03 0.1857 0.01159 3.60E-04 1.821 0.01159 145 -128 -199 0.183 2.66 0.01533 0.4301 0.02685 8.35E-04 4.218 0.02685 155 -118 -181 0.398 5.77 0.03138 0.8803 0.05495 1.71E-03 8.633 0.05495 165 -108 -163 0.777 11.3 0.05823 1.634 0.1020 3.17E-03 16.02 0.1020 175 -98.2 -145 1.39 20.2 0.1000 2.805 0.1751 5.44E-03 27.51 0.1751 185 -88.2 -127 2.33 33.9 0.1614 4.528 0.2827 0.00879 44.41 0.2827 195 -78.2 -109 3.69 53.5 0.2480 6.958 0.4344 0.01350 68.23 0.4344 205 -68.2 -90.7 5.56 80.7 0.3664 10.28 0.6416 0.01994 100.8 0.6416 215 -58.2 -72.7 8.05 117 0.5247 14.72 0.9189 0.02856 144.3 0.9189 225 -48.2 -54.7 11.3 164 0.7339 20.59 1.285 0.03995 201.9 1.285 235 -38.2 -36.7 15.3 223 1.009 28.31 1.767 0.05493 277.6 1.767 245 -28.2 -18.7 20.4 296 1.375 38.56 2.408 0.07483 378.2 2.408 255 -18.2 -0.7 26.5 384 1.872 52.51 3.278 0.1019 515.0 3.278 265 -8.1 17.3 33.9 492 2.589 72.62 4.533 0.1409 712.1 4.533 275 1.9 35.3 42.8 620 3.795 106.5 6.646 0.2066 1044 6.646 282.35 9.20 48.56 50.4 731 7.637 214.2 13.37 0.4157 2101 13.37 Liquid 150 -123.2 -190 1 14.5 21.20 594.6 37.12 1.154 5831 37.12 169.16 -103.99 -155.18 1 14.5 20.55 576.4 35.98 1.118 5652 35.98 Gas 169.16 -103.99 -155.18 1 14.5 0.07352 2.062 0.1288 4.00E-03 20.23 0.1288 225 -48.2 -54.7 1 14.5 0.05418 1.520 0.09489 2.95E-03 14.91 0.09489 300 26.9 80.3 1 14.5 0.04031 1.131 0.07060 2.19E-03 11.09 0.07059 375 102 215 1 14.5 0.03216 0.9022 0.05632 1.75E-03 8.847 0.05632 450 176.9 350 1 14.5 0.02676 0.7507 0.04686 1.46E-03 7.362 0.04686 Liquid 150 -123 -190 10 145 21.22 595.3 37.16 1.155 5838 37.16 221.33 -51.82 -61.28 10 145 17.26 484.2 30.23 0.9395 4748 30.23 Gas 221.33 -51.82 -61.28 10 145 0.6503 18.24 1.139 0.03540 178.9 1.139 225 -48.2 -54.7 10 145 0.6321 17.73 1.107 0.03441 173.9 1.107 300 26.9 80.3 10 145 0.4254 11.93 0.7450 0.02316 117.0 0.7450 375 102 215 10 145 0.3296 9.246 0.5772 0.01794 90.68 0.5772 450 177 350 10 145 0.2710 7.602 0.4746 0.01475 74.55 0.4746 Liquid 150 -123 -190 50 725 21.33 598.4 37.36 1.161 5868 37.36 225 -48.2 -54.7 50 725 17.36 487.0 30.40 0.9449 4776 30.40 281.98 8.83 47.89 50 725 9.049 253.9 15.85 0.4926 2489 15.85 Gas 281.98 8.83 47.89 50 725 6.241 175.1 10.93 0.3397 1717 10.93 300 26.9 80.3 50 725 3.128 87.75 5.478 0.1703 860.5 5.478 375 102 215 50 725 1.859 52.15 3.256 0.1012 511.4 3.256 450 177 350 50 725 1.430 40.12 2.504 0.07784 393.4 2.504 Liquid 150 -123.2 -189.7 100 1450 21.46 602.0 37.58 1.168 5904 37.58 225 -48.2 -55 100 1450 17.74 497.7 31.07 0.9656 4880 31.07 Supercritical phase 300 27 80 100 1450 11.51 322.9 20.16 0.6265 3166 20.16 375 102 215 100 1450 4.358 122.3 7.632 0.2372 1199 7.632 450 177 350 100 1450 3.029 84.97 5.305 0.1649 833.3 5.305

Density units conversion:

Density converter

kilogram/cubic meter [kg/m3] = gram/liter [g/l], kilogram/liter [kg/l] = gram/cubic centimeter [g/cm3]= ton(metric)/cubic meter [t/m3], once/gallon(US liquid) [oz/gal(US liq)] pound/cubic inch [lb/in3], pound/cubic foot [lb/ft3], pound/gallon(UK) [lb/gal(UK)], pound/gallon(US liquid) [lb/gal(US liq)], slug/cubic foot [sl/ft3], ton(short)/cubic yard [ton(short)/yd3], ton(long)/cubic yard [yd3]

• 1 g/cm3 = 1 kg/l = 1000 kg/m3 = 62.428 lb/ft3 = 0.03613 lb/in3 = 1.9403 sl/ft3 = 10.0224 lb/gal(UK) = 8.3454 lb/gal(US liq) = 0.5780 oz/in= 0.7525 ton(long)/yr3
• 1 g/l = 1 kg/m3 = 0.001 kg/l = 0.000001 kg/cm3 = 0.001 g/cm3 = 0.99885 oz/ft3  = 0.0005780 oz/in3 = 0.16036 oz/gal(UK) = 0.1335 oz/gal(US liq) = 0.06243 lb/ft3 = 3.6127x10-5 lb/in3 = 1.6856 lb/yd3 = 0.010022 lb/gal(UK) = 0.0083454 lb/gal(US liq) = 0.0007525 ton(long)/yd= 0.0008428 ton(short)/yd3
• 1 kg/l = 1 g/cm3 = 1000 kg/m3 = 62.428 lb/ft3 = 0.03613 lb/in3 = 1.9403 sl/ft3 = 8.3454 lb/gal(US liq) = 0.5780 oz/in= 0.7525 ton(long)/yr3
• 1 kg/m3 = 1 g/l = 0.001 kg/l = 0.000001 kg/cm3 = 0.001 g/cm3 = 0.99885 oz/ft3  = 0.0005780 oz/in3 = 0.16036 oz/gal(UK) = 0.1335 oz/gal(US liq) = 0.06243 lb/ft3 = 3.6127x10-5 lb/in3 = 1.6856 lb/yd3 = 0.010022 lb/gal(UK) = 0.008345 lb/gal(US liq) = 0.0007525 ton(long)/yd = 0.0008428 ton(short)/yd
• 1 lb/ft3 = 27 lb/yd3 = 0.009259 oz/in= 0.0005787 lb/in= 16.01845 kg/m3 = 0.01602 g/cm3  = 0.1605 lb/gal(UK) = 0.1349 lb/gal(US liq) = 2.5687 oz/gal(UK) = 2.1389 oz/gal(US liq) = 0.01205 ton(long)/yd3 = 0.0135 ton(short)/yd3
• 1 lb/gal(UK) = 0.8327 lb/gal(US liq) = 16 oz/gal(UK) = 13.323 oz/gal(US liq) = 168.179 lb/yd3 = 6.2288 lb/ft3 = 0.003605 lb/in3 = 0.05767 oz/in = 99.7764 kg/m3 = 0.09977 g/cm3  = 0.07508 ton(long)/yd3 = 0.08409 ton(short)/yd3
• 1 lb/gal(US liq) = 1.2009 lb/gal(UK) = 19.215 oz/gal(UK) = 16 oz/gal(US liq) = 201.97 lb/yd3 = 7.4805 lb/ft3 = 0.004329 lb/in3 = 0.06926 oz/in = 119.826 kg/m3 = 0.1198 g/cm3  = 0.09017 ton(long)/yd3 = 0.1010 ton(short)/yd3
• 1 lb/in3 = 1728 lb/ft3 = 46656 lb/yd3 = 16 oz/in= 27680 kg/m3 = 27.680 g/cm3  = 277.419 lb/gal(UK) = 231 lb/gal(US liq) =4438.7 oz/gal(UK) = 3696 oz/gal(US liq) = 20.8286 ton(long)/yd3 = 23.3280 ton(short)/yd3
• 1 oz/gal(UK) =  0.8327 oz/gal(US liq) = 6.2360 kg/m3 = 6.2288 oz/ft3 = 0.3893 lb/ft3 = 10.5112 lb/yd3
• 1 oz/gal(US liq) = 1.2009 oz/gal(UK) = 7.4892 kg/m3 = 7.4805 oz/ft3 = 0.4675 lb/ft3 = 12.6234 lb/yd3
• 1 sl/ft3 = 515.3788 kg/m3 = 514.7848 oz/ft3 = 0.2979 oz/in3 = 32.1741 lb/ft3 = 82.645 oz/gal(UK) = 68.817 oz/gal(US liq)
• 1 ton(long)/yd3 = 1.12 ton(short)/yd3 = 1328.94 kg/m3 = 0.7682 oz/in3 = 82.963 lb/ft3 = 2240 lb/yd3 = 2.5786 sl/ft3 = 13.319 lb/gal(UK) = 11.0905 lb/gal(US liq)
• 1 ton(short)/yd3 = 0.8929 ton(long)/yd3 = 1186.55 kg/m3 = 0.6859 oz/in3 = 74.074 lb/ft3 = 2000 lb/yd3 = 2.3023 sl/ft3 = 11.8921 lb/gal(UK) = 9.9023 lb/gal(US liq)

## Related Topics

• Fluid Mechanics - The study of fluids - liquids and gases. Involving velocity, pressure, density and temperature as functions of space and time.
• Material Properties - Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
• Thermodynamics - Work, heat and energy systems.
• Densities - Densities of solids, liquids and gases. Definitions and convertion calculators.

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## Citation

• Engineering ToolBox, (2018). Ethylene - Density and Specific Weight vs. Temperature and Pressure. [online] Available at: https://www.engineeringtoolbox.com/ethylene-ethene-acetene-C2H4-density-specific-weight-temperature-pressure-d_2105.html [Accessed Day Mo. Year].

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