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

## Online calculator, figures and table showing density and specific weight of pentane, C5H12, at temperatures ranging from -130 to 325 °C (-200 to 620 °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 pentane 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 Pentane Density Calculator

The calculator below can be used to estimate the density and specific weight of liquid pentane at given temperature.
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.

Choose the actual unit of temperature:

See also pentane : Thermophysical properties at standard conditions , as well as density and specific weight o f acetone , air , ammonia , argon , benzene , butane , carbon dioxide , carbon monoxide , ethane , ethanol , ethylene , helium , hydrogen , methane , methanol , nitrogen , oxygen , 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.

Density and specific weight of liquid pentane at varying temperature and atmospheric pressure, SI and Imperial units:

Density of pentane along the boiling and condensation curve, SI and Imperial units:

The density of liquid pentane is nearly the same for all pressures up to 100 bara, and the density of the liquid at equilibrium pressure can be used for most practical purposes.

Density of pentane vapor (singel phase) at varying temperature and given pressures, SI and Imperial units:

Density and specific weight of pentane at given temperatures and pressures:

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

Pentane - Density and Specific Weight vs. Temperature and Pressure
State Temperature Pressure Density Specific weight
[K] [°C] [°F] [MPa] [bara] [psia] [mol/dm3] [g/l],
[kg/m3]
[lb/ft3] [sl/ft3] [N/m3] [lbf /ft3]

Liquid at

equilibrium

pressure

143.47 -129.7 -201.4 7.63E-08 7.63E-07 1.10E-05 10.57 762.3 47.59 1.479 7476 47.6
150 -123 -190 2.68E-07 2.68E-06 3.89E-05 10.48 756.3 47.21 1.467 7416 47.2
180 -93.2 -136 0.000023 0.00023 0.0034 10.11 729.1 45.51 1.415 7150 45.5
210 -63.2 -81.7 0.00048 0.00482 0.0699 9.734 702.3 43.84 1.363 6887 43.8
240 -33.2 -27.7 0.00421 0.0421 0.611 9.361 675.4 42.16 1.311 6623 42.2
270 -3.1 26.3 0.0211 0.211 3.07 8.979 647.8 40.44 1.257 6353 40.4
300 26.9 80.3 0.0732 0.732 10.6 8.579 619.0 38.64 1.201 6070 38.6
330 56.9 134 0.196 1.96 28.4 8.150 588.0 36.71 1.141 5766 36.7
360 86.9 188 0.436 4.36 63.2 7.677 553.9 34.58 1.075 5431 34.6
390 117 242 0.851 8.51 123 7.132 514.6 32.12 0.998 5046 32.1
420 147 296 1.51 15.1 218 6.460 466.0 29.09 0.904 4570 29.1
450 177 350 2.48 24.8 360 5.487 395.9 24.71 0.768 3882 24.7
469.70 196.6 385.8 3.37 33.7 489 3.216 232.0 14.48 0.450 2275 14.5

Gas at

equilibrium

pressure

143.47 -129.7 -201.4 7.63E-08 7.63E-07 1.11E-05 6.40E-08 4.62E-06 2.88E-07 8.96E-09 4.53E-05 2.88E-07
150 -123 -190 2.68E-07 2.68E-06 3.89E-05 2.15E-07 1.55E-05 9.68E-07 3.01E-08 1.52E-04 9.68E-07
180 -93.2 -136 2.33E-05 2.33E-04 0.0034 1.55E-05 0.00112 7.00E-05 2.18E-06 0.011 7.0E-05
210 -63.2 -81.7 4.82E-04 0.00482 0.0699 2.76E-04 0.0199 0.00124 3.87E-05 0.195 0.00124
240 -33.2 -27.7 0.00421 0.0421 0.611 0.002120 0.1529 0.00955 2.97E-04 1.50 0.00955
270 -3.1 26.3 0.0211 0.211 3.07 0.009555 0.6894 0.04304 0.00134 6.76 0.0430
300 26.9 80.3 0.0732 0.732 10.6 0.03041 2.194 0.1369 0.00426 21.5 0.137
330 56.9 134 0.196 1.96 28.4 0.07673 5.536 0.3456 0.01074 54.3 0.346
360 86.9 188 0.436 4.36 63.2 0.1660 11.98 0.7477 0.02324 117 0.748
390 117 242 0.851 8.51 123 0.3262 23.54 1.469 0.04567 231 1.47
420 147 296 1.51 15.1 218 0.6143 44.32 2.767 0.08599 435 2.77
450 177 350 2.48 24.8 360 1.212 87.43 5.458 0.1696 857 5.46
469.70 196.6 385.8 3.37 33.7 489 3.216 232.0 14.48 0.4502 2275 14.5
Liquid 200 -73.2 -99.7 0.1 1 14.5 9.858 711.3 44.40 1.380 6975 44.4
293 20.0 68.0 0.1 1 14.5 8.679 626.2 39.09 1.215 6141 39.1
300 26.9 80.3 0.10 1 14.5 8.579 619.0 38.64 1.201 6070 38.6
308.83 35.7 96.2 0.10 1 14.5 8.456 610.1 38.09 1.184 5983 38.1
Gas 308.83 35.7 96.2 0.1 1 14.5 0.04073 2.939 0.1835 0.00570 28.8 0.183
400 127 260 0.1 1 14.5 0.03061 2.209 0.1379 0.00429 21.7 0.138
500 227 440 0.1 1 14.5 0.02426 1.750 0.1093 0.00340 17.2 0.109
200 -73.2 -99.7 0.1 1 14.5 0.02014 1.453 0.09069 0.00282 14.2 0.0907
Liquid 200 -73.2 -99.7 1 10 145 9.866 711.8 44.44 1.381 6980 44.4
300 26.9 80.3 1 10 145 8.596 620.2 38.72 1.203 6082 38.7
398.07 124.9 256.9 1 10 145 6.967 502.7 31.38 0.9753 4930 31.4
Gas 398.07 124.9 256.9 1 10 145 0.3875 27.95 1.745 0.05424 274 1.75
400 127 260 1 10 145 0.3832 27.65 1.726 0.05364 271 1.73
500 227 440 1 10 145 0.2638 19.03 1.188 0.03692 187 1.19
600 327 620 1 10 145 0.2098 15.14 0.9450 0.02937 148 0.945
Liquid 200 -73.2 -99.7 5 50 725 9.898 714.1 44.58 1.386 7003 44.6
300 26.9 80.3 5 50 725 8.665 625.2 39.03 1.213 6131 39.0
400 127 260 5 50 725 7.161 516.7 32.25 1.003 5067 32.3

Supercritical

phase

500 227 440 5 50 725 3.255 234.9 14.66 0.4557 2303 14.7
600 327 620 5 50 725 1.283 92.60 5.781 0.1797 908 5.78
Liquid 200 -73.2 -99.7 10 100 1450 9.937 717.0 44.76 1.391 7031 44.8
300 26.9 80.3 10 100 1450 8.745 631.0 39.39 1.224 6188 39.4
400 127 260 10 100 1450 7.379 532.4 33.24 1.033 5221 33.2

Supercritical

phase
500 227 440 10 100 1450 5.458 393.8 24.58 0.7641 3862 24.6
600 327 620 10 100 1450 3.077 222.0 13.86 0.4308 2177 13.9

Phase diagram of pentane

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/in3 = 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)/yd3 = 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/in3 = 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)/yd3 = 0.0008428 ton(short)/yd3
• 1 lb/ft3 = 27 lb/yd3 = 0.009259 oz/in3 = 0.0005787 lb/in3 = 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/in3 = 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/in3 = 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/in3 = 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)

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## Citation

• The Engineering ToolBox (2018). Pentane - Density and Specific Weight vs. Temperature and Pressure . [online] Available at: https://www.engineeringtoolbox.com/pentane-density-specific-weight-temperaure-pressure-d_2050.html [Accessed Day Month Year].

Modify the access date according your visit.

6.3.17

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