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

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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 butane 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 Butane Density Calculator

The calculator below can be used to estimate the density and specific weight of butane at given temperature and atmospheric pressure. (Boiling point of butane is -0.8°C / 30.5°F, and thus, butane is present as liquid below this 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 other properties of Butane at varying temperature and pressure: Dynamic and Kinematic Viscosity , Specific heat (Heat capacity) , Thermal conductivity , and Thermophysical properties at standard conditions , as well as density and specific weight o acetone , air , ammonia , argon , benzene , 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.

Density and specific weight of gaseous butane at varying temperature and atmospheric pressure, SI and Imperial units:

.

Density and specific weight of liquid butane at varying temperature and the gas-liquid equilibrium pressure, SI and Imperial units:

Density of butane at varying temperature and pressure, SI and Imperial units:

.

The density of liquid butane is nearly the same for all pressures up to 100 bara and 25 °C (77°F), and the density of the liquid at equilibrium pressure can be used for most practical purposes.

Density of butane at varying temperature and equilibrium pressure, SI and Imperial units:

.

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

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

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

Liquid at

equilibrium

134.9 -138.25 -216.85 6.7E-06 9.7E-05 12.65 735.0 45.88 1.426 7208 45.88
150 -123 -190 8.6E-05 1.2E-03 12.40 720.9 45.00 1.399 7070 45.00
200 -73 -100 0.0194 0.281 11.60 674.0 42.08 1.308 6610 42.08
220 -53 -64 0.0781 1.13 11.27 654.8 40.88 1.271 6421 40.88
240 -33.2 -28 0.241 3.49 10.93 635.1 39.65 1.232 6228 39.65
260 -13.2 8.3 0.610 8.84 10.57 614.6 38.37 1.193 6027 38.37
280 6.9 44.3 1.33 19.3 10.21 593.3 37.04 1.151 5818 37.04
300 26.9 80.3 2.58 37.4 9.819 570.7 35.63 1.107 5597 35.63
320 46.9 116 4.56 66.2 9.401 546.4 34.11 1.060 5358 34.11
340 66.9 152 7.52 109 8.942 519.7 32.44 1.008 5097 32.44
360 86.9 188 11.7 170 8.424 489.6 30.56 0.9500 4801 30.56
380 106.9 224 17.4 252 7.815 454.2 28.35 0.8813 4454 28.35
400 126.9 260 25.0 362 7.028 408.5 25.50 0.7926 4006 25.50
420 146.9 296 34.9 506 5.640 327.8 20.46 0.6360 3215 20.46
425.13 151.98 305.56 38.0 551 3.923 228.0 14.23 0.4424 2236 14.23

Gas at

equilibrium

134.9 -138.25 -216.85 6.7E-06 9.7E-05 5.94E-07 3.45E-05 2.15E-06 6.69E-08 3.4E-04 2.2E-06
150 -123 -190 8.6E-05 1.2E-03 6.87E-06 4.00E-04 2.49E-05 7.75E-07 3.9E-03 2.5E-05
200 -73 -100 0.0194 0.281 0.00117 0.06792 0.00424 1.32E-04 0.666 4.2E-03
220 -53 -64 0.0781 1.13 0.00429 0.2496 0.016 4.84E-04 2.448 0.0156
240 -33.2 -28 0.241 3.49 0.01225 0.7120 0.04445 1.38E-03 6.982 0.0444
260 -13.2 8.3 0.610 8.84 0.02904 1.688 0.10538 0.00328 16.55 0.1054
280 6.9 44.3 1.33 19.3 0.06005 3.490 0.2179 0.00677 34.23 0.2179
300 26.9 80.3 2.58 37.4 0.1121 6.516 0.4068 0.01264 63.90 0.4068
320 46.9 116 4.56 66.2 0.1942 11.29 0.7048 0.02191 110.7 0.7048
340 66.9 152 7.52 109 0.3186 18.52 1.156 0.03593 181.6 1.156
360 86.9 188 11.7 170 0.5050 29.35 1.832 0.05695 287.8 1.832
380 107 224 17.4 252 0.7889 45.85 2.862 0.08896 449.6 2.862
400 127 260 25.0 362 1.257 73.08 4.562 0.1418 716.7 4.562
420 147 296 34.9 506 2.323 135.0 8.428 0.2619 1324 8.428
425.13 151.98 305.56 38.0 551 3.923 228.0 14.23 0.4424 2236 14.23
Liquid 150 -123 -190 1 14.5 12.40 720.9 45.01 1.399 7070 45.01
200 -73.2 -100 1 14.5 11.60 674.0 42.08 1.308 6610 42.08
250 -23.2 -9.7 1 14.5 10.75 625.0 39.02 1.213 6129 39.02
272.31 -0.8 30.5 1 14.5 10.35 601.6 37.56 1.167 5900 37.56
Gas 272.31 -0.8 30.5 1 14.5 0.04605 2.676 0.1671 0.00519 26.24 0.1671
300 26.9 80.3 1 14.5 0.04129 2.400 0.1498 0.00466 23.53 0.1498
350 76.9 170 1 14.5 0.03496 2.032 0.1269 0.00394 19.93 0.1269
400 127 260 1 14.5 0.03040 1.767 0.1103 0.00343 17.33 0.1103
450 177 350 1 14.5 0.02692 1.565 0.09769 0.00304 15.35 0.0977
500 227 440 1 14.5 0.02418 1.405 0.08772 0.00273 13.78 0.0877
550 277 530 1 14.5 0.02195 1.275 0.07963 0.00247 12.51 0.0796
Liquid 150 -123 -190 10 145 12.41 721.4 45.03 1.400 7074 45.03
200 -73.2 -100 10 145 11.61 674.7 42.12 1.309 6616 42.12
250 -23.2 -9.7 10 145 10.77 626.0 39.08 1.215 6139 39.08
300 26.9 80.3 10 145 9.841 572.0 35.71 1.110 5609 35.71
350 76.9 170 10 145 8.695 505.4 31.55 0.9806 4956 31.55
352.62 79.5 175 10 145 8.623 501.2 31.29 0.9725 4915 31.29
Gas 352.62 79.5 175 10 145 0.4273 24.83 1.550 0.04819 243.5 1.550
400 127 260 10 145 0.3418 19.87 1.240 0.03855 194.8 1.240
450 177 350 10 145 0.2896 16.83 1.051 0.03266 165.1 1.051
500 227 440 10 145 0.2537 14.75 0.9205 0.02861 144.6 0.9205
550 277 530 10 145 0.2268 13.18 0.8229 0.02558 129.3 0.8229
Liquid 150 -123 -190 50 725 12.44 723.2 45.15 1.403 7092 45.15
200 -73.2 -100 50 725 11.65 677.3 42.28 1.314 6642 42.28
250 -23.2 -9.7 50 725 10.84 629.9 39.33 1.222 6177 39.33
300 26.9 80.3 50 725 9.955 578.6 36.12 1.123 5674 36.12
350 76.9 170 50 725 8.924 518.7 32.38 1.006 5086 32.38
400 127 260 50 725 7.522 437.2 27.29 0.848 4287 27.29
Supercritical
phase
450 177 350 50 725 3.121 181.4 11.32 0.352 1779 11.32
500 227 440 50 725 1.705 99.10 6.187 0.1923 971.9 6.187
550 277 530 50 725 1.344 78.13 4.878 0.1516 766.2 4.878
Liquid 150 -123 -190 100 1450 12.48 725.4 45.28 1.407 7113 45.28
200 -73.2 -100 100 1450 11.71 680.4 42.48 1.320 6673 42.48
250 -23.2 -9.7 100 1450 10.92 634.6 39.62 1.231 6224 39.62
300 26.9 80.3 100 1450 10.08 586.0 36.58 1.137 5747 36.58
350 76.9 170 100 1450 9.148 531.7 33.19 1.032 5214 33.19
400 127 260 100 1450 8.035 467.0 29.15 0.9061 4580 29.15
450 177 350 100 1450 6.568 381.7 23.83 0.7407 3744 23.83
Supercritical
phase
500 227 440 100 1450 4.609 267.9 16.72 0.5198 2627 16.72
550 277 530 100 1450 3.234 188.0 11.73 0.3647 1843 11.73
Liquid 150 -123 -190 300 4351 12.62 733.6 45.80 1.423 7194 45.80
200 -73.2 -100 300 4351 11.91 691.9 43.20 1.343 6786 43.20
250 -23.2 -9.7 300 4351 11.20 650.8 40.63 1.263 6382 40.63
300 26.9 80.3 300 4351 10.48 609.3 38.04 1.182 5975 38.04
350 76.9 170 300 4351 9.755 567.0 35.39 1.100 5560 35.39
400 127 260 300 4351 9.004 523.3 32.67 1.015 5132 32.67
450 177 350 300 4351 8.232 478.5 29.87 0.9284 4692 29.87
Supercritical
phase
500 227 440 300 4351 7.456 433.4 27.05 0.8409 4250 27.05
550 277 530 300 4351 6.704 389.6 24.32 0.7560 3821 24.32
Liquid 150 -123 -190 650 9427 12.84 746.5 46.60 1.449 7321 46.60
200 -73.2 -100 650 9427 12.20 708.9 44.25 1.375 6952 44.25
250 -23.2 -9.7 650 9427 11.58 672.8 42.00 1.306 6598 42.00
300 26.9 80.3 650 9427 10.98 638.1 39.84 1.238 6258 39.84
350 76.9 170 650 9427 10.40 604.4 37.73 1.173 5927 37.73
400 127 260 650 9427 9.837 571.8 35.69 1.109 5607 35.69
450 177 350 650 9427 9.294 540.2 33.72 1.048 5297 33.72
Supercritical
phase
500 227 440 650 9427 8.771 509.8 31.83 0.9892 4999 31.83
550 277 530 650 9427 8.274 480.9 30.02 0.9331 4716 30.02

Phase diagram of butane

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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