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Butane - Dynamic and Kinematic Viscosity vs. Temperature and Pressure

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The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress .

For further definitions, go to Absolute (dynamic) and kinematic viscosity . Absolute or dynamic viscosity is used to calculate Reynold's Number to determine if a fluid flow is laminar, transient or turbulent.

Tabulated values of butane viscosity and viscosity units conversion are given below the figures.

Online Butane Viscosity Calculator

The calculator below can be used to estimate butane dynamic or kinematic viscosity at given temperatures and atmospheric pressure.
The output dynamic viscosity is given as Pa*s, N*s/m 2 , cP, mPa*s, lb f *s/ft 2 and lb m /(ft*h),
while the kinematic viscosity is given as cSt, m 2 /s, and ft 2 /s

Choose the actual unit of temperature:



See also other properties of Butane at varying temperature and pressure: Density and specific weight , Specific Heat (Heat Capacity) and Thermal conductivity ,  and Thermophysical properties at standard conditions ,
as well as dynamic and kinematic viscosity of air , ammonia , benzene , carbon dioxide , ethane , ethanol , ethylene , methane , methanol , nitrogen , oxygen , propane and water .

Dynamic and kinematic viscosity of gaseous butane at atmospheric pressure and varying temperature:



Dynamic and kinematic viscosity of liquid butane at atmospheric pressure and varying temperature:



Dynamic viscosity of butane at varying temperature and 1, 10, 50 and 100 bara (14.5, 145, 725 and 1450 psia):




Kinematic viscosity of butane at varying temperature and 1, 10, 50 and 100 bara (14.5, 145, 725 and 1450 psia):



Dynamic viscosity of butane at gas-liquid equilibrium pressure:



Kinematic viscosity of butane at gas-liquid equilibrium pressure:





Dynamic (absolute) and kinematic viscosity of butane at given temperatures and pressures, SI and Imperial units:

For full table with Dynamic and Kinematic Viscosity - rotate the screen!

Butane - Dynamic and Kinematic Viscosity vs. Temperature and Pressure
State Temperature Pressure Dynamic (Absolute) Viscosity Kinematic Viscosity
[K] [°C] [°F] [bara] [psia] [μPa s] [cP] [x10 -6 lb f s/ft 2 ] [x10 -6 lb m /ft s] [lb m /ft h] [cSt],
[x10 -6 m 2 /s] 		[x10 -6 ft 2 /s]

Liquid at

equilibrium

 134.9 -138.25 -216.85 6.7E-06 9.7E-05 2304 2.304 48.12 1548 5.574 3.13 33.7
150 -123 -190 8.6E-05 1.2E-03 1370 1.370 28.61 920.6 3.314 1.90 20.5
200 -73 -100 0.0194 0.281 496.5 0.4965 10.37 333.6 1.201 0.737 7.93
220 -53 -64 0.0781 1.13 373.4 0.3734 7.799 250.9 0.9033 0.570 6.14
240 -33.2 -28 0.241 3.49 290.9 0.2909 6.076 195.5 0.7037 0.458 4.93
260 -13.2 8.3 0.610 8.84 232.3 0.2323 4.852 156.1 0.5620 0.378 4.07
280 6.9 44.3 1.33 19.3 189.0 0.1890 3.947 127.0 0.4572 0.319 3.43
300 26.9 80.3 2.58 37.4 155.6 0.1556 3.250 104.6 0.3764 0.273 2.93
320 46.9 116 4.56 66.2 129.1 0.1291 2.696 86.75 0.3123 0.236 2.54
340 66.9 152 7.52 109 107.2 0.1072 2.239 72.04 0.2593 0.206 2.22
360 86.9 188 11.7 170 88.54 0.08854 1.849 59.50 0.2142 0.181 1.95
380 106.9 224 17.4 252 71.86 0.07186 1.501 48.29 0.1738 0.158 1.70
400 126.9 260 25.0 362 55.96 0.05596 1.169 37.60 0.1354 0.137 1.47
420 146.9 296 34.9 506 37.39 0.03739 0.7809 25.12 0.09045 0.114 1.23
425.13 151.98 305.56 38.0 551 23.90 0.02390 0.4992 16.06 0.05782 0.105 1.13

Gas at

equilibrium

 134.9 -138.25 -216.85 6.7E-06 9.7E-05 3.321 0.00332 0.06936 2.232 0.00803 96261 1036142
150 -123 -190 8.6E-05 1.2E-03 3.709 0.00371 0.07746 2.492 0.00897 9284 99933
200 -73 -100 0.0194 0.281 4.979 0.00498 0.1040 3.346 0.01204 73.3 789
220 -53 -64 0.0781 1.13 5.477 0.00548 0.1144 3.680 0.01325 21.9 236
240 -33.2 -28 0.241 3.49 5.966 0.00597 0.1246 4.009 0.01443 8.38 90.2
260 -13.2 8.3 0.610 8.84 6.450 0.00645 0.1347 4.334 0.01560 3.82 41.1
280 6.9 44.3 1.33 19.3 6.935 0.00694 0.1448 4.660 0.01678 1.99 21.4
300 26.9 80.3 2.58 37.4 7.436 0.00744 0.1553 4.997 0.01799 1.14 12.3
320 46.9 116 4.56 66.2 7.978 0.00798 0.1666 5.361 0.01930 0.707 7.61
340 66.9 152 7.52 109 8.601 0.00860 0.1796 5.780 0.02081 0.464 5.00
360 86.9 188 11.7 170 9.369 0.00937 0.1957 6.296 0.02266 0.319 3.44
380 107 224 17.4 252 10.41 0.01041 0.2174 6.995 0.02518 0.227 2.44
400 127 260 25.0 362 12.03 0.01203 0.2513 8.084 0.02910 0.165 1.77
420 147 296 34.9 506 15.96 0.01596 0.3333 10.72 0.03861 0.118 1.27
425.13 151.98 305.56 38.0 551 23.90 0.02390 0.4992 16.06 0.05782 0.105 1.13
Liquid 150 -123 -190 1 14.5 1371 1.371 28.63 921.2 3.316 1.90 20.5
200 -73.2 -100 1 14.5 496.9 0.4969 10.38 333.9 1.202 0.737 7.94
250 -23.2 -9.7 1 14.5 259.4 0.2594 5.418 174.3 0.6276 0.415 4.47
272.31 -0.8 30.5 1 14.5 204.2 0.2042 4.265 137.2 0.4940 0.339 3.65
Gas 272.31 -0.8 30.5 1 14.5 6.748 0.00675 0.1409 4.534 0.01632 2.521 27.14
300 26.9 80.3 1 14.5 7.452 0.00745 0.1556 5.008 0.01803 3.11 33.43
350 76.9 170 1 14.5 8.691 0.00869 0.1815 5.840 0.02102 4.28 46.03
400 127 260 1 14.5 9.899 0.00990 0.2067 6.652 0.02395 5.60 60.30
450 177 350 1 14.5 11.08 0.01108 0.2315 7.447 0.02681 7.08 76.23
500 227 440 1 14.5 12.25 0.01225 0.2558 8.230 0.02963 8.72 93.82
550 277 530 1 14.5 13.40 0.01340 0.2798 9.001 0.03240 10.502 113.04
Liquid 150 -123 -190 10 145 1381 1.381 28.85 928.2 3.341 1.91 20.6
200 -73.2 -100 10 145 500.6 0.5006 10.45 336.4 1.211 0.742 7.99
250 -23.2 -9.7 10 145 261.8 0.2618 5.468 175.9 0.6333 0.418 4.50
300 26.9 80.3 10 145 157.3 0.1573 3.285 105.7 0.3805 0.275 2.96
350 76.9 170 10 145 97.70 0.09770 2.040 65.65 0.2363 0.193 2.08
352.62 79.5 175 10 145 95.14 0.09514 1.987 63.93 0.2301 0.190 2.04
Gas 352.62 79.5 175 10 145 9.063 0.00906 0.1893 6.090 0.02192 0.365 3.93
400 127 260 10 145 10.16 0.01016 0.2121 6.825 0.02457 0.511 5.50
450 177 350 10 145 11.32 0.01132 0.2365 7.609 0.02739 0.673 7.24
500 227 440 10 145 12.48 0.01248 0.2605 8.383 0.03018 0.846 9.11
550 277 530 10 145 13.61 0.01361 0.2843 9.146 0.03293 1.03 11.11
Liquid 150 -123 -190 50 725 1428 1.428 29.83 959.7 3.455 1.97 21.3
200 -73.2 -100 50 725 516.9 0.5169 10.80 347.3 1.250 0.763 8.21
250 -23.2 -9.7 50 725 272.3 0.2723 5.687 183.0 0.6587 0.432 4.65
300 26.9 80.3 50 725 166.0 0.1660 3.466 111.5 0.4015 0.287 3.09
350 76.9 170 50 725 106.8 0.1068 2.230 71.74 0.2583 0.206 2.22
400 127 260 50 725 65.43 0.06543 1.366 43.96 0.1583 0.150 1.61
Supercritical
phase		 450 177 350 50 725 19.32 0.01932 0.4035 12.98 0.04674 0.107 1.15
500 227 440 50 725 14.78 0.01478 0.3086 9.928 0.03574 0.149 1.60
550 277 530 50 725 14.93 0.01493 0.3118 10.03 0.03611 0.191 2.06
Liquid 150 -123 -190 100 1450 1488 1.488 31.08 1000 3.600 2.05 22.1
200 -73.2 -100 100 1450 537.3 0.5373 11.22 361.0 1.300 0.790 8.50
250 -23.2 -9.7 100 1450 285.2 0.2852 5.956 191.6 0.6899 0.449 4.84
300 26.9 80.3 100 1450 176.3 0.1763 3.683 118.5 0.4266 0.301 3.24
350 76.9 170 100 1450 116.8 0.1168 2.439 78.48 0.2825 0.220 2.36
400 127 260 100 1450 77.78 0.07778 1.625 52.27 0.1882 0.167 1.79
450 177 350 100 1450 48.33 0.04833 1.009 32.47 0.1169 0.127 1.36
Supercritical
phase		 500 227 440 100 1450 27.08 0.02708 0.5655 18.19 0.06550 0.101 1.09
550 277 530 100 1450 19.39 0.01939 0.4049 13.03 0.04690 0.103 1.11
Liquid 150 -123 -190 300 4351 1748 1.748 36.51 1175 4.229 2.38 25.6
200 -73.2 -100 300 4351 619.2 0.6192 12.93 416.1 1.498 0.895 9.63
250 -23.2 -9.7 300 4351 335.1 0.3351 6.998 225.1 0.8105 0.515 5.54
300 26.9 80.3 300 4351 214.5 0.2145 4.481 144.2 0.5190 0.352 3.79
350 76.9 170 300 4351 150.5 0.1505 3.142 101.1 0.3640 0.265 2.86
400 127 260 300 4351 110.9 0.1109 2.316 74.53 0.2683 0.212 2.28
450 177 350 300 4351 83.81 0.08381 1.750 56.32 0.2027 0.175 1.89
Supercritical
phase		 500 227 440 300 4351 64.10 0.06410 1.339 43.07 0.1551 0.148 1.59
550 277 530 300 4351 49.56 0.04956 1.035 33.30 0.1199 0.127 1.37
Liquid 150 -123 -190 650 9427 2300 2.300 48.04 1546 5.565 3.08 33.2
200 -73.2 -100 650 9427 766.5 0.7665 16.01 515.0 1.854 1.08 11.6
250 -23.2 -9.7 650 9427 419.1 0.4191 8.754 281.6 1.014 0.623 6.71
300 26.9 80.3 650 9427 275.1 0.2751 5.746 184.9 0.6656 0.431 4.64
350 76.9 170 650 9427 199.8 0.1998 4.172 134.2 0.4833 0.331 3.56
400 127 260 650 9427 154.3 0.1543 3.222 103.7 0.3731 0.270 2.90
450 177 350 650 9427 123.8 0.1238 2.585 83.17 0.2994 0.229 2.47
Supercritical
phase		 500 227 440 650 9427 101.8 0.1018 2.126 68.39 0.2462 0.200 2.15
550 277 530 650 9427 85.08 0.08508 1.777 57.17 0.2058 0.177 1.90

Unit conversion:

Viscosity Dynamic, Absolute

Absolute or Dynamic Viscosity Unit Converter

centipoise [cP], gram/(centimeter second) [g/(cm s)] = poise [P],  kilogram/meter second [kg/m s]=newton second/square meter [N s/m 2 ]= pascal second [Pa s], pound/(foot hour) [lb/(ft h)], pound/(foot second) [lb/(ft s)], reyn [reyn]

  • 1 cP = 0.001 Pa s = 0.01 P = = 0.01 g/(cm sec) = 6.72197x10 -4 lb/(ft s) = 2.4191 lb/(ft h)
  • 1 lb/(ft h) = 0.00027778 lb/(ft s) = 0.00041338 Pa s = 0.0041338 P = 0.41338 cP
  • 1 lb/(ft s) = 3600 lb/(ft h) = 1.48816 Pa s = 14.8816 P = 1488.16 cP
  • 1 kg/(m s ) = 1 (N s)/m 2 = 1 Pa s = 10 P = 1000 cP = 0.672197 lb/(ft s) = 2419.09 lb/(ft h)
  • 1 (N s)/m 2 = 1 kg/(m s ) = 1 Pa s = 10 P = 1000 cP = 0.672197 lb/(ft s) = 2419.09 lb/(ft h)
  • 1 P = 1 g/(cm s) = 0.1 Pa s = 100 cP = 0.067197 lb/(ft s) = 241.909 lb/(ft h)
  • 1 Pa s = 1 kg/(m s) = 1 (N s)/m 2 = 10 P = 1000 cP = 0.672197 lb/(ft s) = 2419.08 lb/(ft h) =  0.00014504 reyn
  • 1 reyn = 6894.76 Pa s

Viscosity Kinematic

Kinematic Viscosity Unit Converter

centistoke [cSt] = square millimeter/second [mm 2 /s], square foot/hour [ft 2 /h], square foot/second [ft 2 /s], square inch/second [in 2 /s], square meter/hour [m 2 /h], square meter/second [m 2 /s], stoke [St] = square centimeter/second [cm 2 /s]

  • 1 cm 2 /s = 1 St = 100 mm 2 /s = 100 cSt = 1x10 -4 m 2 /s = 0.36 m 2 /h = 1.07639x10 -3 ft 2 /s = 3.875008 ft 2 /h = 0.1550003 in 2 /s
  • 1 cSt = 1 mm 2 /s = 0.01 St = 1x10 -6 m 2 /s = 0.0036 m 2 /h = 1.07639x10 -5 ft 2 /s = 0.03875008 ft 2 /h = 0.001550003 in 2 /s
  • 1 ft 2 /h = 2.7778x10 -4 ft 2 /s = 0.04 in 2 /s = 2.58064x10 -5 m 2 /s = 0.09290304 m 2 /h = 25.8064 cS = 0.258064 St
  • 1 ft 2 /s = 3600 ft 2 /h = 144 in 2 /s = 0.09290304 m 2 /s = 334.451 m 2 /h = 92903.04 cSt = 929.0304 St
  • 1 in 2 /s = 0.0069444 ft 2 /s = 25 ft 2 /h = 0.00064516 m 2 /s = 2.322576 m 2 /h = 645.16 cSt = 6.4516 St
  • 1 m 2 /h = 1/3600 m 2 /s = 2.7778x10 -4 m 2 /s = 2.7778 cm 2 /s = 277.78 mm 2 /s = 277.78 cSt = 2.7778 St = 0.00298998 ft 2 /s = 10.7639 ft 2 /h = 0.430556 in 2 /s
  • 1 m 2 /s = 3600 m 2 /h = 1x10 4 cm 2 /s = 1x10 4 St = 1x10 6 mm 2 /s = 1x10 6 cSt = 10.7639 ft 2 /s = 38750.08 ft 2 /h = 1550003 in 2 /s
  • 1 mm 2 /s = 1 cSt = 1x10 -6 m 2 /s = 0.0036 m 2 /h = 0.01 cm 2 /s = 0.01 St = 1.07639x10 -5 ft 2 /s = 0.03875008 ft 2 /h = 0.001550003 in 2 /s
  • 1 St = 1 cm 2 /s = 100 cSt = 100 mm 2 /s = 1x10 -4 m 2 /s = 0.36 m 2 /h = 1.076x10 -3 ft 2 /s = 3.875008 ft 2 /h = 0.1550003 in 2 /s

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