Methane Density Specific Weight Temperature Pressure
Reference data and engineering information about methane density specific weight temperature pressure for gases and compressed air applications.
Overview
Engineering reference data for Methane Density Specific Weight Temperature Pressure in gases and compressed air.
Key Formulas
Ideal Gas Law
Pressure × Volume = moles × gas constant × temperature.
Boyle's Law
At constant temperature.
Charles's Law
At constant pressure.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Pressure | Pa | |
| Volume | m³ | |
| Temperature | K | |
| Gas constant | 8.314 J/(mol·K) |
Methane Density and Specific Weight Data
The following table provides density and specific weight values for methane across various temperatures and pressures, covering its liquid，gaseous，and supercritical states.
State | Temperature(K) | Temperature(°C) | Temperature(°F) | Pressure(bara) | Pressure(psia) | Density(mol/dm³) | Density(kg/m³) | Density(lbm/ft³) | Specific Weight(N/m³) | Specific Weight(lbf/ft³) |
|---|---|---|---|---|---|---|---|---|---|---|
| Liquid | 100 | -173 | -280 | 1 | 14.5 | 27.36 | 438.9 | 27.4 | 4304 | 27.4 |
| Liquid | 111.51 | -161.6 | -259 | 1 | 14.5 | 26.34 | 422.6 | 26.38 | 4144 | 26.38 |
| Gas | 111.51 | -161.6 | -259 | 1 | 14.5 | 0.1119 | 1.795 | 0.112 | 17.6 | 0.112 |
| Gas | 140 | -133 | -208 | 1 | 14.5 | 0.08746 | 1.403 | 0.08759 | 13.76 | 0.08759 |
| Gas | 180 | -93.2 | -136 | 1 | 14.5 | 0.06738 | 1.081 | 0.06748 | 10.6 | 0.06748 |
| Gas | 200 | -73.2 | -99.7 | 1 | 14.5 | 0.06052 | 0.9708 | 0.06061 | 9.521 | 0.06061 |
| Gas | 220 | -53.2 | -63.7 | 1 | 14.5 | 0.05493 | 0.8812 | 0.05501 | 8.642 | 0.05501 |
| Gas | 240 | -33.2 | -27.7 | 1 | 14.5 | 0.0503 | 0.8069 | 0.05037 | 7.913 | 0.05037 |
| Gas | 260 | -13.2 | 8.3 | 1 | 14.5 | 0.04639 | 0.7442 | 0.04646 | 7.298 | 0.04646 |
| Gas | 280 | 6.9 | 44.3 | 1 | 14.5 | 0.04305 | 0.6906 | 0.04311 | 6.772 | 0.04311 |
| Gas | 300 | 26.9 | 80.3 | 1 | 14.5 | 0.04016 | 0.6442 | 0.04022 | 6.318 | 0.04022 |
| Liquid | 100 | -173 | -280 | 10 | 145 | 27.4 | 439.6 | 27.44 | 4311 | 27.44 |
| Liquid | 149.14 | -124 | -191.2 | 10 | 145 | 22.42 | 359.6 | 22.45 | 3526 | 22.45 |
| Gas | 149.14 | -124 | -191.2 | 10 | 145 | 0.9785 | 15.7 | 0.98 | 153.9 | 0.98 |
| Gas | 160 | -113 | -172 | 10 | 145 | 0.8708 | 13.97 | 0.8721 | 137 | 0.8721 |
| Gas | 180 | -93.2 | -136 | 10 | 145 | 0.7362 | 11.81 | 0.7373 | 115.8 | 0.7373 |
| Liquid | 100 | -173 | -280 | 50 | 725 | 27.59 | 442.5 | 27.63 | 4340 | 27.63 |
| Supercritical | 200 | -73.2 | -99.7 | 50 | 725 | 5.471 | 87.76 | 5.479 | 860.6 | 5.479 |
| Supercritical | 250 | -23.2 | -9.7 | 50 | 725 | 3.117 | 50 | 3.121 | 490.3 | 3.121 |
| Supercritical | 300 | 26.9 | 80.3 | 50 | 725 | 2.18 | 34.97 | 2.183 | 342.9 | 2.183 |
Source: engineeringtoolbox.com
Online Calculator Reference
An interactive calculator is available to estimate the density and specific weight of gaseous methane for a given temperature and pressure. It provides results in multiple unit systems:
- Density: kg/m³, lb/ft³, lb/gal (US liq), sl/ft³
- Specific Weight: N/m³, lbf/ft³
Related Properties
For a comprehensive understanding of methane's thermophysical behavior，consult data on its properties at varying temperature and pressure，including:
- Dynamic and kinematic viscosity
- Specific heat (heat capacity)
- Thermal conductivity
- Prandtl number
Density Unit Conversions
Key conversion factors between common density units: