Umagine
Gas cylinder capacity

How much gas is in the cylinder?

Mass, volume at NTP and energy content of hydrogen, oxygen or nitrogen in one cylinder or a bank, from the van der Waals real-gas equation rather than the ideal gas law, with the depressurisation curve.

Umagine Hydrogen cylinder model · inputs
Gas
Cylinder volume
L
Number of cylinders
Storage pressure
bar
Temperature
°C
Umagine Hydrogen (UHPL) cylinder model: van der Waals real gas equation (not ideal gas). Significantly more accurate at high pressures for H₂.
Umagine Hydrogen · UHPLCylinder capacityumagine.co.in/cylinder-calculator.html
Total mass
UHPL
0.702kg
Volume at NTP
UHPL
7.808Nm³
Energy content (HHV)
UHPL
23.4kWh
Energy per cylinder
UHPL
23.4kWh / cyl
Depressurisation curve — mass remaining vs. pressure (1 cylinder)
Umagine Hydrogen (UHPL) · umagine.co.in00.1470.2950.4420.5900.7370.0100200Pressure (bar)Mass remaining (kg)
Constant temperature · 25°C · van der Waals · Umagine Hydrogen (UHPL)

More calculators

All tools
LCOH calculatorNPV-based · electrolyserLCOA calculatorGreen ammonia · NPV-basedLCOE comparisonH2C0 fuel cell vs Li-ion vs DGTelecom tower backupDG vs H2C0 fuel cell · 20-yr LCOEFuel cell sizingH2C0 system · get a proposalFCEV sizingVehicles & fleets · H2C0 fuel cell
Need a full techno-economic study?

These calculators are illustrative. Our consulting goes deeper.

FEED-level LCOH modelling, sensitivity analysis, and project-specific feasibility — under our Green Hydrogen consulting practice.

See green hydrogen →Talk to an engineer