Engineering Tools
Open calculators
for hydrogen projects.
Real gas cylinder sizing, NPV-based LCOH modelling, LCOE comparison across fuel cells, batteries, and diesel, and telecom tower backup feasibility — built in-house, free to use.
Gas
Cylinder volume
L
Number of cylinders
Storage pressure
bar
Temperature
°C
Uses van der Waals real gas equation (not ideal gas). Significantly more accurate at high pressures for H₂.
Total mass
0.702kg
Volume at NTP
7.808Nm³
Energy content (HHV)
23.4kWh
Energy per cylinder
23.4kWh / cyl
Depressurisation curve — mass remaining vs. pressure (1 cylinder)
Constant temperature · 25°C · van der Waals
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.