Hydrogen calculators

Convert units, size electrolyzers, and check 45V/RFNBO compliance in seconds.

Free browser-based tools for routine hydrogen engineering and commercial checks. Each tool states its inputs and assumptions so results can be traced back to the number that drives them.

Core engineering checks

• Convert hydrogen units across mass, normal volume, and HHV/LHV energy.
• Convert electrolyzer efficiency between kWh/kg, HHV, LHV, and Nm³/kWh.
• Size an electrolyzer from MW, specific energy consumption, and capacity factor.

Commercial and compliance screening

Use the LCOH tools for cost assumptions, carbon-intensity checks for first-pass 45V/RFNBO screening, and the installed-cost benchmark to keep project boundaries comparable. These tools are not a substitute for a certified lifecycle model or legal review.