Free tools
Useful before you sign up for anything
Every tool runs entirely in your browser. No account, no email, nothing sent to a server. They share the same versioned method as the platform, so results are comparable.
LCOH calculator →
Turn catalyst performance and an operating point into kWh/kg H2, iridium intensity and levelised cost of hydrogen, with a full breakdown.
Iridium intensity calculator →
Convert loading and power density into grams per kilowatt, tonnes per gigawatt, and a share of world annual supply.
Overpotential converter →
Extrapolate a reported overpotential to commercial current density with a Tafel slope, so published claims become comparable.
Because they are the honest half of the pitch. If the cost model is wrong, you should be able to find that out for free before you ever pay us for a calculation. The method is published at /method.