Hydrogen Safety Distance Calculator

Calculate exclusion zones, flammable cloud radius, thermal radiation distance, and overpressure distance for hydrogen leak scenarios.

Leak Rate (kg/s)

Wind Speed (m/s)

Ambient Temperature (°C)

Enclosure Type

Tab to move between fields

Exclusion Zone

6.17 m

Flammable Cloud Radius4.11 m

Thermal Radiation Distance4.74 m

Overpressure Distance9.28 m

Risk Category2 / 5

How to Use This Calculator

Enter Leak Rate (kg/s), Wind Speed (m/s), and Ambient Temperature (°C).
Set Enclosure Type.
Review the Exclusion Zone (m) result.
Use Flammable Cloud Radius and Thermal Radiation Distance to inform your decision.
Use the chart to visualize the results and explore different scenarios by adjusting inputs.

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