IMPORTANT INFORMATION REGARDING COVID-19

Hydrogen Conversions

You may use this calculator to do simple conversions between four popular phase points of hydrogen:

  1. liquid at boiling point (-252.87°C at 1 atm).
  2. gas at Normal Temperature and Pressure (NTP = 20°C at 1 atm).
  3. gas at standard conditions (15.6°C at 1 atm).
  4. gas at standard conditions (0°C at 1 atm).

Conversion of states of matter

*Select input and output states of matter.

*The information which you calculate from this Calculator is intended for use by you as a guide only. The figures and formulae used within this calculator may change at any time without notice.

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