Psychrometric Chart Calculator

Pick any two different psychrometric properties, calculate the state, save points, and trace process lines on an interactive chart.

State Inputs

Use any two different properties. Previous state links create process lines on the chart.

State name

Previous state

Elevation

ft

Atmospheric pressure

psia

Property 1

Property 2

These values update from the currently solved state.

Dry bulb

degF

Wet bulb

degF

Dew point

degF

Enthalpy

Btu/lb

Choose any two different properties, then calculate the state.

Select rows or cards to compare them on the chart. On mobile the list switches to stacked cards to avoid sideways scrolling.

The chart updates with the current point, saved states, and process lines from any selected previous state.

Found a bug or have a feature request? Submitting this form opens an email draft to the developer.

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