Psychrometric Chart Excel ((better)) Jun 2026

For RH=10%: =0.62198*(0.1*B2)/(101325 - 0.1*B2)

We can use the following formulas to calculate these properties: psychrometric chart excel

' Customize chart cht.Axes(xlCategory).HasTitle = True cht.Axes(xlCategory).AxisTitle.Text = "Dry bulb temperature (°C)" cht.Axes(xlValue).HasTitle = True cht.Axes(xlValue).AxisTitle.Text = "Saturation vapor pressure (kPa)" For RH=10%: =0

| T_db (°C) | RH 10% | RH 30% | RH 50% | RH 70% | RH 100% | |-----------|--------|--------|--------|--------|---------| psychrometric chart excel