Humidity Calculator
Formula Sources
Main Site
Contact
Inputs:
Known Parameter
Relative Humidity
Dew Point
Dew/Frost Point
Water Vapour Pressure
ppmV DRY
ppmV WET
ppmW DRY
ppmW WET
RHw
Mole Fraction
Known Value (
)
Ambient Temperature (
℃
)
Pressure (
hPa
)
Pressure Compensation (
hPa
)
Outputs:
Water Vapour Pressure (
hPa
)
Saturation Vapour Pressure (
hPa
)
Dew Point (
℃
)
Frost Point (
℃
)
Relative Humidity (%)
PPMv DRY
PPMv WET
Save Result to Table
PPMw DRY
PPMw WET
Absolute Humidity (g/m
3
)
Mixing Ratio (g/kg)
Wet Bulb (
℃
)
Enthalpy (kJ/kg)
Water Activity
Settings
Temperature Unit
° C
° F
K
Pressure Unit
Pa
hPa
kPa
MPa
atm
mbar
bara
barg
psia
psig
inHg
mmHg
torr
inH2O
mmH2O
Gas
Air
O2
N2
H2
CO
CO2
SF6
AR
He
Custom
Decimal Places
2
3
4
5
6
7
8
9
10
100
Enhancement Factor
Pressure Compensation
Help & Notes
Temp
Pressure
Gas
E Factor
Water Vapour Pressure
Saturation Vapour Pressure
Dew Point
Frost Point
RH
PPMv DRY
PPMv WET
PPMw DRY
PPMw WET
AH
Mixing Ratio
Wet Bulb
Enthalpy
Water Activity
Download this Table as CSV