Humidity Calculator

Fill in the temperature plus dewpoint or humidity and click on ‘Calculate’ to calculate the unknown unit.
Temperature (°C)
Dewpoint (°C)
Humidity (%)

About Humidity:

The amount of water vapor present in the air called humidity. The water vapor present in the air in gaseous form, It usually undetectable to the human eye.

Absolute temp = Celcius + 273.15.

Desirable relative humidity and temperature for each activity

ActivityTemperature (°C)Relative humidity (%)ActivityTemperature ( °C)Relative humidity (%)

Backery

Leather

1

Biscuits and cookies

16-18

50

Storage room

10-16

40-60

Fermentation

24-27

70-75

Flour storage room

18-27

50-65

Librariesand Museums

21-27

40-50

Bread cooler

21

60-70

Confectionery

24-27

65-70

Paper products

Mixing bread dough

24-27

40-50

Binding

21

50-65

Yeast storage room

0-7

60-75

Wrinkling

24

60-65

Printing office

24-27

45-55

Granes

Storage room

24-27

40-60

Packing

24-27

45-50

Textile

Confectionery

Cotton processing

24-27

50-55

Chocolate sales

17-18

50-65

Cotton spinning

16-27

50-70

Storage room

16-20

50-65

Articficial silk spinning

20-24

85

Cotton weaving

27

56-60

Food industries

Wire torsie articficial silk

21

60

Apple storage room

-1

75-85

Silk processing

24-27

65-70

Banana ripening

20

90-95

Wool refining

27-29

65-70

Banana storage room

16

85-90

Wool spinning

27-29

50-60

Citrus fruits storage room

16

85

Wool weaving

27-29

60

Eggs storage room

2-13

75-80

Granes storage room

16

30-45

Mushrooms storage room

0-2

80-85

Tabacco

Potatoes storage room

4-16

85-90

Sigars and sigarettes

21

55-65

Sugar

27

30

Processing and storage

24

70-75

Tomatoes storage room

1

85

Packing

32

88-95

Tomatoes riping room

21

85

Wood processing

Hospitals

End products

18-21

35-40

Children’s ward

24

50-65

Fixing

24-24

40-50

Operation room

24

55

Processing

18-24

35-40

Hospital rooms

24

40-50

Conservatories

27

70-80

Painting companies

22-24

40-50

Humidity
H35.00%rh
Temperature
T23.00°C
Pressure
P2000.00hPa
Wet-bulb temperature
Tw16.42°C
Psychrometric difference
T-Tw6.58°C
Dew point
Dp6.73°C
Frost point
Fp6.73°C
Vapour Concentration (moist)
Dv7.19g/m³
Specific Humidity (moist)
Q3.06g/kg
Mixing Ratio by Wt. (dry)
R3.07g/kg
Vapour partial pressure
E9.83hPa
Vapour saturation pressure
Ew28.08hPa
Saturation vapour concentration
Dvs20.54g/m³
Enthalpy
H30.92kJ/kg
Volume Mixing Ratio (dry)
 4938.75ppm
Elevation (ref. sea level)
 n. def.m