Dew Point Calculator

Calculate the dew point temperature from air temperature and relative humidity using the Magnus formula.

Inputs

Dew Point
22.7°C   72.9°F
Comfort Level
Very Humid / Oppressive
Abs. Humidity
19.67 g/m³

Dew Point Comfort Scale

Dew PointComfort Level
< 10°C (50°F)Dry / Comfortable
10–15°C (50–60°F)Comfortable
16–18°C (60–65°F)Slightly Humid
18–21°C (65–70°F)Humid
21–24°C (70–75°F)Very Humid
≥ 24°C (75°F)Extremely Oppressive

Dew Point by Temperature (°C)

Temp \ RH30%40%50%60%70%80%90%
10°C-7-303578
15°C-2257101213
20°C26912141618
25°C6101417192123
30°C11151821242628
35°C15192326293133
40°C19242831333638