Dew Point Calculator
Calculate dew point, heat index, and humidity comfort level from temperature and relative humidity. Instant, free, no signup.
Conditions
Comfort level: Slightly humid
Dew Point
16.7°C
62.1°F
Spread
8.3°C
temperature − dew point
Abs. Humidity
13.8
g/m³
Heat Index
—
applies above 80°F / 40% RH
Comfort Scale (dew point)
DryBelow 10°C
Comfortable10–15°C
Slightly humid16–17°C
Humid18–20°C
Very humid21–23°C
OppressiveAbove 24°C
Frequently asked questions
What does Dew Point Calculator do?
Calculate dew point, heat index, and humidity comfort level from temperature and relative humidity. Instant, free, no signup.
What should I check in the result?
Check units, rates, dates and assumptions. Compare a simple case by hand before using the result for a decision.