Science & Environment
Wet-Bulb & Dew Point Calculator
Estimate wet-bulb and dew point temperatures from dry-bulb temperature and relative humidity.
Your inputs
Change any value to update the result instantly.
Wet-bulb temperature
18 °C
Dew point
13.86 °C
Dry-bulb temperature
25 °C
Relative humidity
50 %
Formula and working
Tw = T·atan[0.152(RH+8.3136)^0.5] + atan(T+RH) − atan(RH−1.6763) + 0.00391838·RH^1.5·atan(0.0231·RH) − 4.686 (Stull approx.)
- 1
Collect the inputs
Dry-bulb temperature = 25 °C; Relative humidity = 50 %
- 2
Apply the formula
Tw = T·atan[0.152(RH+8.3136)^0.5] + atan(T+RH) − atan(RH−1.6763) + 0.00391838·RH^1.5·atan(0.0231·RH) − 4.686 (Stull approx.)
- 3
Result
Wet-bulb temperature = 18 °C
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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