Cloud Base Calculator
Free calculate cloud base height from surface temperature and dew point. determine altitude where clouds form.
Input Parameters
Temperature at which condensation occurs
Above sea level (optional)
Results
Enter temperature and dew point to calculate cloud base
Cloud Base Formula
Height Formula
H = 125 × (T - Td)
Where T is temperature, Td is dew point (in meters)
Key Points
- • Cloud forms when air reaches dew point
- • Temperature decreases ~1°C per 100m
- • Dew point decreases ~0.2°C per 100m
- • Typical lapse rate: 9.8°C/km