Weather & Unit Conversion Calculator

Use the tools below to perform a variety of weather and unit conversion calculations. Type in a value or values and then click on the appropriate button to perform the calculation. Origional javascript code written by Ron Moore of the Birmingham, AL NWS office.

Temperature Conversions

Fahrenheit (°F ) Celsius (°C)
Celsius (°C ) Fahrenheit (°F)

Windchill Calculations

Temp (°F) Wind Speed (mph)
Wind chill
Temp (°C) Wind Speed (mph)
Wind chill

Relative Humidity Calculations

Temp (°F) Dew point (°F)
Relative Humidity
Temp (°C) Dew point (°C)
Relative Humidity

Heat Index Calculations

Temp (°F) Dew point (°F)
Heat Index Relative Humidity
Temp (°C) Dew point (°C)
Heat Index Relative Humidity
Temp (°F) Relative Humidity (%)
Heat Index Dew Point
Temp (°C) Relative Humidity (%)
Heat Index Dew Point