Wind Chill Calculator

   
   

Wind Speed (MPH) 
Air Temperature (ºF)  

Formula

Old Wind Chill Index = 91.4 - (0.474677 - 0.020425 * V + 0.303107 * sqrt(V)) * (91.4 - T)
New Wind Chill Index = 35.74 + 0.6215T - 35.75(V0.16) + 0.4275T(V0.16)
where:
V = wind speed (mph)
T = temperature (F)