National Weather Service United States Department of Commerce

Strong Winds Over Portions of the Rockies & Plains; Chilly for Much of the Eastern U.S.

Low pressure pushing eastward will generate strong winds over parts of the Rockies and Plains through Saturday with some light precipitation. Meanwhile, a much cooler air mass will overtake the eastern half of the country with frost and freeze concerns. Elevated fire weather conditions are expected for the Great Basin and parts of California, along with poor air quality in some locales. Read More >

The Speed of Sound Calculation

by Tim Brice and Todd Hall
The speed of sound depends on several variables, but the only independent variable we need to calculate the speed of sound is  the temperature of the air.  
Enter your air temp and choose your units: The speed of sound:
Fahrenheit knots
Celsius m/s
Kelvin ft/s
Rankine km/h


What is the formula to calculate the speed of sound?