National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Pressure Unit Conversion

by Tim Brice and Todd Hall

Enter an atmospheric pressure that you would like:

 
Answers:
inches of mercury inches of mercury
millimeters of mercury (torr) millimeters of mercury (torr)
millibars millibars
hecto Pascals hecto Pascals
kilo Pascals kilo Pascals
pounds per square inch pounds per square inch
standard atmosphere standard atmosphere

 

What are the formulas for the pressure unit conversion script?