All barometric pressures (like those seen on the weather reports) are converted to mean sea level (MSL) pressures. This handy calculator converts mean sea level pressure back to station pressure (which could also be called altitude pressure) based on the stations elevation. This calculator is in imperial units.

temperaturethe current station temperature
mean sea level pressure the mean sea level barometric pressure
elevationthe actual elevation above sea level of the station
atmospheric pressure calculated station barometric pressure
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