conversion of millibars to air feet at 30°C

›› conversion of millibars to air feet at 30°C   (03/19/2021, 4:37 PM)

Dear Team,

I'm trying to find a conversion formula to convert millibars to air feet (1mb=25Feet) by taking the temperature input of 30°C. On the website I could only find the conversion at 0°C

Thanks and best regards
Fethy