Vapor Pressure Deficit
Calculator

Calculate both Room VPD and Leaf VPD automatically

Just enter the value below to generate the VPD values for your room and your plants. You’ll need to know the room’s temperature, relative humidity, and the plant’s temperature. We recommend calibrating your sensors, so you are confident you have accurate results. 

LEAF VPD CALCULATOR

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DOWNLOAD THE PRINTABLE VPD CHARTS PDF

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Leaf Vapor Pressure Deficit Charts

Vapor Pressure Deficit Charts by Leaf Temp

 0° F  |  -1° F  |  -2° F  |  -3° F  |  -4° F  |  -5° F 

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