Advanced Vapor Pressure Deficit (VPD) Calculator

0 kPa
Room VPD
0 kPa
Leaf VPD

Room Temp: 75° F
Relative Humidity: 75%
Leaf Temp: 75° F

Temperature Units:
Celsius
Fahrenheit

StageIdeal Range
Propagation / Early Veg0.4 - 0.8 kPa
Late Veg / Early Flower0.8 - 1.2 kPa
Mid / Late Flower1.2 - 1.6 kPa