VPD Calculator
Calculate the optimal Vapor Pressure Deficit (VPD) for your cannabis plants at different growth stages. VPD is a key factor in optimizing transpiration, nutrient uptake, and overall plant health.
VPD Calculator
Calculate the Vapor Pressure Deficit (VPD) for optimal plant growth
°F
°F
Actual leaf temperature: 77.0°F
%
VPD Reference Table (kPa)
Ideal temperature range: 68-82°F (highlighted)
| Temp (°F) |
|---|
0.4-0.8 kPa (Low)
0.8-1.2 kPa (Medium)
1.2-1.6 kPa (High)
<0.4 / >1.6 kPa (Danger Zone)