Vapor Pressure Deficit Calculator.

Calculate saturation vapor pressure and vapor pressure deficit from temperature and relative humidity.

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02 / ANSWER

Air temperature

Relative humidity

Saturation vapor pressure

0.0000

Actual vapor pressure

0.0000

Vapor pressure deficit

0.0000

Educational psychrometric calculation using the Magnus saturation-vapor-pressure approximation. It does not prescribe crop, greenhouse, or health actions.

FAQs

What does VPD mean?

Vapor pressure deficit is the difference between saturation vapor pressure and actual vapor pressure at a given temperature and relative humidity.

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