// multi-utility computation suite · offline · instant · precise
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sci.saturation-vapor-pressure Calculator
Calculates saturation vapour pressure over water and ice from temperature using the Magnus or Buck equation. Saturation vapour pressure doubles roughly every 10 °C — at 30 °C it is 4.24 kPa; at 0 °C it is 0.61 kPa; this exponential relationship amplifies humidity-related climate feedbacks.
Inputs
Temperature C
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Rh Pct
Reference formula or conversion factor shown for context.
Results
saturation VP (hPa)
How close the system is to its capacity limit. Above 80% sustained saturation typically leads to queuing and latency spikes.
actual VP (hPa)
Reference formula or conversion factor shown for context.
vapor pressure deficit VPD (hPa)
Reference formula or conversion factor shown for context.
absolute humidity (g/m³)
Reference formula or conversion factor shown for context.
Buck equation used
The portion already consumed or allocated from the total available.
high VPD
Reference formula or conversion factor shown for context.