Vapor Pressure (Raoult)

Calculate Vapor Pressure (Raoult) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

Vapor Pressure (Raoult)

Solvent mole fraction
P purePa
P solution
3,011.5Pa
Calculate Vapor Pressure (Raoult) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

More about: Vapor Pressure (Raoult)

What it calculates

The “Vapor Pressure (Raoult)” calculator computes P solution in Pa from 2 parameters: solvent mole fraction, p pure (Pa).

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters Solvent mole fraction = 0.95, P pure = 3,170 Pa the result is 3,011.5 Pa.

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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