Osmotic Pressure Calculator
Calculate osmotic pressure using the van't Hoff equation (π = iMRT). Convert between atm, kPa, mmHg, and psi.
Inputs
M
K
Results
Osmotic Pressure
2.4466 atm
Osmotic Pressure247.9 kPa
Osmotic Pressure1,859.43 mmHg
Osmotic Pressure35.956 psi
Osmolarity0.1 Osm/L
How to Use This Calculator
- Enter solution molarity and temperature in Kelvin.
- Set van't Hoff factor (i) — 1 for non-electrolytes, 2 for NaCl, etc.
- Review Osmotic Pressure in atm, kPa, mmHg, and psi, plus Osmolarity (Osm/L).
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Formula
π = iMRTRelated Calculators
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Calculate the boiling point elevation of a solution from the ebullioscopic constant, molality, and van't Hoff factor.
Freezing Point Depression
Calculate the freezing point depression of a solution from the cryoscopic constant, molality, and van't Hoff factor.
Ideal Gas Law Calculator
Solve PV = nRT for any unknown variable — pressure, volume, moles, or temperature. Includes isothermal P-V curve visualization.
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