Free Osmotic Pressure Calculator
Calculate osmotic pressure using the van't Hoff equation (pi = iMRT).
M
C
Osmotic Pressure
2.447 atm
Osmotic Pressure247.9 kPa
Osmotic Pressure vs Van't Hoff Factor (i)
How to Calculate Osmotic Pressure
Formula
pi = i × M × R × T
Where R = 0.08206 L-atm/mol-K and T is in Kelvin.
Example Calculation
0.1 M glucose at 25C (i=1).
- 01T = 25 + 273.15 = 298.15 K
- 02pi = 1 × 0.1 × 0.08206 × 298.15
- 03pi = 2.447 atm
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