Download your PDF
Plant Water Potential result sheet — free, supported by sponsors. Your download button appears in 20 seconds.
This free download is supported by sponsors — continuing in
20
Your file is generated in your browser when you choose Download — nothing is uploaded. If this calculator returns enough numeric data, the export also includes its best-fit chart alongside the readable table.
WorldCalculate result export
Plant Water Potential — result sheet
Estimate solute potential from molarity, van't Hoff factor, and temperature, then combine solute, pressure, and gravitational terms.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Solute potential Ψs = −iMRT; total water potential Ψw = Ψs + Ψp + Ψg, with R = 8.314 J·mol⁻¹·K⁻¹ and 1 MPa = 10⁶ Pa.
Water potential describes the tendency of water to move in a defined system. This tool calculates the ideal dilute-solution solute term from the van't Hoff relationship, converts it to MPa, and adds the entered pressure and gravitational terms without pretending that the inputs capture every plant-tissue effect.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Solute concentration — mol/L; minimum 0; maximum 1000
- van't Hoff factor — factor; minimum 1.0E-6; maximum 1000
- Temperature — °C; minimum -273.149; maximum 100000
- Pressure potential — MPa; minimum -1000; maximum 1000
- Gravitational potential — MPa; minimum -1000; maximum 1000
Worked example
| Input | Value |
|---|---|
| Solute concentration | 0.3 |
| van't Hoff factor | 2 |
| Temperature | 25 |
| Pressure potential | 0 |
| Gravitational potential | 0 |
A 0.30 M solution with i = 2 at 25 °C has a solute potential of about −1.487 MPa and the same total when other terms are zero.
Assumptions and limits
- The solution is treated as ideal and dilute enough for the van't Hoff approximation to be useful.
- The van't Hoff factor represents the effective number of dissolved particles, and temperature is converted from Celsius to Kelvin.
- Pressure and gravitational potentials are supplied by the user; membrane selectivity, matric potential, non-ideal activity, and tissue structure are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
No saved result was found. Please run the calculation first, then choose Download again.