How to use the porosity from void ratio calculator
Convert a soil void ratio into porosity, the fraction of the soil that is pore space. Enter void ratio in the field above; the porosity are computed instantly and plotted on the chart so you can see how the answer changes.
Common searches this calculator answers include “porosity from void ratio”, “soil pore space”, “void ratio to porosity”, “calculate porosity from void ratio”, “find porosity”.
Formula
Variables
- e — Void ratio
Worked example
With void ratio = 0.65, the calculator gives porosity ≈ 0.3939394 fraction; porosity ≈ 39.39394 %.
Frequently asked questions
What is the porosity from void ratio calculator used for?
Convert a soil void ratio into porosity, the fraction of the soil that is pore space. It helps with questions such as “porosity from void ratio”, “soil pore space”, “void ratio to porosity”.
What is the formula for the porosity from void ratio calculation?
Porosity (fraction) = e / (1+e). Porosity (%) = [Porosity] × 100. Here e is void ratio.
What inputs do I need for the porosity from void ratio calculator?
You need void ratio. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use the porosity from void ratio calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the porosity from void ratio result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.