Gurley Air Permeance & Porosity Calculator
Paper porous structure & densometry: Convert between Gurley seconds ($s/100\,\text{mL}$), air permeance ($\mu\text{m}/(\text{Pa}\cdot\text{s})$), Bendtsen flow, Sheffield porosity, and Darcy permeability.
Input Permeability / Porosity
Measured reading on testing instrument
Instrument Configuration
Required for Darcy intrinsic permeability ($k$)
Interconverted Air Permeability Metrics
Gurley Air Resistance:
--
seconds / 100 mL
Air Permeance (SI):
--
µm / (Pa·s)
Bendtsen Permeability:
--
mL / min
Sheffield Porosity:
--
Sheffield Units (SU)
| Coresta Unit (Cigarette/Filter): | -- |
| Darcy Intrinsic Permeability k: | -- |
| Air Filtration Classification: | -- |
| Liquid Absorption Affinity: | -- |
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