Perm-inch (0°C) to Kilogram/pascal/second/meter (perm·in (0°C) to kg/(Pa·s·m)) Calculator
perm·in (0°C) × 1.45323912 × 10⁻¹² = kg/(Pa·s·m)
Calculation: 1 perm·in (0°C) × 1.45323912 × 10⁻¹² = 1.45323912 × 10⁻¹² kg/(Pa·s·m)
Common Perm-inch (0°C) to Kilogram/pascal/second/meter Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between Perm-inch (0°C) (perm·in (0°C)) and Kilogram/pascal/second/meter (kg/(Pa·s·m)).
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 kg/(Pa·s·m) is equal to 6.88118 × 10¹¹ perm·in (0°C) (Perm-inch (0°C)) | 6.881 × 10¹¹ |
| 5 kg/(Pa·s·m) is equal to 3.44059 × 10¹² perm·in (0°C) (Perm-inch (0°C)) | 3.441 × 10¹² |
| 10 kg/(Pa·s·m) is equal to 6.88118 × 10¹² perm·in (0°C) (Perm-inch (0°C)) | 6.881 × 10¹² |
| 50 kg/(Pa·s·m) is equal to 3.44059 × 10¹³ perm·in (0°C) (Perm-inch (0°C)) | 3.441 × 10¹³ |
| 100 kg/(Pa·s·m) is equal to 6.88118 × 10¹³ perm·in (0°C) (Perm-inch (0°C)) | 6.881 × 10¹³ |
Real-World Context & Everyday Benchmarks
Tap to load into converterTo help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Perm-inch (0°C) (perm·in (0°C)) and Kilogram/pascal/second/meter (kg/(Pa·s·m)):
Perm-inch (0°C) References:
- Polyethylene vapor retarder film material rating (ASTM E96) 0.005 perm·in
- Solid structural Douglas fir wood across-grain permeability 1 perm·in
- Expanded polystyrene (EPS) rigid insulation board 2.5 perm·in
Kilogram/pascal/second/meter References:
- Polyethylene vapor retarder membrane material permeability 7.27E-15 kg/(Pa·s·m)
- Expanded polystyrene (EPS) rigid foam insulation permeability 3.63E-12 kg/(Pa·s·m)
- Structural softwood lumber across-grain vapor permeability 1.45E-12 kg/(Pa·s·m)
How to Convert Perm-inch (0°C) to Kilogram/pascal/second/meter
Converting Perm-inch (0°C) (perm·in (0°C)) to Kilogram/pascal/second/meter (kg/(Pa·s·m)) is a core calculation in Moisture Vapor Permeability, which measures the moisture vapor transmission rate through a homogeneous material specimen per unit thickness, surface area, and vapor pressure differential. This calculation navigates the boundary between the International Metric System (SI) and British Imperial / US Customary engineering standards. In contemporary metrology, Imperial units are defined in terms of exact SI standards via international agreements—notably NIST SP 811 and the 1959 International Yard and Pound Agreement. Exactly 1 Perm-inch (0°C) equals 1.453239 × 10⁻¹² Kilogram/pascal/second/meter, while 1 kg/(Pa·s·m) equals 6.88118 × 10¹¹ perm·in (0°C).
Mathematical Conversion Derivation via Coherent SI Base Unit
Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (kilogram per pascal second meter (kg/(Pa·s·m))) without arbitrary rounding:
1 perm·in (0°C) = 1.453239 × 10⁻¹² kilogram per pascal second meter (kg/(Pa·s·m))1 kg/(Pa·s·m) = 1 kilogram per pascal second meter (kg/(Pa·s·m))V(kg/(Pa·s·m)) = V(perm·in (0°C)) × ( 1.453239 × 10⁻¹² / 1 ) = V(perm·in (0°C)) × 1.453239 × 10⁻¹²Value in Kilogram/pascal/second/meter = Value in Perm-inch (0°C) × 1.45323912 × 10⁻¹²Direct computational formula applied for standard conversion.Converting 36 perm·in (0°C) yields an exact output of 5.231661 × 10⁻¹¹ kg/(Pa·s·m) in Kilogram/pascal/second/meter. Under higher industrial throughput, 10000 perm·in (0°C) translates to 1.453239 × 10⁻⁸ kg/(Pa·s·m).
Inverse check: 1 kg/(Pa·s·m) = 6.88118 × 10¹¹ perm·in (0°C).Understanding Perm-inch (0°C) and Kilogram/pascal/second/meter
Perm-inch (0°C)
perm·in (0°C)A Perm-inch (0°C) (perm·in (0°C)) is an imperial and US customary unit for moisture vapor permeability.
Applications & Practical Context
In practical moisture vapor permeability terms, a polyethylene vapor retarder film material rating (ASTM E96) equals 0.005 perm·in, a solid structural Douglas fir wood across-grain permeability equals 1 perm·in, a expanded polystyrene (EPS) rigid insulation board equals 2.5 perm·in.
A physical magnitude of 1 perm·in (0°C) corresponds to 1.453239 × 10⁻¹² kg/(Pa·s·m) in standard SI measurement.
1 perm·in (0°C) = 1.453239 × 10⁻¹² kg/(Pa·s·m)Kilogram/pascal/second/meter
kg/(Pa·s·m)A Kilogram/pascal/second/meter (kg/(Pa·s·m)) is the official base standard unit for moisture vapor permeability.
Applications & Practical Context
In practical moisture vapor permeability terms, a polyethylene vapor retarder membrane material permeability equals 7.27 × 10⁻¹⁵ kg/(Pa·s·m), a expanded polystyrene (EPS) rigid foam insulation permeability equals 3.63 × 10⁻¹² kg/(Pa·s·m), a structural softwood lumber across-grain vapor permeability equals 1.45 × 10⁻¹² kg/(Pa·s·m).
A moisture vapor permeability of 1 kg/(Pa·s·m) represents vapor transmission of 1 kilogram per second through a 1-meter thick specimen of 1 square meter cross-section under a 1 pascal vapor pressure differential.
1 kg/(Pa·s·m) = 1 kg/(Pa·s·m) (Base Standard)Domain Metrology & Engineering Applications
Fick's Diffusion Law for Homogeneous Porous Media (Π = (ṁ·L)/(A·ΔP))
Rigorously quantified in laboratory and field settings using constant-humidity permeability cells, electrolyte moisture sensor diffusion chambers, and analytical micro-gravimetric cup assemblies.
Applied across insulating foam manufacturing, breathable outdoor fabric engineering, concrete sealant evaluation, and historic masonry conservation under international metrology standard ASTM E96/E96M, ISO 12572.
Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ASTM E96/E96M, ISO 12572 and the BIPM SI Brochure (9th Edition). Governed by Fick's Diffusion Law for Homogeneous Porous Media (Π = (ṁ·L)/(A·ΔP)) under ISO 80000 dimensional vector [M⁻¹ L⁻¹ T³].
