Permeability Inches (23°C) to Permeability Inches (0°C) Conversion
Convert between Permeability Inches (23°C) and Permeability Inches (0°C) quickly and accurately.
How to Convert Permeability Inches (23°C) to Permeability Inches (0°C)
Conversion Formula
Example
Convert 15 perm·in (23°C) to perm·in (0°C):
Unit Information
Learn about the permeability units you're converting between
Permeability Inches (23°C)
perm·in (23°C)
Definition
The permeability inches at 23°C is a unit of permeability used in the US building industry, representing the vapor transmission rate through a material at 23 degrees Celsius per inch of thickness. It provides a thickness-normalized measure at room temperature conditions.
History/Origin
The permeability inches at 23°C was established as a standard reference temperature for thickness-normalized permeability measurements in the US building industry, providing more practical data for typical building conditions than 0°C measurements.
Current Use
Permeability inches at 23°C is widely used in US building codes, HVAC design, and construction specifications where room temperature conditions and thickness-normalized values are essential for proper material selection and building performance evaluation.
Multiplier
1E-12
Offset
0
Permeability Inches (0°C)
perm·in (0°C)
Definition
The permeability inches at 0°C is a unit of permeability used in the US building industry, representing the vapor transmission rate through a material at 0 degrees Celsius per inch of thickness. It provides a thickness-normalized measure of material permeability.
History/Origin
The permeability inches at 0°C was developed in the US building industry as a practical unit that accounts for material thickness in permeability measurements. It allows for direct comparison of materials with different thicknesses in construction applications.
Current Use
Permeability inches at 0°C is used in US building codes, construction specifications, and material testing where thickness-normalized permeability values are needed for proper material selection and building envelope design.
Multiplier
1E-12
Offset
0
Permeability Inches (23°C) to Permeability Inches (0°C) Conversion Table
| Permeability Inches (23°C) [perm·in (23°C)] | Permeability Inches (0°C) [perm·in (0°C)] |
|---|---|
| 1 perm·in (23°C) | 1.004177 perm·in (0°C) |
| 10 perm·in (23°C) | 10.041769 perm·in (0°C) |
| 25 perm·in (23°C) | 25.104423 perm·in (0°C) |
| 50 perm·in (23°C) | 50.208847 perm·in (0°C) |
| 100 perm·in (23°C) | 100.417693 perm·in (0°C) |
| 0 perm·in (23°C) | 0E+0 perm·in (0°C) |
| -10 perm·in (23°C) | -10.041769 perm·in (0°C) |
| -40 perm·in (23°C) | -40.167077 perm·in (0°C) |
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