Permeability (0°C) to Permeability Inches (0°C) Conversion

Convert between Permeability (0°C) and Permeability Inches (0°C) quickly and accurately.

perm (0°C)
perm·in (0°C)

How to Convert Permeability (0°C) to Permeability Inches (0°C)

Conversion Formula

1 perm (0°C) = 39.37 perm·in (0°C)
1 perm·in (0°C) = 0.025 perm (0°C)

Example

Convert 15 perm (0°C) to perm·in (0°C):

15 perm (0°C) = 15 × 39.37 perm·in (0°C) = 590.552 perm·in (0°C)

Unit Information

Learn about the permeability units you're converting between

Permeability (0°C)

perm (0°C)

Definition

The permeability at 0°C is a traditional unit of permeability used in building materials and textiles, representing the vapor transmission rate through a material at 0 degrees Celsius. It is commonly used in the construction industry for measuring moisture vapor transmission.

History/Origin

The permeability at 0°C was developed in the building materials industry as a practical unit for measuring moisture vapor transmission through construction materials. It became standardized for comparing the breathability of different building materials and textiles.

Current Use

Permeability at 0°C is extensively used in the construction industry, textile manufacturing, and building materials testing where moisture control and vapor transmission are critical for material performance and building envelope design.

Multiplier

6E-11

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 (0°C) to Permeability Inches (0°C) Conversion Table

Permeability (0°C) [perm (0°C)] Permeability Inches (0°C) [perm·in (0°C)]
1 perm (0°C) 39.370157 perm·in (0°C)
10 perm (0°C) 393.701573 perm·in (0°C)
25 perm (0°C) 984.253933 perm·in (0°C)
50 perm (0°C) 1968.507865 perm·in (0°C)
100 perm (0°C) 3937.015731 perm·in (0°C)
0 perm (0°C) 0E+0 perm·in (0°C)
-10 perm (0°C) -393.701573 perm·in (0°C)
-40 perm (0°C) -1574.806292 perm·in (0°C)