US perms to micrograms per pascal second square meter
Type a value in perm to get it in µg/(Pa·s·m²) instantly.
0.05745µg/(Pa·s·m²)
That's 1.25× as open as vapor retarder paint, while plasterboard is 30× higher. That is semi-permeable: a wall built with it can still dry.
What it means
How much vapor gets through?
Permeance belongs to a material of a stated thickness. Permeability — perm-inches — belongs to the material itself, and must be divided by the thickness.
The math
How to convert perm to µg/(Pa·s·m²)
To convert US perms to micrograms per pascal second square meter, multiply by 0.0574525.
Example: 1 perm × 0.0574525 = 0.0574525 µg/(Pa·s·m²).
In the other direction, 1 µg/(Pa·s·m²) = 17.4057 perm.
Every unit
Your permeance in every unit
Tables
perm to µg/(Pa·s·m²) conversion table
| perm | µg/(Pa·s·m²) |
|---|---|
| 0.01 perm | 0.000574525 µg/(Pa·s·m²) |
| 0.05 perm | 0.00287263 µg/(Pa·s·m²) |
| 0.1 perm | 0.00574525 µg/(Pa·s·m²) |
| 0.5 perm | 0.0287263 µg/(Pa·s·m²) |
| 1 perm | 0.0574525 µg/(Pa·s·m²) |
| 5 perm | 0.287263 µg/(Pa·s·m²) |
| 10 perm | 0.574525 µg/(Pa·s·m²) |
| 20 perm | 1.14905 µg/(Pa·s·m²) |
| 50 perm | 2.87262 µg/(Pa·s·m²) |
| 100 perm | 5.74525 µg/(Pa·s·m²) |
µg/(Pa·s·m²) to perm conversion table
| µg/(Pa·s·m²) | perm |
|---|---|
| 0.01 µg/(Pa·s·m²) | 0.174057 perm |
| 0.05 µg/(Pa·s·m²) | 0.870284 perm |
| 0.1 µg/(Pa·s·m²) | 1.74057 perm |
| 0.5 µg/(Pa·s·m²) | 8.70284 perm |
| 1 µg/(Pa·s·m²) | 17.4057 perm |
| 5 µg/(Pa·s·m²) | 87.0284 perm |
| 10 µg/(Pa·s·m²) | 174.057 perm |
| 20 µg/(Pa·s·m²) | 348.114 perm |
| 50 µg/(Pa·s·m²) | 870.284 perm |
| 100 µg/(Pa·s·m²) | 1,740.57 perm |
Quick answers
Quick answers
- How many µg/(Pa·s·m²) is 1 perm?
- 1 perm is 0.0574525 µg/(Pa·s·m²).
- How many µg/(Pa·s·m²) is 10 perm?
- 10 perm is 0.574525 µg/(Pa·s·m²).
The units
About these units
US perms (perm)
The US building unit: grains per hour per square foot per inch of mercury.
Micrograms per pascal second square meter (µg/(Pa·s·m²))
A thousand times larger, for very open materials.
Keep going