How Big is a Micron?
There
are 25,400 microns in one inch.
This dot (.) is approximately 1/64 of an inch wide and equals 615
microns.
|
Common Items and their respective particle sizes |
|
|
Postage Stamp, 1 inch high |
25,400 microns |
|
Eye of a Needle |
1,230 microns |
|
Human Hair |
40 to 300 microns |
|
Oil Smoke |
0.03 to 1 micron |
|
Tobacco Smoke |
0.01 to 1 microns |
|
Beach Sand |
100 to 2000 microns |
|
Pollens |
10 to 1000 microns |
|
Typical Atmospheric Dust |
0.001 to 30 microns |
|
Mold Spores |
10 to 30 microns |