Here is a general reference guide for stainless steel woven wire mesh filter grading. The mesh grading is based on the number of openings per linear inch
| Mesh Count (Meshes per Linear Inch) | Opening Size (inches) | Opening Size (microns) |
| 2 Mesh | 0.5″ | 12,700 µm |
| 4 Mesh | 0.25″ | 6,350 µm |
| 8 Mesh | 0.0937″ | 2,380 µm |
| 10 Mesh | 0.0787″ | 2,000 µm |
| 12 Mesh | 0.0661″ | 1,680 µm |
| 16 Mesh | 0.0469″ | 1,190 µm |
| 20 Mesh | 0.035″ | 840 µm |
| 30 Mesh | 0.0234″ | 590 µm |
| 40 Mesh | 0.0165″ | 400 µm |
| 60 Mesh | 0.0098″ | 250 µm |
| 80 Mesh | 0.007″ | 177 µm |
| 100 Mesh | 0.0059″ | 149 µm |
| 120 Mesh | 0.0049″ | 125 µm |
| 150 Mesh | 0.0041″ | 105 µm |
| 200 Mesh | 0.0029″ | 74 µm |
| 250 Mesh | 0.0025″ | 63 µm |
| 300 Mesh | 0.0021″ | 53 µm |
