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Suction Filter Data - Mesh Conversion Chart
APERTURE
| Mesh per in. |
Wire Gauge SWG |
Holes per sq. in |
Inches | Microns | % Free Area |
Aperture Width mm |
Mesh per cm |
Holes per sq. cm |
A.S.T.N. U.S.A Std Mesh |
| .0590 | 1500 | 14 | |||||||
| .0469 | 1190 | 16 | |||||||
| .0331 | 840 | 20 | |||||||
| 20 | 25 | 400 | .030 | 740 | 36 | .762 | 7.87 | 62 | |
| .0280 | 710 | 25 | |||||||
| .0232 | 590 | 30 | |||||||
| 28 | 28 | .0209 | 531 | 34 | |||||
| 30 | 32 | .020 | 508 | 46 | |||||
| .0197 | 500 | 35 | |||||||
| .0165 | 420 | 40 | |||||||
| 40 | 34 | 1600 | .0158 | 401 | 40 | .381 | 15.75 | 248 | |
| .0138 | 350 | 45 | |||||||
| .0117 | 297 | 50 | |||||||
| 60 | 38 | 3600 | .0099 | 251 | 35 | .251 | 23.62 | 560 | |
| .0098 | 250 | 60 | |||||||
| .0083 | 210 | 70 | |||||||
| 80 | 40 | 6400 | .0079 | 200 | 38 | .196 | 31.49 | 995 | |
| .0070 | 177 | 80 | |||||||
| 100 | 42 | 10,000 | .0030 | 152 | 36 | .152 | 39.37 | 1550 | |
| .0059 | 149 | 100 | |||||||
| 120 | 44 | 14,000 | .0049 | 125 | 37 | .129 | 47.24 | 2240 | 120 |
| .0041 | 105 | 140 | |||||||
| 150 | 45 | 22,500 | .0039 | 100 | 34 | .0997 | 59.00 | 3481 | |
| .0035 | 88 | 170 | |||||||
| 180 | 46 | 32,400 | .0032 | 80 | 33 | .0813 | 70.80 | 5020 | |
| 200 | 47 | 40,000 | .0030 | 76 | 36 | 0.762 | 78.70 | 6200 | |
| .0029 | 74 | 200 | |||||||
| .0024 | 60.9 | 230 | |||||||
| 250 | 48 | 62,500 | .0021 | 53 | 36 | .0508 | 98.40 | 9680 | 270 |
| 300 | 48.5 | 90,000 | .0020 | 50 | 32 | .0483 | 118.00 | 13,924 | |
| .0017 | 44 | 325 |
