| U.S. Mesh | Inches | Millimeters | Microns (µm) |
|---|---|---|---|
| 3 | 0.2650" | 6.730 mm | 6730 µm |
| 4 | 0.1870" | 4.760 mm | 4760 µm |
| 5 | 0.1570" | 4.000 mm | 4000 µm |
| 6 | 0.1320" | 3.360 mm | 3360 µm |
| 7 | 0.1110" | 2.830 mm | 2830 µm |
| 8 | 0.0937" | 2.380 mm | 2380 µm |
| 10 | 0.0787" | 2.000 mm | 2000 µm |
| 12 | 0.0661" | 1.680 mm | 1680 µm |
| 14 | 0.0555" | 1.410 mm | 1410 µm |
| 16 | 0.0469" | 1.190 mm | 1190 µm |
| 18 | 0.0394" | 1.000 mm | 1000 µm |
| 20 | 0.0331" | 0.841 mm | 841 µm |
| 25 | 0.0280" | 0.710 mm | 710 µm |
| 30 | 0.0232" | 0.595 mm | 595 µm |
| 35 | 0.0197" | 0.500 mm | 500 µm |
| 40 | 0.0165" | 0.400 mm | 400 µm |
| 45 | 0.0138" | 0.354 mm | 354 µm |
| 50 | 0.0117" | 0.297 mm | 297 µm |
| 60 | 0.0098" | 0.250 mm | 250 µm |
| 70 | 0.0083" | 0.210 mm | 210 µm |
| 80 | 0.0070" | 0.177 mm | 177 µm |
| 100 | 0.0059" | 0.149 mm | 149 µm |
| 120 | 0.0049" | 0.125 mm | 125 µm |
| 140 | 0.0041" | 0.105 mm | 105 µm |
| 170 | 0.0035" | 0.088 mm | 88 µm |
| 200 | 0.0029" | 0.074 mm | 74 µm |
| 230 | 0.0024" | 0.063 mm | 63 µm |
| 270 | 0.0021" | 0.053 mm | 53 µm |
| 325 | 0.0017" | 0.044 mm | 44 µm |
| 400 | 0.0015" | 0.037 mm | 37 µm |
| 500 | 0.0010" | 0.025 mm | 25 µm |
| 625 | 0.0008" | 0.020 mm | 20 µm |
| 1250 | 0.0004" | 0.010 mm | 10 µm |
| 2500 | 0.0002" | 0.005 mm | 5 µm |