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Mesh To Micron Conversion for the Wastewater Treatment Industry

Mesh to micron conversion table with metic and imperial conversions.

Mesh size at a glance

Use the table to compare U.S. mesh size with inch, micron, and millimeter measurements. A higher mesh number represents a finer opening.

U.S. MeshInchesMicronsMillimeters
30.26567306.73
40.18747604.76
50.15740004
60.13233603.36
70.11128302.83
80.093723802.38
100.078720002
120.066116801.68
140.055514101.41
160.046911901.19
180.039410001
200.03318410.841
250.0287070.707
300.02325950.595
350.01975000.5
U.S. MeshInchesMicronsMillimeters
400.01654000.4
450.01383540.354
500.01172970.297
600.00982500.25
700.00832100.21
800.0071770.177
1000.00591490.149
1200.00491250.125
1400.00411050.105
1700.0035880.088
2000.0029740.074
2300.0024630.063
2700.0021530.053
3250.0017440.044
4000.0015370.037

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