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Sieve Size and Mesh Designation

US commercial sieve sizes and mesh designations

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Commonly used US Standard commercial sieve and mesh dimensions: 

Sieve size
(mm)
Opening
(in)
Standard MeshUS
11.2 0.438 7/16”
6.35 0.250 1/4”
5.6 0.223 3.5
4.75 0.187 4
4.0 0.157 5
3.35 0.132 6
2.80 0.110 7
2.36 0.0937 8
2.0 0.0787 10
1.7 0.0661 12
1.4 0.0555 14
1.18 0.0469 16
1.0 0.0394 18
0.841 0.0331 20
0.71 0.0278 25
0.595 0.0232 30
0.50 0.0197 35
0.400 0.0165 40
0.355 0.0139 45
0.30 0.0117 50
0.250 0.0098 60
0.210 0.0083 70
0.177 0.0070 80
0.149 0.0059 100
0.125 0.0049 120
0.105 0.0041 140
0.088 0.0035 170
0.074 0.0029 200
0.063 0.0024 230
0.053 0.0021 270
0.044 0.0017 325
0.037 0.0015 400
0.025 0.0010 500
0.020 0.0008 632

Mesh size vs particle diameter

Download and print Particle Diameter vs. Mesh Size Chart

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