Particle Size / Mesh Conversion Chart

Particle SizeU.S. Std. SieveTensile Bolt ClothMarket Grade
InchesMicronsStd SieveOpening In InchesMesh TBCOpeningMesh MGOpening
InchesMicronsInchesMicrons
0.1570400050.1575   50.15904039
0.1320335060.1319   60.13183348
0.1110282070.1102   70.10802743
0.0937238080.0929   80.09642449
0.07872000100.0787   100.07421885
0.07301854     110.07301854
0.06611680120.0669140.06201575120.06031532
0.05551410140.0551160.05351359140.05101295
0.04691190160.0465180.04661184160.04451130
0.04101041  200.04101041   
0.03941000180.0394220.0380965180.0386980
0.0331841200.0335240.0342869200.0340864
0.0310784  260.0310787   
0.0278707250.0280280.0282716240.0277704
0.0268681  300.0268681   
0.0248630  320.0248630   
0.0234595300.0236340.0229582   
0.0213541  360.0213541300.0203516
0.0197500350.0197380.0198503   
0.0185470  400.0185470   
0.0183465  420.0183465   
0.0172437  440.0172437350.0176447
0.0165420400.0167460.0162411   
0.0153388  480.0153389400.0150381
0.0145368  500.0145368   
0.0139354450.0140520.0137348   
0.0130330  540.0130330   
0.0127323  580.0127323   
0.0122310  600.0122310   
0.0117297500.0118620.0116295   
0.0111282  640.0111282500.0110279
0.0106270  700.0106269   
0.0102260  720.0102259   
0.0098250600.0098740.0098249   
0.0095241  760.0095241   
0.0091231  780.0091231600.0092234
0.0088224  800.0088224   
0.0083210700.0083840.0084213   
0.0079200  880.0079201   
0.0076193  900.0076193   
0.0070177800.0071940.0071180800.0070178
0.0065165  1050.0065165   
0.00591491000.00591200.00581471000.0055140
0.00491251200.00491450.00471191200.0046117
0.00411051400.00421650.00421071500.0041104
0.0035881700.00352000.0034861700.003589
0.0029742000.00302300.0029742000.002974
0.0025632300.0025   2500.002461
0.0021532700.00213000.0022562700.002153
0.0017443250.0018   3250.001743
0.0015384000.0015   4000.001538
0.0010255000.0010   5000.001025
0.0008206350.0008   6350.000820
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