Standard Sieves
| British | United States | ||||
| B.S.I (1943) | Tyler (1910) | U.S. standard (1940) fine series | |||
| mesh | microns | mesh | microns | mesh | microns |
| 3 1/2 | (5513) | 3 1/2 | (5660) | ||
| 4 | (4699) | 4 | (4760) | ||
| 5 | (3952) | 5 | (4000) | ||
| 5 | (3353) | 6 | (3327) | 6 | (3360) |
| 6 | (2812) | 7 | (2794) | 7 | (2830) |
| 7 | (2411) | 8 | (2362) | 8 | (2380) |
| 8 | (2057) | 9 | (1981) | 10 | (2000) |
| 10 | (1576) | 10 | (1951) | 12 | (1680) |
| 12 | (1405) | 12 | (1397) | 14 | (1410) |
| 14 | (1204) | 14 | (1168) | 16 | (1190) |
| 16 | (1003) | 16 | (991) | 18 | (1000) |
| 18 | (853) | 20 | (833) | 20 | (840) |
| 22 | (699) | 24 | (701) | 25 | (710) |
| 25 | (599) | 28 | (589) | 30 | (590) |
| 30 | (500) | 32 | (495) | 35 | (500) |
| 36 | (422) | 35 | (471) | 40 | (420) |
| 44 | (353) | 42 | (351) | 45 | (350) |
| 52 | (295) | 48 | (295) | 50 | (297) |
| 60 | (251) | 60 | (246) | 60 | (250) |
| 72 | (211) | 35 | (208) | 70 | (210) |
| 85 | (178) | 80 | (175) | 80 | (177) |
| 100 | (152) | 100 | (147) | 100 | (149) |
| 120 | (124) | 115 | (124) | 120 | (125) |
| 150 | (104) | 150 | (104) | 140 | (105) |
| 170 | (89) | 170 | (89) | 170 | (88) |
| 200 | (76) | 200 | (74) | 200 | (74) |
| 240 | (66) | 250 | (61) | 230 | (62) |
| 300 | (53) | 270 | (53) | 270 | (53) |
| 325 | (43) | 325 | (44) | ||
| 400 | (38) | 400 | (37) | ||
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