A handy reference chart
Read chart for nominal dimensions of standard sieves values.
Nominal Dimensions of Standard Sieves
| Sieve opening (mm) | USA standard ASTM E 11-61 | Mesh number Tyler (mesh/in.) | British standard (mesh/in.) |
| 0.037 | 400 | 400 | — |
| 0.044 | 325 | 325 | — |
| 0.045 | — | — | 350 |
| 0.053 | 270 | 270 | 300 |
| 0.063 | 230 | 250 | 240 |
| 0.074 | 200 | 200 | — |
| 0.075 | — | — | 200 |
| 0.088 | 170 | 170 | — |
| 0.090 | — | — | 170 |
| 0.105 | 140 | 150 | 150 |
| 0.125 | 120 | 115 | 120 |
| 0.149 | 100 | 100 | — |
| 0.150 | — | — | 100 |
| 0.177 | 80 | 80 | — |
| 0.180 | — | — | 85 |
| 0.210 | 70 | 65 | 72 |
| 0.250 | 60 | 60 | 60 |
| 0.297 | 50 | 48 | — |
| 0.300 | — | — | 52 |
| 0.354 | 45 | 42 | — |
| 0.355 | — | — | 44 |
| 0.420 | 40 | 35 | 35 |
| 0.500 | 35 | 32 | 30 |
| 0.595 | 30 | 28 | — |
| 0.600 | — | — | 25 |
| 0.707 | 25 | 24 | — |
| 0.710 | — | — | 22 |
| 0.841 | 20 | 20 | — |
| 1.00 | 18 | 16 | 16 |
| 1.19 | 16 | 14 | — |
| 1.20 | — | — | 14 |
| 1.41 | 14 | 12 | — |
| 1.68 | 12 | 10 | 10 |
| 2.00 | 10 | 9 | 8 |
