unit of measure
conversions equivalences

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Conversion table
Conversion factors in PDF

U.S. standard mesh sieve sizes and DIN sieve

sieve designation standard
sieve designation alternate "mesh"
nominal sieve opening (in.)
nominal wire diameter (mm)
125 mm
5
5
8
106 mm
4.24
4.24
6.3
100 mm
4
4
6.3
90 mm
3 1/2
3.5
6.3
75 mm
3
3
6.3
63 mm
2 1/2
2.5
5.6
53 mm
2.12
2.12
5
50 mm
2
2
5
45 mm
1 3/4
1.75
4.5
37.5 mm
1 1/2
1.5
4.5
31.5 mm
1 1/4
1.25
4
26.5 mm
1.06
1.06
3.55
25 mm
1
1
3.55
22.4 mm
7/8
0.875
3.55
19 mm
3/4
0.75
3.15
16 mm
5/8
0.625
3.15
13.2 mm
0.53
0.53
2.8
12.5 mm
1/2
0.5
2.5
11.2 mm
7/16
0.438
2.5
9.5 mm
3/8
0.375
2.24
8 mm
5/16
0.312
2
6.7 mm
0.265
0.265
1.8
6.3 mm
1/4
0.25
1.8
5.6 mm
No. 3.5
0.223
1.6
4.75 mm
No. 4
0.187
1.6
4 mm
No. 5
0.157
1.4
3.35 mm
No. 6
0.132
1.25
2.8 mm
No. 7
0.11
1.12
2.36 mm
No. 8
0.0937
1


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