Mesh Conversions

Mesh
Sieve
Designation

Sieve
Opening
Inches

mm

1

1

25.1

3/4

0.75

19

5/8

0.625

15.9

1/2

0.5

12.7

3/8

0.375

9.53

5/16

0.312

7.93

1/4

0.25

6.35

31/2

0.223

5.66

4

0.187

4.75

5

0.157

4

6

0.132

3.35

7

0.111

2.82

8

0.0937

2.38

10

0.0787

2

12

0.0661

1.68

14

0.055

1.41

16

0.0469

1.19

18

0.0394

1

 

 

 

 

 

 

Microns

 

 

20

0.0331

841

25

0.0278

706

30

0.0234

594

35

0.0197

500

40

0.0165

419

45

0.0139

353

50

0.0117

297

60

0.0098

249

70

0.0083

211

80

0.007

178

100

0.0059

150

120

0.0049

125

140

0.0041

104

170

0.0035

89

200

0.0029

74

230

0.0025

64

270

0.0021

53

325

0.0017

43

400

0.0015

38

 

 

 

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