Printable mesh to micron chart

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Nominal handbook openings only — ASTM E11 / ISO certificates supersede printed summaries.

Mesh	Microns (µm)	Millimeters	Inches	Common use
10	2000	2	0.0787	Very coarse screening, drainage protection
12	1680	1.68	0.0661	Coarse minerals, quarry scalping
14	1410	1.41	0.0555	Aggregate splitting, rough powders
16	1180	1.18	0.0465	Foundry sands, coarse recycling streams
18	1000	1	0.0394	Coarse aggregates, rough powders
20	850	0.85	0.0335	Coarse abrasives, drain screens
25	710	0.71	0.028	Mineral sizing
30	600	0.6	0.0236	Coffee grind rough, coarse filters
35	500	0.5	0.0197	General particle splitting
40	425	0.425	0.0167	Metal powders, coarse ceramics
45	355	0.355	0.014	Intermediate milling
50	300	0.3	0.0118	Food powders, pigments
60	250	0.25	0.0098	Sugar, granular chemicals
70	212	0.212	0.0083	Intermediate filtration media
80	180	0.18	0.0071	Polishing powders, paints
90	177	0.177	0.00697	Intermediate pigments — nominal opening between 80 and 100 mesh rows
100	149	0.149	0.0059	Fine powders, laboratory sieving
120	125	0.125	0.0049	Fine ceramics, pharmaceuticals
140	106	0.106	0.0042	Toner-style powders
150	100	0.1	0.0039	Fine pigments, fillers
170	90	0.09	0.0035	Fine abrasives
200	74	0.074	0.0029	Powder coatings, metals
230	63	0.063	0.0025	Precision powders
250	61	0.061	0.0024	Fine filtration cakes
270	53	0.053	0.0021	Ultra-fine ceramics
300	50	0.05	0.002	Fine toner / pigments
325	44	0.044	0.0017	Paint extenders, fillers
400	37	0.037	0.0015	Ultra-fine polishing
500	25	0.025	0.001	Fine pigments / polishing fines
600	18	0.018	0.000709	Ultra-fine nylon/stainless specialty cloth — VERY approximate opening; verify with microscopy & supplier docs
800	13	0.013	0.000512	Laboratory polishing cloth — nominal openings diverge wildly by weave; treat as indicative only
1000	11	0.011	0.000433	Near-limit woven cloth — cite ISO 9044-style inspections where mandated; handbook values conflict

Full table stays in HTML for indexing — filtering only hides rows on screen.