Industrial sieve reference toolkit

Mesh to micron conversions engineers actually use

Pick a mesh count or micron target, compare neighboring sieves, and export the chart when procurement asks for datasheets.

Quick picks

Approx. opening
149 µm
Millimeters
0.149
Inches
0.0059
Nearest standard sieve row
100 (100 mesh)

Adjacent mesh sizes

  • 90 · 177 µm
  • 120 · 125 µm

Always confirm mission-critical filtration or particle specs against manufacturer datasheets.

Tools & references

Jump straight into calculators, charts, or standard terminology — everything stays statically rendered for SEO.

Popular mesh conversions

Bookmark these programmatic answers for RFQs involving 40–325 mesh powders.

How mesh relates to microns

Mesh counts openings per inch along both axes on woven wire cloth — it does not directly equal particle diameter. Manufacturers publish approximate micron openings so labs can correlate sieve stacks with particle analyzers.

Where teams rely on mesh charts

  • Powder metallurgy & ceramics — specifying reclaim fines.
  • Wet/dry sieve QA — translating stack levels for QA docs.
  • Process filtration — sizing woven screens.
  • Abrasives — aligning blast media catalogs.
  • Surface finishing — correlating polishing steps.

FAQ

When should I trust laboratory measurements?
Whenever tolerances are tight — automated microscopy or laser diffraction beats handbook lookups.
Does Tyler mesh match ASTM?
Often close but not identical — confirm against the supplier chart cited on your PO.
Why publish CSV?
Procurement workflows still live in spreadsheets — CSV keeps conversions portable.
Can microns convert directly from formula?
Rough shortcuts exist but variance is high — standardized tables remain safer.
Do higher mesh numbers mean finer powder?
Yes — higher mesh counts correspond to smaller openings.
Canonical URL for structured data tooling: https://meshtomicron.org/